Doctor profile · Federal record

Dr. Michael Muellner, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Los Angeles, CA

  • NPI 1073959094
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4733 W Sunset Blvd, 3Rd Floor
Los Angeles, CA 900276021
(323) 783-0339
fax (866) 455-3867

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
November 3, 2021
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A136445

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073959094. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
39
Distinct HCPCS
1
Medicare allowed
$4,883
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 39 12 $125

In context: peer comparison

Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
114
Patients
14
Total drug cost
$3,545
Drug Type Claims Patients Total cost
Clopidogrel (Clopidogrel Bisulfate) Brand 28 14 $522
Rosuvastatin Calcium Generic 25 0 $349
Lisinopril Generic 18 0 $209
Atorvastatin Calcium Generic 15 0 $191
Pradaxa (Dabigatran Etexilate Mesylate) Brand 15 0 $2,166
Pantoprazole Sodium Generic 13 0 $109

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Muellner's medical specialty?
Dr. Michael Muellner practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Michael Muellner practice?
Dr. Michael Muellner practices at 4733 W Sunset Blvd, Los Angeles, CA 900276021. Office phone: 3237830339.
What is Dr. Michael Muellner's NPI?
Dr. Michael Muellner's National Provider Identifier (NPI) is 1073959094, issued by NPPES.
Does Dr. Michael Muellner accept Medicare assignment?
Yes. Dr. Michael Muellner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Muellner commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.