Medicare Enrolled

Dr. Robin Caldwell, MD

Family Medicine · Lynden, WA
Practice pattern: Mixed Practice — Diverse clinical practice across multiple procedure types
1610 GROVER ST, Lynden, WA 98264
3603541333
Registered in NPPES since 2006
NPI: 1881634087 verify on NPPES ↗
High
DATA COVERAGE
Data in 3 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Dr. Caldwell from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Caldwell

Dr. Robin Caldwell is a family medicine specialist in Lynden, WA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Caldwell performed 2,832 Medicare services in 2023. These records do not provide a deduplicated patient total.

The Data Coverage level for Dr. Caldwell is High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.

✓ 20 years of NPI registration ▲ Top 2% volume in WA

Medicare Practice Summary — 2023

Medicare Utilization ↗
2,832
Medicare services
Top 2% in WA for family medicine
Not available
Unique patients (not deduplicated)
$8
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

Top procedures by volume

Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.

Procedure Volume Avg. paid Avg. submitted
Blood draw (venipuncture)
Insertion of a needle into a vein to collect a blood sample.
528 $6 $6
Prothrombin time test (blood clotting)
A laboratory test that measures how long it takes for blood to clot. This procedure evaluates the body's coagulation process.
525 $4 $12
Comprehensive metabolic blood panel
A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers.
296 $10 $32
Hemoglobin A1c test (diabetes monitoring)
A blood test that measures your average blood sugar levels over the past two to three months.
245 $9 $30
Lipid panel (cholesterol and triglycerides)
A blood test that measures cholesterol and triglyceride levels.
244 $13 $40
Thyroid stimulating hormone (TSH) test
A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function.
146 $16 $51
Complete blood count (CBC) with differential
An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells.
120 $8 $24
Complete blood count (CBC), automated
An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood.
115 $6 $20
Basic metabolic blood panel
A blood test that measures a group of basic chemicals, including total calcium levels.
100 $8 $26
Urine microalbumin test (kidney screening)
A laboratory test that measures the amount of microalbumin, a small protein, in a urine sample. This test is used to detect early signs of kidney damage.
62 $6 $18
Creatinine test (kidney function)
A blood test that measures the amount of creatinine to assess kidney function or detect muscle injury.
62 $5 $16
Vitamin B-12 level test
A blood test that measures the amount of vitamin B-12 in your body.
57 $15 $46
C-reactive protein test (inflammation marker)
A blood test that measures the level of C-reactive protein to detect the presence of infection or inflammation in the body.
54 $5 $16
Urine culture, bacterial colony count
A laboratory test that measures the number of bacteria growing in a urine sample to help identify infections.
52 $8 $25
Bacterial culture, aerobic
A laboratory test that grows and identifies bacteria capable of surviving in oxygen. The results help determine the presence of specific aerobic microorganisms.
31 $8 $25
Antibiotic sensitivity test
A laboratory test that determines which antibiotics, antifungals, or antivirals are effective against a specific microorganism using microdilution or agar dilution methods.
30 $8 $26
Urine culture, bacterial identification
A laboratory test that grows and identifies bacteria from a urine sample to detect infections.
25 $8 $25
Urinalysis with microscopic exam
A urine test performed manually that includes examining the sample under a microscope to check for abnormalities.
22 $3 $10
PSA test (prostate cancer screening) 21 $18 $56
Iron level test 18 $6 $20
Automated urinalysis
An automated laboratory test performed on a urine sample to analyze its chemical and physical properties. The procedure uses machinery to detect various substances and cells within the urine.
15 $2 $7
Ferritin level test (iron stores)
A blood test that measures the level of ferritin, a protein that stores iron in the body.
15 $13 $42
Free thyroxine (T4) test
A blood test that measures the level of free thyroxine, a thyroid hormone, in the bloodstream.
13 $9 $28
Sed rate test (inflammation marker)
This automated test measures how quickly red blood cells settle in a tube to detect inflammation in the body.
13 $3 $8
Magnesium level test
A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess.
12 $7 $21
PSA test (prostate cancer screening)
A blood test that measures the level of prostate-specific antigen to screen for prostate cancer.
11 $19 $56
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.
Looking for a family medicine specialist in Lynden?
Compare family medicine physicians in the Lynden area by procedure volume, costs, and industry payment transparency.
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Geographic Context

Family medicine physicians in nearby ZIP areas
184
County median income
$80,989
Nearest hospital to ZIP centroid (approximate)
ST JOSEPH HOSPITAL
13.5 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments — No payments N/A
Disciplinary History — Not included N/A

This provider has data in 3 of 4 available federal datasets, with a Data Coverage level of High. This reflects how much public data is available about a provider. How we calculate this →

Summary

Dr. Caldwell is a mixed practice specialist, with above-average Medicare volume (top 2% in WA), with 20 years of NPI registration.

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Dr. Caldwell experienced with blood draw (venipuncture)?
Based on Medicare claims data, Dr. Caldwell performed 528 blood draw (venipuncture) services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
How do Dr. Caldwell's costs compare to other family medicine physicians in Lynden?
Dr. Caldwell's average Medicare payment per service is $8. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently High for Dr. Caldwell) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: NPPES ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.

This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →