Maria Byron, MD
NPI 1295024016 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Byron, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1295024016).
Provider details
- NPI number
- 1295024016
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- 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 tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
391 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) |
|---|---|---|
| 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 | 146 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 86 | $109 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 62 | $162 |
| 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 | 55 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 149 | 47 |
| Amlodipine Besylate | 86 | 28 |
| Levothyroxine Sodium | 59 | 14 |
| Lisinopril | 54 | 14 |
| Losartan Potassium | 51 | 17 |
| Hydrochlorothiazide | 44 | 12 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-01
- Last updated
- 2019-08-07
Frequently asked questions
- What is Maria Byron's NPI number?
- Maria Byron's National Provider Identifier (NPI) is 1295024016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Byron's specialty?
- Maria Byron is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Byron located?
- Maria Byron's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-0120.
- What is Maria Byron's phone number?
- The practice phone number listed in the NPPES registry for Maria Byron is (415) 476-5389.
- Does Maria Byron accept Medicare?
- Maria Byron is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Byron's NPI active?
- Yes — Maria Byron's NPI (1295024016) is active in the NPPES registry as of the last update on 2019-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.