NPPES file of Aug 9, 2026

David Christopher Ries, MD

Internal Medicine Physician · San Diego, CA

David Christopher Ries, MD is an internal medicine physician with a practice address in San Diego, California, and NPI 1376705483, issued on Jun 30, 2008. Check the license (California A127233, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1376705483
Name
David Christopher Ries
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A127233 CA
35095119 OH
Self-reported in NPPES; status is on the state search
Practice location
200 W Arbor Dr # 8485, San Diego, CA 92103
Phone
(619) 471-9186
Enumerated
Jun 30, 2008
Record last updated
Sep 15, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(619) 543-8255
Medicare enrollment
Enrolled (PECOS I20141222002593); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2008
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 200 W Arbor Dr # 8485

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

  1. Robert El-Kareh, M.D.Hospitalist Physician1497944656

Verify David Christopher Ries in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A127233
    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

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97% fewer Medicare Part D claims than the average internal medicine physician in 2024

89 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. David Ries89
  2. Specialty average3,176

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.

Bills Medicare through one group practice

  1. Regents OF The University OF CaliforniaSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David Christopher Ries among 17,696 internal medicine physician records in California

David Christopher Ries, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.

  • NPI issued2008 · 56% of these records are older, 40% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2008 · median 2004 among the 11,065 with a school on file
  • Record last updated2015 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

961 internal medicine physician records list a practice address in San Diego

They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Hamid Amjadi, DOSan Diego, CA 921031700861333
  2. Donald Brandon, M.D.San Diego, CA 921031740272467
  3. Daniel Bressler, M.D.San Diego, CA 921031700887726
  4. Eric Dahms, M.D.San Diego, CA 921031306808464
  5. Janette Gray, M.D.San Diego, CA 921031295721876
  6. San Hsieh, MDSan Diego, CA 921031851388847
  7. Arthur Kingsbury, M.D.San Diego, CA 921031144216284
  8. Timothy O'Neill, M.D.San Diego, CA 921031831172295

Common questions

What is David Christopher Ries, MD's NPI number?

David Christopher Ries, MD's National Provider Identifier (NPI) is 1376705483, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.

Where is David Christopher Ries, MD located?

The NPPES record lists a practice address at 200 W Arbor Dr # 8485, San Diego, CA, 92103. Phone: (619) 471-9186. Providers update this record themselves, so call before visiting.

How can I verify David Christopher Ries, MD's license?

NPPES lists California license number A127233, 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 David Christopher Ries, MD prescribe under Medicare Part D?

In 2024, David Christopher Ries, MD had 89 Medicare Part D claims for 34 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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 only as counts) 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 9, 2026.