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DR. MARK STEVEN FIXLEY M.D.
NPI 1487641569
Internal Medicine - Pulmonary Disease in Oklahoma City, OK

Active since October 04, 2005
4050 W MEMORIAL RD FL 3, OKLAHOMA CITY, OK 73120(405) 608-3800(405) 608-1594 Get Directions Write a Review

NPPES record last updated: November 9, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 9, 2020, Jun 28, 2018, Feb 10, 2017 and 2 more (5 updates tracked since 2016).

About Dr. Mark Steven Fixley M.d. NPPES

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

DR. MARK STEVEN FIXLEY M.D. (NPI 1487641569) is an individual pulmonary disease provider in Oklahoma City, Oklahoma, licensed in Oklahoma (12889) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1487641569
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. MARK STEVEN FIXLEYCredential: M.D.
Location Address4050 W MEMORIAL RD FL 3Oklahoma City, OK 73120-8382
Mailing Address7800 Nw 85th TerOklahoma City, OK 73132-3385
Phone(405) 608-3800
Fax(405) 608-1594
Sole ProprietorNo
Enumeration DateOctober 4, 2005
Last NPPES UpdateNovember 9, 20205 updates tracked since enumeration
NPPES CertifiedNovember 9, 2020
✔ NPI 1487641569 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in OK · 12889
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 12889 (OK)
4050 W MEMORIAL RD FL 3, Oklahoma City, OK 73120
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Other Identifiers 2

Medicaid100195850AOK
OtherP00169319OK · Railroad Medicare

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.

VARUN KHANNA M.D.
Internal Medicine (Cardiovascular Disease)
4050 W MEMORIAL RD FL 3
OKLAHOMA CITY, OK 73120
Oklahoma County (405) 608-3800
BRANISLAV SCHIFFERDECKER M.D.
Internal Medicine (Interventional Cardiology)
4050 W MEMORIAL RD FL 3
OKLAHOMA CITY, OK 73120
Oklahoma County (405) 608-3800
GARRETT NEAL KLUTTS MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
4050 W MEMORIAL RD FL 3
OKLAHOMA CITY, OK 73120
Oklahoma County (405) 608-3800
JACK L. COLLIER MD
Internal Medicine (Clinical Cardiac Electrophysiology)
4050 W MEMORIAL RD FL 3
OKLAHOMA CITY, OK 73120
Oklahoma County (405) 608-3800
DR. BEAU MICHAEL HAWKINS MD
Internal Medicine (Interventional Cardiology)
4050 W MEMORIAL RD FL 3
OKLAHOMA CITY, OK 73120
Oklahoma County (405) 608-3800
ANNE ELIZABETH DUDE APRN, FNP-C
Nurse Practitioner (Family)
4050 W MEMORIAL RD FL 3
OKLAHOMA CITY, OK 73120
Oklahoma County (405) 608-3800
MS. JAMIE ELIZABETH CRAIN PA-C
Physician Assistant
4050 W MEMORIAL RD FL 3
OKLAHOMA CITY, OK 73120
Oklahoma County (405) 608-3800
MAEGAN D HOUGHTON AGACNP-BC, MSN, RN
Nurse Practitioner (Acute Care)
4050 W MEMORIAL RD FL 3
OKLAHOMA CITY, OK 73120
Oklahoma County (405) 608-3800

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 Mark Fixley's NPI number?

The NPI number for Mark Fixley is 1487641569. It was assigned to this individual provider in the NPPES registry on October 4, 2005.

Where is Mark Fixley located?

Mark Fixley practices at 4050 W Memorial Rd Fl 3, Oklahoma City, OK 73120. The listed phone number is (405) 608-3800.

What is Mark Fixley's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

When was this NPI record last updated?

The NPPES record for Mark Fixley was last updated on November 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.