Dr. Megan Nakashima, MD
What this data tells you about Dr. Nakashima
Dr. Megan Nakashima is a clinical pathology/laboratory medicine physician in Cleveland, OH, with 19 years of NPI registration. Based on federal Medicare data, Dr. Nakashima performed 2,811 Medicare services across 2,275 unique beneficiaries.
Between the years covered by Open Payments, Dr. Nakashima received a total of $3,950 from 6 pharmaceutical and/or device companies across 10 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in clinical pathology/laboratory medicine physician. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Nakashima is Very 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.
Medicare Practice Summary
Medicare Utilization ↗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 |
|---|---|---|---|
| Immunologic analysis of body fluid with concentration A laboratory test that uses immunologic techniques to analyze a body fluid sample after it has been concentrated. |
669 | $13 | $80 |
| Tissue pathology examination, moderate complexity A laboratory test where a pathologist examines tissue samples under a microscope to analyze cellular details. This intermediate complexity procedure involves specialized techniques to identify abnormalities in the tissue. |
184 | $28 | $274 |
| Tissue staining for diagnosis, additional An extra laboratory procedure to apply special stains to tissue slides for detailed examination. |
165 | $21 | $188 |
| Blood smear interpretation with written report A physician examines a blood sample slide under a microscope to analyze blood cells. The doctor provides a written report of their findings. |
149 | $18 | $62 |
| Special tissue stain and interpretation A laboratory test using special stains to examine tissue samples, including the pathologist's review and written report of the findings. |
125 | $9 | $74 |
| Coagulation function screening test A blood test that evaluates how well your blood clots. The results are interpreted and reported by a medical professional. |
120 | $25 | $88 |
| Platelet aggregation function test A blood test that measures how well platelets clump together. It evaluates the function of platelets in the blood clotting process. |
118 | $12 | $44 |
| Bone marrow smear interpretation A laboratory review of a bone marrow sample slide to examine cell structure and identify abnormalities. |
99 | $36 | $360 |
| Tissue preparation to remove calcium A laboratory procedure that removes calcium from a tissue sample to prepare it for microscopic examination. |
97 | $9 | $78 |
| Coagulation or fibrinolysis function test A blood test that measures how well your blood clots or dissolves clots. The service includes a professional interpretation of the results and a written report. |
92 | $14 | $231 |
| Flow cytometry, 16 or more markers A laboratory test that uses lasers to analyze cells or DNA using 16 or more different markers. This technique helps identify and characterize specific cell types based on their physical and chemical properties. |
87 | $63 | $630 |
| Crystal identification from tissue or body fluid Laboratory analysis to identify crystals found in tissue samples or body fluids. |
86 | $12 | $88 |
| Serum protein measurement A blood test that measures the total amount of protein in the serum. It helps evaluate overall health and nutritional status. |
83 | $13 | $18 |
| 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. |
77 | $8 | $32 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
74 | $10 | $99 |
| Tissue staining for diagnosis, initial A laboratory test where special stains are applied to tissue slides to help examine the cells and identify specific characteristics. |
73 | $26 | $188 |
| Lipid panel (cholesterol and triglycerides) A blood test that measures cholesterol and triglyceride levels. |
67 | $13 | $58 |
| Manual microscopic genetic analysis of tumor A laboratory test that uses a microscope to manually examine tumor tissue for genetic changes. |
58 | $31 | $237 |
| Flow cytometry DNA or cell analysis, 9-15 markers A laboratory test that uses a laser to analyze cells or DNA using 9 to 15 different markers. This technique helps identify and characterize specific cell types or genetic material. |
51 | $46 | $441 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
45 | $8 | $14 |
| Thyroid stimulating hormone (TSH) test A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function. |
33 | $16 | $62 |
| Basic metabolic blood panel A blood test that measures a group of basic chemicals, including total calcium levels. |
32 | $8 | $59 |
| Kidney function blood test panel | 28 | $9 | $37 |
| Protein measurement in body fluid A laboratory test that measures the amount of protein present in a sample of body fluid. |
27 | $12 | $28 |
| Serum immunofixation test A laboratory test that analyzes a blood serum sample to identify specific abnormal proteins. The procedure uses an immunologic technique to detect and characterize these proteins. |
27 | $13 | $40 |
| Urinalysis with microscopic exam A urine test performed manually that includes examining the sample under a microscope to check for abnormalities. |
25 | $3 | $26 |
| Magnesium level test A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess. |
25 | $7 | $16 |
| 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. |
25 | $6 | $32 |
| Surgical pathology consultation on referred slides A pathologist reviews and reports on tissue slides that were prepared at another facility. This service provides a second opinion or expert analysis of the existing samples. |
17 | $63 | $212 |
| Flow cytometry, 2-8 markers A laboratory test that uses lasers to analyze cells or DNA using 2 to 8 specific markers. This technique helps identify and characterize cells based on their physical and chemical properties. |
16 | $25 | $290 |
| Vitamin B-12 level test A blood test that measures the amount of vitamin B-12 in your body. |
14 | $15 | $62 |
| Uric acid level test A blood test that measures the level of uric acid in your body. Uric acid is a waste product formed when the body breaks down purines. |
12 | $4 | $18 |
| 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. |
11 | $2 | $25 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2019-2024) ›
Associated products mentioned in payments ›
The majority of payments (64%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in clinical pathology/laboratory medicine physician and does not inherently indicate bias, but patients may wish to be aware.
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Nakashima is a mixed practice specialist, with above-average Medicare volume (top 27% in OH), with speaking/promotional industry engagement in the top 12% of OH peers, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, 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.
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