MICHAEL MUELLNER M.D.
NPI 1073959094
Internal Medicine in Los Angeles, CA

Active since May 16, 2013PECOS EnrolledAccepts Medicare Assignment
4733 W SUNSET BLVD, 3RD FLOOR, LOS ANGELES, CA 90027(323) 783-0339(866) 455-3867 Get Directions Write a Review

NPPES record last updated: November 3, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Nov 3, 2021, Nov 30, 2015 (2 updates tracked since 2015).

About Michael Muellner M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MICHAEL MUELLNER M.D. (NPI 1073959094) is an individual internal medicine provider in Los Angeles, California, licensed in California (A136445) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2013).

NPPES Registry Identity

NPI1073959094
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMICHAEL MUELLNERCredential: M.D.
Location Address4733 W SUNSET BLVD, 3RD FLOORLos Angeles, CA 90027-6021
Mailing Address4733 W Sunset Blvd, 3rd FloorLos Angeles, CA 90027-6021 · (323) 783-0339 · Fax (866) 455-3867
Fax(866) 455-3867
Sole ProprietorYes
Medical School CMSLoma Linda University School Of MedicineGraduated 2013
Enumeration DateMay 16, 2013
Last NPPES UpdateNovember 3, 20212 updates tracked since enumeration
NPPES CertifiedNovember 3, 2021
NPI 1073959094 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A136445
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4733 W SUNSET BLVD, Los Angeles, CA 90027

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Michael Muellner M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527360601
PECOS Enrollment IDI20170411002159
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
40 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Cardiovascular Disease)
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Psychiatry & Neurology (Psychiatry)
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Optometrist
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Family Medicine
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Internal Medicine
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Ophthalmology
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Physician Assistant
4733 W SUNSET BLVD
LOS ANGELES, CA 90027
Nurse Anesthetist, Certified Registered
4733 W SUNSET BLVD
LOS ANGELES, CA 90027

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Muellner's NPI number?

The NPI number for Michael Muellner is 1073959094. It was assigned to this individual provider in the NPPES registry on May 16, 2013.

Where is Michael Muellner located?

Michael Muellner practices at 4733 W Sunset Blvd 3rd Floor, Los Angeles, CA 90027. The listed phone number is (323) 783-0339.

What is Michael Muellner's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michael Muellner enrolled in Medicare?

Yes. Michael Muellner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Michael Muellner was last updated on November 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.