Michael Martyn, M.D.
NPI 1699113407 · Advanced Heart Failure and Transplant Cardiology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Martyn, M.D. is a Advanced Heart Failure and Transplant Cardiology Physician provider in San Francisco, CA (NPI 1699113407).
Provider details
- NPI number
- 1699113407
- Entity type
- Individual
- Primary specialty
- Advanced Heart Failure and Transplant Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
296 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 87 | $137 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 70 | $113 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 68 | $172 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 45 | $170 |
| 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 | 15 | $16 |
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 |
|---|---|---|
| Spironolactone | 262 | 108 |
| Empagliflozinbrand: Jardiance | 188 | 74 |
| Metoprolol Succinate | 182 | 79 |
| Sacubitril/Valsartanbrand: Entresto | 128 | 59 |
| Tafamidisbrand: Vyndamax | 109 | 16 |
| Carvedilol | 87 | 34 |
| Furosemide | 70 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$38,171 across 21 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
- 2013-06-13
- Last updated
- 2022-10-05
- Certified
- 2022-10-05
Frequently asked questions
- What is Michael Martyn's NPI number?
- Michael Martyn's National Provider Identifier (NPI) is 1699113407, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Martyn's specialty?
- Michael Martyn is listed in the NPPES registry with a primary specialty of Advanced Heart Failure and Transplant Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Martyn located?
- Michael Martyn's practice location on file with NPPES is Ucsf Department of Anesthesia, San Francisco, CA 94143-0001.
- What is Michael Martyn's phone number?
- The practice phone number listed in the NPPES registry for Michael Martyn is (415) 514-3781.
- Does Michael Martyn accept Medicare?
- Michael Martyn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Martyn's NPI active?
- Yes — Michael Martyn's NPI (1699113407) is active in the NPPES registry as of the last update on 2022-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.