Mark Huffman, MD
NPI 1609965920 · Cardiovascular Disease Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Huffman, MD is a Cardiovascular Disease Physician provider in Saint Louis, MO (NPI 1609965920).
Provider details
- NPI number
- 1609965920
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2022000559 (MO)
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 tenure28% of score
19 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
57 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 33 | $123 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 13 | $14 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 11 | $161 |
Typical Medicare-allowed amounts for these services range $14–$161 (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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 67 | 21 |
| Atorvastatin Calcium | 53 | 18 |
| Evolocumabbrand: Repatha Sureclick | 38 | — |
| Metoprolol Succinate | 25 | — |
| Rosuvastatin Calcium | 25 | — |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 23 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2025-04-17
Frequently asked questions
- What is Mark Huffman's NPI number?
- Mark Huffman's National Provider Identifier (NPI) is 1609965920, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Huffman's specialty?
- Mark Huffman is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Huffman located?
- Mark Huffman's practice location on file with NPPES is 4921 Parkview Pl, Saint Louis, MO 63110-1032.
- What is Mark Huffman's phone number?
- The practice phone number listed in the NPPES registry for Mark Huffman is (314) 362-1291.
- Does Mark Huffman accept Medicare?
- Mark Huffman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Huffman's NPI active?
- Yes — Mark Huffman's NPI (1609965920) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.