Eric Detlef Frey, M.D.
Gastroenterology Physician · Ridgecrest, CA
Eric Detlef Frey, M.D. is a gastroenterology physician with a practice address in Ridgecrest, California, and NPI 1891091682, issued on Jan 27, 2011. Check the license (California A116953, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eric Detlef Frey
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A116953 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1041 N China Lake Blvd Ste B, Ridgecrest, CA 93555
- Phone
- (760) 446-0121
- Enumerated
- Jan 27, 2011
- Record last updated
- May 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (760) 446-0734
- Medicare enrollment
- Enrolled (PECOS I20240210000425); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Verify Eric Detlef Frey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A116953Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average gastroenterology physician in 2024
1,161 Medicare Part D claims for 573 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Omeprazole184 claims
- Famotidine155 claims
- Gavilyte-G150 claims
- Peg-3350 And Electrolytes91 claims
- Pantoprazole Sodium80 claims
- Dicyclomine Hcl30 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.
Industry payments in 2024: $21.84
1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Yuma Regional Medical CenterYuma, AZ · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Eric Detlef Frey among 2,140 gastroenterology physician records in California
Eric Detlef Frey, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 74% of them.
- NPI issued2011 · 74% of these records are older, 23% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2007 · median 2002 among the 1,538 with a school on file
- Record last updated2021 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Ridgecrest → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Maurice Dusol, M.D.Ridgecrest, CA 935551326034273
- James Hwang, MDRidgecrest, CA 935551659803146
- Ali Syed, M.D.Ridgecrest, CA 935551023436037
- Prithviraj Dharmaraja, M.D.Lancaster, CA 935341932111424
- William Go, M.D.Lancaster, CA 935341992972715
- Taha Hamoui, MDLancaster, CA 935341265521520
- Sethu Madhavan, MDLancaster, CA 935341194732230
- Ramanbhai Patel, M.D.Lancaster, CA 935341720006992
Common questions
What is Eric Detlef Frey, M.D.'s NPI number?
Eric Detlef Frey, M.D.'s National Provider Identifier (NPI) is 1891091682, issued on Jan 27, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Eric Detlef Frey, M.D. located?
The NPPES record lists a practice address at 1041 N China Lake Blvd Ste B, Ridgecrest, CA, 93555. Phone: (760) 446-0121. Providers update this record themselves, so call before visiting.
How can I verify Eric Detlef Frey, M.D.'s license?
NPPES lists California license number A116953, 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 Eric Detlef Frey, M.D. prescribe under Medicare Part D?
In 2024, Eric Detlef Frey, M.D. had 1,161 Medicare Part D claims for 573 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.