Gregory Ku, MD PHD
NPI 1033241658 · Endocrinology, Diabetes & Metabolism Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Ku, MD PHD is a Endocrinology, Diabetes & Metabolism Physician provider in San Francisco, CA (NPI 1033241658).
Provider details
- NPI number
- 1033241658
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A95072 (CA)
Specialties & taxonomies
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
254 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 | 90 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 55 | $109 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 37 | $162 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 33 | $39 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $74 |
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 |
|---|---|---|
| Semaglutidebrand: Ozempic | 92 | 20 |
| Metformin Hclbrand: Metformin Hcl Er | 38 | — |
| Empagliflozinbrand: Jardiance | 35 | 12 |
| Levothyroxine Sodium | 35 | — |
| Rosuvastatin Calcium | 35 | — |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-09
- Last updated
- 2008-12-18
Frequently asked questions
- What is Gregory Ku's NPI number?
- Gregory Ku's National Provider Identifier (NPI) is 1033241658, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Ku's specialty?
- Gregory Ku is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Ku located?
- Gregory Ku's practice location on file with NPPES is 513 Parnassus Ave Box 0534, San Francisco, CA 94143-0001.
- What is Gregory Ku's phone number?
- The practice phone number listed in the NPPES registry for Gregory Ku is (415) 476-1114.
- Does Gregory Ku accept Medicare?
- Gregory Ku is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Ku's NPI active?
- Yes — Gregory Ku's NPI (1033241658) is active in the NPPES registry as of the last update on 2008-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.