Dr. Henry Parkman, MD
What this data tells you about Dr. Parkman
Dr. Henry Parkman is a gastroenterology specialist in Philadelphia, PA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Parkman performed 736 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Parkman received a total of $43,759 from 11 pharmaceutical and/or device companies across 25 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Parkman 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 — 2023
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 |
|---|---|---|---|
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
177 | $76 | $205 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
152 | $51 | $130 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
90 | $103 | $322 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
47 | $66 | $140 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
42 | $109 | $305 |
| Esophageal motility study A test that evaluates the movement and function of the esophagus. |
40 | $48 | $210 |
| Upper GI endoscopy with biopsy A procedure to collect tissue samples from the esophagus, stomach, or upper small intestine using a flexible tube with a camera. The samples are examined to check for abnormalities. |
39 | $79 | $547 |
| Hydrogen breath test A test that measures hydrogen levels in your breath to help evaluate stomach and bowel symptoms. |
27 | $7 | $45 |
| Electronic analysis of implanted gastric neurostimulator This procedure involves the electronic analysis and programming of an implanted gastric neurostimulator generator. |
25 | $28 | $120 |
| Esophageal function monitoring via nasal tube This procedure involves monitoring and recording the function of the esophagus using a tube inserted through the nose. |
21 | $38 | $170 |
| Rectal sensitivity and function study A test to evaluate the sensitivity and functional performance of the rectum. |
21 | $66 | $300 |
| New patient office visit, complex (60-74 min) | 16 | $151 | $445 |
| Electronic analysis of implanted gastric neurostimulator An electronic check of the implanted gastric neurostimulator generator to verify its function and settings. |
15 | $14 | $75 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
13 | $59 | $225 |
| Endoscopic injection of esophagus, stomach, or upper small bowel A procedure where a flexible endoscope is used to deliver an injection into the esophagus, stomach, or upper small intestine. |
11 | $22 | $470 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Geographic Context
0.0 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 | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | 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. Parkman is a clinical cardiology specialist, with above-average Medicare volume (top 27% in PA), 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. Parkman experienced with office visit, established patient (30-39 min)?
Does Dr. Parkman receive payments from pharmaceutical companies?
How do Dr. Parkman's costs compare to other gastroenterologists in Philadelphia?
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This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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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