Marc Gutin, MD
NPI 1861423709 · Endocrinology, Diabetes & Metabolism Physician · San Dimas, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Gutin, MD is a Endocrinology, Diabetes & Metabolism Physician provider in San Dimas, CA (NPI 1861423709).
Provider details
- NPI number
- 1861423709
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G48699 (CA)
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
2,212 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) |
|---|---|---|
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 697 | $3 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 668 | $98 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 363 | $36 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 300 | $138 |
| Hemoglobin A1c Level83036 | 121 | $10 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 131 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 648 | 141 |
| Metformin Hcl | 628 | 190 |
| Levothyroxine Sodium | 558 | 167 |
| Losartan Potassium | 266 | 76 |
| Atorvastatin Calcium | 241 | 78 |
| Empagliflozinbrand: Jardiance | 231 | 81 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,527 across 200 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
- 2006-07-06
- Last updated
- 2024-11-12
- Certified
- 2024-11-12
Frequently asked questions
- What is Marc Gutin's NPI number?
- Marc Gutin's National Provider Identifier (NPI) is 1861423709, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Gutin's specialty?
- Marc Gutin is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Gutin located?
- Marc Gutin's practice location on file with NPPES is 615 E Foothill Blvd Ste C, San Dimas, CA 91773-1255.
- What is Marc Gutin's phone number?
- The practice phone number listed in the NPPES registry for Marc Gutin is (626) 335-8094.
- Does Marc Gutin accept Medicare?
- Marc Gutin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Gutin's NPI active?
- Yes — Marc Gutin's NPI (1861423709) is active in the NPPES registry as of the last update on 2024-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.