MARY CLARKE MD
NPI 1194839589
Family Medicine in Stillwater, OK

Active since August 19, 2006PECOS EnrolledAccepts Medicare Assignment
91.18/100
CMS Quality Rating
1815 W 6TH AVE, STILLWATER, OK 74074(405) 743-7300(405) 743-7398 Get Directions Write a Review

NPPES record last updated: October 27, 2008. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mary Clarke Md NPPES

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

MARY CLARKE MD (NPI 1194839589) is an individual family medicine provider in Stillwater, Oklahoma, licensed in Texas (L8314) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Stillwater Medical Center, and is a graduate of University Of Oklahoma College Of Medicine (1996).

NPPES Registry Identity

NPI1194839589
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMARY CLARKECredential: MD
Location Address1815 W 6TH AVEStillwater, OK 74074-4202
Mailing Address1815 W 6th AveStillwater, OK 74074-4202 · (405) 743-7300 · Fax (405) 743-7398
Fax(405) 743-7398
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 1996
Enumeration DateAugust 19, 2006
Last NPPES UpdateOctober 27, 2008
NPI 1194839589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in TX · L8314
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1815 W 6TH AVE, Stillwater, OK 74074

Other Identifiers 4

Other75-2600824Ein: North Texas Medical-
Medicare ID-Type UnspecifiedB6152TX
Medicare UPINH03338
Medicaid1730673 01TX

Accepted Insurance

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

Mary Clarke Md 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 ID8224029426
PECOS Enrollment IDI20080408000141
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 17

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.

Dxa bone density measurement of hip, pelvis, spine 77080
A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.
526 services525 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
462 services264 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
236 services236 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
150 services15 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
91 services69 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
89 services89 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Stillwater Medical Center

Acute Care Hospitals · Stillwater, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number370049
Location1323 West 6th StreetStillwater, OK 74076 · Payne County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74074 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
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.18/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality79.27
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 12

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers32 claims68 services$6.14 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
1 supplier36 claims36 services$40.59 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
1 supplier15 claims15 services$111.59 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
2 suppliers28 claims28 services$63.22 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
2 suppliers31 claims31 services$20.48 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
1 supplier41 claims86 services$2.99 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Nurse Practitioner
1815 W 6TH AVE
STILLWATER, OK 74074
Physician Assistant
1815 W 6TH AVE
STILLWATER, OK 74074
Counselor (Addiction (Substance Use Disorder))
1815 W 6TH AVE
STILLWATER, OK 74074
Internal Medicine
1815 W 6TH AVE
STILLWATER, OK 74074
Physician Assistant (Medical)
1815 W 6TH AVE
STILLWATER, OK 74074
Family Medicine
1815 W 6TH AVE
STILLWATER, OK 74074
Physician Assistant
1815 W 6TH AVE
STILLWATER, OK 74074
Nurse Practitioner (Family)
1815 W 6TH AVE
STILLWATER, OK 74074

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 Mary Clarke's NPI number?

The NPI number for Mary Clarke is 1194839589. It was assigned to this individual provider in the NPPES registry on August 19, 2006.

Where is Mary Clarke located?

Mary Clarke practices at 1815 W 6th Ave, Stillwater, OK 74074. The listed phone number is (405) 743-7300.

What is Mary Clarke's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mary Clarke enrolled in Medicare?

Yes. Mary Clarke 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.

What insurance does Mary Clarke accept?

Health plans from CommunityCare, Medica, Mending Health and UnitedHealthcare list Mary Clarke as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mary Clarke affiliated with any hospitals?

According to CMS data, Mary Clarke is affiliated with Stillwater Medical Center.

When was this NPI record last updated?

The NPPES record for Mary Clarke was last updated on October 27, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.