DR. MARK STEVEN FIXLEY (M.D.) – Pulmonary Disease Physician, NPI 1487641569

DR. MARK STEVEN FIXLEY (M.D.) is a healthcare provider. based in Oklahoma city, Oklahoma. specializing in Pulmonary Disease Physician. They hold the professional credentials M.D.. They hold a License No. 12889 (OK). The NPI Number for DR. MARK STEVEN FIXLEY (M.D.) is 1487641569

Main info

Male
54 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARK STEVEN FIXLEY (M.D.)
NPI
1487641569
Phone
Not provided
Address
7800 NW 85TH TER
Enumeration Date
4 October 2005
Last Update Date
9 November 2020

Doctor Profile

Medical School Name
UNIVERSITY OF KANSAS SCHOOL OF MED (KC/WICH/SAL)
Secondary Phone
4056083800
Graduation Year
1972 (54 years ago)
PAC ID
9234191537
Group Practice PAC ID
1759392079
Professional Enrollment ID
I20041029000212

Contacts

Secure Messaging
msfixley@direct.okheart.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

Provider Addresses for DR. MARK STEVEN FIXLEY (M.D.)

  • 7800, Northwest 85th Terrace, Oklahoma City, Oklahoma County, Oklahoma, 73132, United States

    OKLAHOMA CITY, OK 731323385

    Phone:

    Type: Mailing

  • 4050 W MEMORIAL RD FL 3

    OKLAHOMA CITY, OK 731208382

    Phone: (405) 608-3800

    Fax: (405) 608-1594

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

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Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 73132)

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Provider's Procedures

DR. MARK STEVEN FIXLEY (M.D.) performs procedures in Pulmonary Disease Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PULMONARY DISEASEOK36620Insertion of arterial catheter for blood sampling or infusion, accessed through the skin3936
PULMONARY DISEASEOK94060Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration392378

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1759392079View full group profile
NameSpecialtyState
Vascular Surgery, General SurgeryOK
-OK
-OK
Physician AssistantOK
Cardiovascular Disease (Cardiology), Interventional CardiologyOK
Cardiovascular Disease (Cardiology), Internal MedicineOK
Interventional Pain Management, AnesthesiologyOK
Internal Medicine, Cardiovascular Disease (Cardiology)OK
-OK
Internal Medicine, Interventional Cardiology, Cardiovascular Disease (Cardiology)OK

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Frequently asked questions

What is the standard ID for DR. MARK STEVEN FIXLEY (M.D.) in the U.S.?
In the U.S., DR. MARK STEVEN FIXLEY (M.D.) is identified by NPI 1487641569.
Does the public listing show DR. MARK STEVEN FIXLEY (M.D.) as active?
DR. MARK STEVEN FIXLEY (M.D.)'s NPI record reflects an active status in NPPES.
Which specialty label fits DR. MARK STEVEN FIXLEY (M.D.)?
NPPES ties DR. MARK STEVEN FIXLEY (M.D.) to Pulmonary Disease Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
Can patients visit DR. MARK STEVEN FIXLEY (M.D.) in Oklahoma City, Oklahoma?
For routing, start with Oklahoma City, Oklahoma for DR. MARK STEVEN FIXLEY (M.D.), then verify phone and hours locally.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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