Doctor profile · Federal record

Dr. Stephanie Muller, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · San Diego, CA

  • NPI 1669818456
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9295 Farnham Street, Suite 100
San Diego, CA 92123
(858) 939-2660
Mailing address
File 1440
Pasadena, CA 911991440

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
August 23, 2019
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State license (1)
California #A154481

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669818456. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,559
Distinct HCPCS
10
Medicare allowed
$71,017
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 436 247 $39
88341 Special stained specimen slides to examine tissue, each additional procedure 286 57 $29
88305 Pathology examination of tissue using a microscope, intermediate complexity 249 162 $51
88342 Special stained specimen slides to examine tissue, initial procedure 104 84 $36
88112 Cell examination of specimen, selective cellular enhancement technique 97 81 $28
88307 Pathology examination of tissue using a microscope, moderately high complexity 76 44 $85
88173 Evaluation of fine needle aspirate with interpretation and report 46 37 $178
88112 Cell examination of specimen, selective cellular enhancement technique 37 29 $72
88360 Microscopic genetic analysis of tumor, manual 36 20 $43
88360 Microscopic genetic analysis of tumor, manual 35 16 $43

In context: peer comparison

Among 23 peers in San Diego Anatomic Pathology & Clinical Pathology Physician, average services per provider: 178. This provider delivers 8.8× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephanie Muller's medical specialty?
Dr. Stephanie Muller practices Anatomic Pathology & Clinical Pathology Physician in San Diego, CA.
Where does Dr. Stephanie Muller practice?
Dr. Stephanie Muller practices at 9295 Farnham Street, San Diego, CA 92123. Office phone: 8589392660.
What is Dr. Stephanie Muller's NPI?
Dr. Stephanie Muller's National Provider Identifier (NPI) is 1669818456, issued by NPPES.
Does Dr. Stephanie Muller accept Medicare assignment?
Yes. Dr. Stephanie Muller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephanie Muller commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305). Source: CMS Medicare Physician & Other Practitioners file.