Joseph Cartwright, MD, MED
NPI 1356795488 · Internal Medicine Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Cartwright, MD, MED is a Internal Medicine Physician provider in Oakland, CA (NPI 1356795488).
Provider details
- NPI number
- 1356795488
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MED
- Sex
- Male
- Sole proprietor
- No
- License
- A152169 (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
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
14 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) |
|---|---|---|
| Screening Mammography77067 | 14 | $117 |
Typical Medicare-allowed amounts for these services range $117–$117 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 148 | 59 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 123 | 22 |
| Amlodipine Besylate | 108 | 44 |
| Omeprazole | 86 | 31 |
| Gabapentin | 79 | 32 |
| Metformin Hcl | 75 | 27 |
Practice location
Mailing address
Additional practice locations (1)
- 505 Parnassus AveSan Francisco, CA 94143-2204Phone: (503) 508-0888
Registry dates
- Enumerated
- 2016-04-14
- Last updated
- 2019-08-19
Frequently asked questions
- What is Joseph Cartwright's NPI number?
- Joseph Cartwright's National Provider Identifier (NPI) is 1356795488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Cartwright's specialty?
- Joseph Cartwright is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Cartwright located?
- Joseph Cartwright's practice location on file with NPPES is 6955 Foothill Blvd Ste 200, Oakland, CA 94605-2426.
- What is Joseph Cartwright's phone number?
- The practice phone number listed in the NPPES registry for Joseph Cartwright is (510) 567-5700.
- Does Joseph Cartwright accept Medicare?
- Joseph Cartwright is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Cartwright's NPI active?
- Yes — Joseph Cartwright's NPI (1356795488) is active in the NPPES registry as of the last update on 2019-08-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.