Mark Raphael, DO
NPI 1922428382 · Gastroenterology Physician · Saginaw, MI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Raphael, DO is a Gastroenterology Physician provider in Saginaw, MI (NPI 1922428382).
Provider details
- NPI number
- 1922428382
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 5101020932 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
685 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) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 138 | $78 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 107 | $125 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 86 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 82 | $75 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 61 | $235 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 282 | 137 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 178 | 174 |
| Pantoprazole Sodium | 135 | 52 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 102 | 100 |
| Linaclotidebrand: Linzess | 93 | 26 |
| Sucralfate | 70 | 36 |
| Famotidine | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$589 across 32 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
Additional practice locations (1)
- 28050 Grand River AveDepartment of Medical EducationFarmington Hills, MI 48336-5919Phone: (248) 888-2515Fax: (248) 471-8837
Registry dates
- Enumerated
- 2014-04-23
- Last updated
- 2021-03-26
- Certified
- 2021-03-26
Frequently asked questions
- What is Mark Raphael's NPI number?
- Mark Raphael's National Provider Identifier (NPI) is 1922428382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Raphael's specialty?
- Mark Raphael is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Raphael located?
- Mark Raphael's practice location on file with NPPES is 900 Cooper Ave Ste 4300, Saginaw, MI 48602-5182.
- What is Mark Raphael's phone number?
- The practice phone number listed in the NPPES registry for Mark Raphael is (989) 583-7460.
- Does Mark Raphael accept Medicare?
- Mark Raphael is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Raphael's NPI active?
- Yes — Mark Raphael's NPI (1922428382) is active in the NPPES registry as of the last update on 2021-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.