Mark Terrelonge, MD, MPH
NPI 1366837734 · Neurology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Terrelonge, MD, MPH is a Neurology Physician provider in San Francisco, CA (NPI 1366837734).
Provider details
- NPI number
- 1366837734
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Male
- Sole proprietor
- Yes
- License
- A146489 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
11 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
450 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 | 117 | $19 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 72 | $161 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 65 | $51 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 46 | $108 |
| 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 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pregabalin | 49 | 13 |
| Gabapentin | 38 | 14 |
| Baclofen | 30 | 12 |
| Duloxetine Hcl | 29 | — |
| Dextromethorphan Hbr/Quinidinebrand: Nuedexta | 21 | — |
| Prednisone | 21 | — |
| Edaravonebrand: Radicava Ors | 19 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-02
- Last updated
- 2020-05-04
- Certified
- 2020-05-04
Frequently asked questions
- What is Mark Terrelonge's NPI number?
- Mark Terrelonge's National Provider Identifier (NPI) is 1366837734, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Terrelonge's specialty?
- Mark Terrelonge is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Terrelonge located?
- Mark Terrelonge's practice location on file with NPPES is 505 Parnassus Ave, San Francisco, CA 94143-2204.
- What is Mark Terrelonge's phone number?
- The practice phone number listed in the NPPES registry for Mark Terrelonge is (415) 476-3891.
- Does Mark Terrelonge accept Medicare?
- Mark Terrelonge is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Terrelonge's NPI active?
- Yes — Mark Terrelonge's NPI (1366837734) is active in the NPPES registry as of the last update on 2020-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.