Registry data as of Aug 27, 2026

Joseph Cartwright, MD, MED

Internal Medicine Physician · Oakland, CA

Joseph Cartwright, MD, MED is an internal medicine physician with a practice address in Oakland, California, and NPI 1356795488, issued on Apr 14, 2016. Check the license (California A152169, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1356795488
Name
Joseph Cartwright
Credential
MD, MED
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A152169 CA
Self-reported in NPPES; status is on the state search
Practice location
6955 Foothill Blvd Ste 200, Oakland, CA 94605
Phone
(510) 567-5700
Enumerated
Apr 14, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 6955 Foothill Blvd Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Evangelina Camarena, LCSWClinical Social Worker1306242037
  2. Claire Camaya, M.D.Internal Medicine Physician1508210592
  3. Susie Coleman, RNAmbulatory Women's Health Care Registered Nurse1134687759
  4. Gaudelia Ebalo-Reyes, M.D.Specialist1639362858
  5. Melissa EelkemaInternal Medicine Physician1992168058
  6. Brianna Ennis, MDPediatrics Physician1013386630

Verify Joseph Cartwright in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A152169
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

13% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,760 Medicare Part D claims for 288 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 186 claims were for opioids.

  1. Joseph Cartwright2,760
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium148 claims
  2. Hydrocodone-Acetaminophen123 claims
  3. Amlodipine Besylate108 claims
  4. Omeprazole86 claims
  5. Gabapentin79 claims
  6. Metformin Hcl75 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's Medicare quality score for 2023: 91 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.1
  2. Costout of 100 · 30%64.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Alameda Health SystemOakland, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

432 internal medicine physician records list a Oakland practice address

They are 432 of the 18,558 NPPES records with a Oakland practice address, and 17,696 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Joseph Cartwright, MD, MED's NPI number?

Joseph Cartwright, MD, MED's National Provider Identifier (NPI) is 1356795488, issued on Apr 14, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Cartwright, MD, MED located?

The NPPES record lists a practice address at 6955 Foothill Blvd Ste 200, Oakland, CA, 94605. Phone: (510) 567-5700. Providers update this record themselves, so call before visiting.

How can I verify Joseph Cartwright, MD, MED's license?

NPPES lists California license number A152169, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joseph Cartwright, MD, MED prescribe under Medicare Part D?

In 2024, Joseph Cartwright, MD, MED had 2,760 Medicare Part D claims for 288 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Joseph Cartwright, MD, MED's Medicare quality score?

The 2023 MIPS final score is 91 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments, the HHS-OIG exclusion list) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.