Graham Glass, M.D.
NPI 1881671907 · Neurology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Graham Glass, M.D. is a Neurology Physician provider in San Francisco, CA (NPI 1881671907).
Provider details
- NPI number
- 1881671907
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A94613 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
751 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) |
|---|---|---|
| Sleep Study Including Heart Rate, Breathing, and Sleep Time95800 | 228 | $132 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 226 | $163 |
| Sleep Study in Sleep Lab (6 Years Or Older)95810 | 79 | $575 |
| Needle Measurement of Electrical Activity in Muscle With Injection of Chemical for Paralysis of Nerve Muscle95874 | 53 | $89 |
| Sleep Study Including Heart Rate, Breathing, Airflow, and Effort95806 | 47 | $60 |
| Injection of Chemical for Paralysis of Nerve Muscles on Arm Or Leg, 1-4 Muscles, First Extremity64642 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 332 | 88 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 123 | 31 |
| Escitalopram Oxalate | 120 | 23 |
| Carbidopa/Levodopabrand: Rytary | 106 | 16 |
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 86 | 23 |
| Amantadine Hclbrand: Amantadine | 49 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$119 across 2 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
- 2005-12-29
- Last updated
- 2012-02-22
Frequently asked questions
- What is Graham Glass's NPI number?
- Graham Glass's National Provider Identifier (NPI) is 1881671907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Graham Glass's specialty?
- Graham Glass is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Graham Glass located?
- Graham Glass's practice location on file with NPPES is 3739 Balboa St, San Francisco, CA 94121-2605.
- What is Graham Glass's phone number?
- The practice phone number listed in the NPPES registry for Graham Glass is (415) 221-4810.
- Does Graham Glass accept Medicare?
- Graham Glass is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Graham Glass's NPI active?
- Yes — Graham Glass's NPI (1881671907) is active in the NPPES registry as of the last update on 2012-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.