DR. MARK R. MUELLER (MD) – Emergency Medicine Physician, NPI 1750322848

DR. MARK R. MUELLER (MD) is a healthcare provider. based in Stillwater, Oklahoma. specializing in EMERGENCY MEDICINE. They hold the professional credentials MD. They hold a License No. 15532 (OK). The NPI Number for DR. MARK R. MUELLER (MD) is 1750322848

Main info

Male
43 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARK R. MUELLER (MD)
NPI
1750322848
Phone
(405) 742-5454
Address
1323 W 6TH AVE
Enumeration Date
9 June 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
UNIVERSITY OF MISSOURI, COLUMBIA SCHOOL OF MEDICINE
Secondary Phone
4057437300
Graduation Year
1983 (43 years ago)
PAC ID
9830385954
Group Practice PAC ID
2365353794
Professional Enrollment ID
I20101201000060
Address ID
OK740742402ST1815XAVEX401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

747 EMERGENCY MEDICINE in OK

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Provider Addresses for DR. MARK R. MUELLER (MD)

  • Stillwater Medical Center, 1323, West 6th Avenue, Downtown Stillwater, Stillwater, Payne County, Oklahoma, 74074, United States

    STILLWATER, OK 740744306

    Phone: (405) 742-5454

    Mailing address matches the actual address.

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.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

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

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2010-12-01

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20101201000060IEmergency MedicineOKTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99349Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes21871$0
99214Established patient office or other outpatient visit, 30-39 minutes181153$0
99213Established patient office or other outpatient visit, 20-29 minutes123106$0
99348Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes8854$0
81003Automated urinalysis test5947$0
View full utilization report →

Insurance plans in this area (ZIP 74074)

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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: 2365353794View full group profile

Reviews

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Frequently asked questions

Can I use this page to confirm DR. MARK R. MUELLER (MD)'s NPI?
Yes. DR. MARK R. MUELLER (MD) is listed with NPI 1750322848 in the public NPI dataset.
Does CMS list DR. MARK R. MUELLER (MD) as active?
Yes — DR. MARK R. MUELLER (MD) is active in the NPI listing used on this page.
What is DR. MARK R. MUELLER (MD)'s specialty?
The listing groups DR. MARK R. MUELLER (MD) with Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
Where should I expect DR. MARK R. MUELLER (MD) on a map?
Expect Stillwater, Oklahoma as a primary anchor for DR. MARK R. MUELLER (MD) unless the record lists multiple sites.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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