NPPES file of Aug 9, 2026

Terri Lea Riddiford, MD

Family Medicine Physician · San Diego, CA

Terri Lea Riddiford, MD is a family medicine physician with a practice address in San Diego, California, and NPI 1649279498, issued on Jul 14, 2005. Check the license 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649279498
Name
Terri Lea Riddiford
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
35064414 OH
Self-reported in NPPES; status is on the state search
Practice location
13280 Evening Creek Dr S Ste 225, San Diego, CA 92128
Phone
(937) 396-2880
Enumerated
Jul 14, 2005
Record last updated
Jul 1, 2026
Fax
(937) 395-2205
Medicaid ID
0928401 OH
Medicare enrollment
Enrolled (PECOS I20040825000111); accepts Medicare assignment
Medical or professional school
Wright State University Boonshoft School Of Medicine, 1991
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 13280 Evening Creek Dr S Ste 225

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

  1. Andrea Higginbotham, CRNPAcute Care Nurse Practitioner1003140971
  2. Christine Ngwazini, DNPFamily Nurse Practitioner1831818640
  3. Gina Rigsbee, APRNFamily Nurse Practitioner1598387425

Verify Terri Lea Riddiford in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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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92% fewer Medicare Part D claims than the average family medicine physician in 2024

294 Medicare Part D claims for 16 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.

  1. Terri Riddiford294
  2. Specialty average3,544

Most prescribed

  1. Eliquis53 claims
  2. Levothyroxine Sodium52 claims
  3. Pravastatin Sodium52 claims
  4. Trimethoprim51 claims
  5. Estradiol25 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 MIPS final score for 2023 (Medicare payment program): 8.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score0.0
  2. Costout of 100 · 30%28.0
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Bills Medicare through one group practice

  1. Mdwatch Medical CorpPowell, OH

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

Terri Lea Riddiford among 17,133 family medicine physician records in California

Terri Lea Riddiford, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 94% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1991 · median 2005 among the 10,652 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

780 family medicine physician records list a practice address in San Diego

They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Michael Bowersox, M.D.San Diego, CA 921281285652818
  2. William Carley, M.D.San Diego, CA 921281063432631
  3. Francis Cummins, DOSan Diego, CA 921281508895202
  4. Margaret Drehobl, M.D.San Diego, CA 921281477655082
  5. Ellen Edwards, D.O.San Diego, CA 921281245332923
  6. Esther Kim, M.D.San Diego, CA 921281538265327
  7. Michael Lee, M.D.San Diego, CA 921281013114933
  8. Florian Limjoco, M.D.San Diego, CA 921281265544225

Common questions

What is Terri Lea Riddiford, MD's NPI number?

Terri Lea Riddiford, MD's National Provider Identifier (NPI) is 1649279498, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Terri Lea Riddiford, MD located?

The NPPES record lists a practice address at 13280 Evening Creek Dr S Ste 225, San Diego, CA, 92128. Phone: (937) 396-2880. Providers update this record themselves, so call before visiting.

How can I verify Terri Lea Riddiford, MD's license?

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 Terri Lea Riddiford, MD prescribe under Medicare Part D?

In 2024, Terri Lea Riddiford, MD had 294 Medicare Part D claims for 16 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Terri Lea Riddiford, MD's MIPS final score?

The 2023 MIPS final score is 8.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.