Marc Herschelman, D.O.
NPI 1538193339 · Gastroenterology Physician · Raleigh, NC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Herschelman, D.O. is a Gastroenterology Physician provider in Raleigh, NC (NPI 1538193339).
Provider details
- NPI number
- 1538193339
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2007-01714 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
556 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 294 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 85 | $112 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 53 | $221 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 45 | $107 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 36 | $84 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 162 | 157 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 159 | 157 |
| Omeprazole | 97 | 33 |
| Pantoprazole Sodium | 54 | 15 |
| Sucralfate | 45 | 19 |
| Esomeprazole Magnesium | 37 | — |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 32 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,235 across 70 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2012-08-14
Frequently asked questions
- What is Marc Herschelman's NPI number?
- Marc Herschelman's National Provider Identifier (NPI) is 1538193339, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Herschelman's specialty?
- Marc Herschelman is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Herschelman located?
- Marc Herschelman's practice location on file with NPPES is 3100 Blue Ridge Rd, Raleigh, NC 27612-8036.
- What is Marc Herschelman's phone number?
- The practice phone number listed in the NPPES registry for Marc Herschelman is (919) 781-7500.
- Does Marc Herschelman accept Medicare?
- Marc Herschelman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Herschelman's NPI active?
- Yes — Marc Herschelman's NPI (1538193339) is active in the NPPES registry as of the last update on 2012-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.