Stephanie Erin Muller, M.D.
Anatomic Pathology & Clinical Pathology Physician · San Diego, CA
Stephanie Erin Muller, M.D. is an anatomic pathology & clinical pathology physician with a practice address in San Diego, California, and NPI 1669818456, issued on May 20, 2013. Check the license (California A154481, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephanie Erin Muller
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- A154481 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9295 Farnham Street, San Diego, CA 92123
- Phone
- (858) 939-2660
- Enumerated
- May 20, 2013
- Record last updated
- Aug 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191025001123); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 1,554 in California → Look up another NPI →
Verify Stephanie Erin Muller in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154481Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 94.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Analytic Pathology Medical Group IncOceanside, CA
- Pacific Rim Pathology Medical CorporationSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie Erin Muller among 1,554 anatomic pathology & clinical pathology physician records in California
Stephanie Erin Muller, M.D. is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.
- NPI issued2013 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2013 · median 2003 among the 891 with a school on file
- Record last updated2019 · 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 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in California
There are 1,554 anatomic pathology & clinical pathology physician records in California.
All 1,554 in California → Every provider in San Diego → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Cynthia Behling, MDSan Diego, CA 921231063476331
- Ardath Huffaker, MDSan Diego, CA 921231578527156
- Perry Jensen, MDSan Diego, CA 921231124080650
- Anand Kunda, M.D.San Diego, CA 921231346285897
- Sharon Longway, MDSan Diego, CA 921231871557330
- Arturo Mendoza, MDSan Diego, CA 921231649232182
- Jun Mo, M.D.San Diego, CA 921231952402786
- Wayne Muller, MDSan Diego, CA 921231376507384
Common questions
What is Stephanie Erin Muller, M.D.'s NPI number?
Stephanie Erin Muller, M.D.'s National Provider Identifier (NPI) is 1669818456, issued on May 20, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie Erin Muller, M.D. located?
The NPPES record lists a practice address at 9295 Farnham Street, San Diego, CA, 92123. Phone: (858) 939-2660. Providers update this record themselves, so call before visiting.
How can I verify Stephanie Erin Muller, M.D.'s license?
NPPES lists California license number A154481, 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.
What is Stephanie Erin Muller, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.9 of 100, reported for the practice group. 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.