Loren Alexander Fefer, M.D.
Gastroenterology Physician · Rocklin, CA
Loren Alexander Fefer, M.D. is a gastroenterology physician with a practice address in Rocklin, California, and NPI 1063496503, issued on Nov 29, 2005. Check the license (California A045094, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Loren Alexander Fefer
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A045094 CA
Self-reported in NPPES; status is on the state search - Practice location
- 550 W Ranch View Dr Ste 2005, Rocklin, CA 95765
- Phone
- (916) 295-5700
- Enumerated
- Nov 29, 2005
- Record last updated
- Sep 22, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 00A450940 CA
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 550 W Ranch View Dr Ste 2005
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joyce Hyacinth Bunggay, NPNurse Practitioner1114411709
- Zyrene Louise Marsh, APRN-CNPFamily Nurse Practitioner1275018897
- Xuan-Loc Nguyen, DOFamily Medicine Physician1477949519
- Khaing Khaing Win, MDFamily Medicine Physician1790361384
Verify Loren Alexander Fefer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A045094Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Loren Alexander Fefer among 2,140 gastroenterology physician records in California
Loren Alexander Fefer, 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 not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2008 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,140 in California → Every provider in Rocklin → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ramin Bagheri, M.D.Rocklin, CA 957651104175249
- Vadim BulRocklin, CA 957651629498274
- Ali Azarm, M.D.Granite Bay, CA 957461962433383
- Sanford SelconGranite Bay, CA 957461467883959
- Michelle Lee, D.O.Sacramento, CA 958151366824807
- Renee Debose, MDSacramento, CA 958161780772897
- Earl Gear, M.D.Sacramento, CA 958161780795203
- Altaf Jan, M.D.Sacramento, CA 958161922072404
Common questions
What is Loren Alexander Fefer, M.D.'s NPI number?
Loren Alexander Fefer, M.D.'s National Provider Identifier (NPI) is 1063496503, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Loren Alexander Fefer, M.D. located?
The NPPES record lists a practice address at 550 W Ranch View Dr Ste 2005, Rocklin, CA, 95765. Phone: (916) 295-5700. Providers update this record themselves, so call before visiting.
How can I verify Loren Alexander Fefer, M.D.'s license?
NPPES lists California license number A045094, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.