MARK THOMAS ACKERMAN MD
NPI 1144225046
Internal Medicine in Los Angeles, CA

Q: What is Mark Ackerman's NPI number?

The NPI number for Mark Ackerman is 1144225046. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Q: What is Mark Ackerman's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mark Ackerman was last updated on January 6, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 16, 2005PECOS Enrolled

221 WESTWOOD PLZ, LOS ANGELES, CA 90095(310) 794-5555 Get Directions Write a Review

NPPES record last updated: January 6, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Mark Thomas Ackerman Md NPPES

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

MARK THOMAS ACKERMAN MD (NPI 1144225046) is an individual internal medicine provider in Los Angeles, California, licensed in California (A060600) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1144225046

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameMARK THOMAS ACKERMANCredential: MD

Location Address221 WESTWOOD PLZLos Angeles, CA 90095-4703

Mailing Address221 Westwood PlzLos Angeles, CA 90095-4703 · (310) 794-5555

Phone(310) 794-5555

Sole ProprietorNo

Enumeration DateJune 16, 2005

Last NPPES UpdateJanuary 6, 2025

NPPES CertifiedJanuary 6, 2025

✔ NPI 1144225046 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 · A060600

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.

221 WESTWOOD PLZ, Los Angeles, CA 90095

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mark Thomas Ackerman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90095 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.

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