Gregory Daniels, M.D., PH.D.
NPI 1164480943 · Hematology & Oncology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Daniels, M.D., PH.D. is a Hematology & Oncology Physician provider in San Diego, CA (NPI 1164480943).
Provider details
- NPI number
- 1164480943
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A92515 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
953 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 | 513 | $148 |
| 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 | 186 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 115 | $191 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 50 | $185 |
| 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 40 | 15 |
| Hydrocortisone | 28 | — |
| Prednisone | 14 | — |
| Amlodipine Besylate | 13 | — |
| Lisinopril | 13 | — |
| Cabozantinib S-Malatebrand: Cabometyx | 12 | — |
| Lenvatinib Mesylatebrand: Lenvima | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$168 across 3 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
Additional practice locations (1)
- 3855 Health Sciences DrLa Jolla, CA 92093-1503Phone: (800) 926-8273Fax: (888) 539-8781
Registry dates
- Enumerated
- 2006-05-02
- Last updated
- 2025-11-13
- Certified
- 2025-11-13
Frequently asked questions
- What is Gregory Daniels's NPI number?
- Gregory Daniels's National Provider Identifier (NPI) is 1164480943, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Daniels's specialty?
- Gregory Daniels is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Daniels located?
- Gregory Daniels's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9000.
- What is Gregory Daniels's phone number?
- The practice phone number listed in the NPPES registry for Gregory Daniels is (800) 926-8273.
- Does Gregory Daniels accept Medicare?
- Gregory Daniels is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Daniels's NPI active?
- Yes — Gregory Daniels's NPI (1164480943) is active in the NPPES registry as of the last update on 2025-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.