Max Petersen, MD
NPI 1184112344 · Endocrinology, Diabetes & Metabolism Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Max Petersen, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Saint Louis, MO (NPI 1184112344).
Provider details
- NPI number
- 1184112344
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2020015426 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
98 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 43 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 24 | $123 |
| Hemoglobin A1c Level83036 | 18 | $10 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 13 | $16 |
Typical Medicare-allowed amounts for these services range $10–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 83 | 17 |
| Levothyroxine Sodium | 74 | 16 |
| Tirzepatidebrand: Mounjaro | 70 | 13 |
| Empagliflozinbrand: Jardiance | 54 | 16 |
| Pen Needle, Diabeticbrand: Ultra-Fine Nano Pen Needle | 37 | — |
| Dulaglutidebrand: Trulicity | 31 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-04-24
- Last updated
- 2025-05-02
- Certified
- 2025-05-02
Frequently asked questions
- What is Max Petersen's NPI number?
- Max Petersen's National Provider Identifier (NPI) is 1184112344, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Max Petersen's specialty?
- Max Petersen is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Max Petersen located?
- Max Petersen's practice location on file with NPPES is 4921 Parkview Pl, Saint Louis, MO 63110-1032.
- What is Max Petersen's phone number?
- The practice phone number listed in the NPPES registry for Max Petersen is (314) 362-3500.
- Does Max Petersen accept Medicare?
- Max Petersen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Max Petersen's NPI active?
- Yes — Max Petersen's NPI (1184112344) is active in the NPPES registry as of the last update on 2025-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.