Enrique Riddle, MD
Family Medicine Physician · Palo Alto, CA
Enrique Riddle, MD is a family medicine physician with a practice address in Palo Alto, California, and NPI 1083103188, issued on May 3, 2018. Check the license (California A175421, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Enrique Riddle
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A175421 CA
Self-reported in NPPES; status is on the state search - Practice location
- 795 EL Camino Real, Palo Alto, CA 94301
- Phone
- (650) 853-3355
- Enumerated
- May 3, 2018
- Record last updated
- Jun 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20220725001067); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 795 EL Camino Real
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Enrique Riddle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A175421Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family medicine physician in 2024
193 Medicare Part D claims for 154 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin25 claims
- Azithromycin18 claims
- Amoxicillin-Clavulanate Potass16 claims
- Paxlovid16 claims
- Albuterol Sulfate Hfa12 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.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationLos Altos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Enrique Riddle among 17,133 family medicine physician records in California
Enrique Riddle, 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 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2005 among the 10,652 with a school on file
- Record last updated2025 · 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).
85 family medicine physician records list a practice address in Palo Alto
They are 85 of the 7,617 NPPES records with a practice address in Palo Alto, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Palo Alto → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Eileen Byrne, MDPalo Alto, CA 943011124030341
- Manjushree Deshpande, M.D.Palo Alto, CA 943011588621668
- Jennifer Falk, MDPalo Alto, CA 943011245203116
- Elizabeth Finigan, MDPalo Alto, CA 943011780610048
- Steven Hansen, M.D.Palo Alto, CA 943011912910076
- Mary Hufty, M.D.Palo Alto, CA 943011053324145
- Steve Lane, MDPalo Alto, CA 943011831178250
- Richard Lee, MDPalo Alto, CA 943011285625236
Common questions
What is Enrique Riddle, MD's NPI number?
Enrique Riddle, MD's National Provider Identifier (NPI) is 1083103188, issued on May 3, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Enrique Riddle, MD located?
The NPPES record lists a practice address at 795 EL Camino Real, Palo Alto, CA, 94301. Phone: (650) 853-3355. Providers update this record themselves, so call before visiting.
How can I verify Enrique Riddle, MD's license?
NPPES lists California license number A175421, 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 Enrique Riddle, MD prescribe under Medicare Part D?
In 2024, Enrique Riddle, MD had 193 Medicare Part D claims for 154 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.