DR. CATHY NIEMAN MD
NPI 1578556171
Internal Medicine in Stillwater, OK

Active since August 30, 2005PECOS EnrolledAccepts Medicare Assignment
91.18/100
CMS Quality Rating
821 S WALNUT ST, STILLWATER, OK 74074(405) 372-4646(405) 372-4685 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Dr. Cathy Nieman Md NPPES

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

DR. CATHY NIEMAN MD (NPI 1578556171) is an individual internal medicine provider in Stillwater, Oklahoma, licensed in Oklahoma (20253) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with Integris Health Ponca City, and is a graduate of University Of Oklahoma College Of Medicine (1996).

NPPES Registry Identity

NPI1578556171
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. CATHY NIEMANCredential: MD
Location Address821 S WALNUT STStillwater, OK 74074-4226
Mailing Address821 S Walnut StStillwater, OK 74074-4226 · (405) 372-4646 · Fax (405) 372-4685
Fax(405) 372-4685
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 1996
Enumeration DateAugust 30, 2005
Last NPPES UpdateJuly 8, 2007
✔ NPI 1578556171 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in OK · 20253
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.
821 S WALNUT ST, Stillwater, OK 74074

Other Identifiers 3

Other100254520AOK · Soonercare
Medicare UPING90804OK
Medicaid100114250AOK

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

Dr. Cathy Nieman 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 ID840296620
PECOS Enrollment IDI20061018000694
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 21

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.

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.
989 services370 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
269 services233 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.
243 services243 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.
113 services84 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
98 services96 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
92 services88 patients

Hospital Affiliations CMS Care Compare 3

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

Integris Health Ponca City

Acute Care Hospitals · Ponca City, OK
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number370006
Location1900 North 14th StreetPonca City, OK 74601 · Kay County
Emergency services

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

O U Medical Center

Acute Care Hospitals · Oklahoma City, OK
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370093
Location700 NE 13th StreetOklahoma City, OK 73104 · Oklahoma 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
$123.06 typical visit price
range $53.00 – $162.61
Typical copayment $30.76 (range $13.25 – $40.65)
Most-billed visit code 99204
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 suppliers53 claims116 services$5.85 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
3 suppliers13 claims22 services$1.20 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
1 supplier42 claims42 services$42.53 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
1 supplier19 claims19 services$108.45 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 suppliers32 claims32 services$65.12 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
2 suppliers31 claims31 services$21.02 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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
821 S WALNUT ST
STILLWATER, OK 74074
Internal Medicine
821 S WALNUT ST
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 Cathy Nieman's NPI number?

The NPI number for Cathy Nieman is 1578556171. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is Cathy Nieman located?

Cathy Nieman practices at 821 S Walnut St, Stillwater, OK 74074. The listed phone number is (405) 372-4646.

What is Cathy Nieman's specialty?

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

Is Cathy Nieman enrolled in Medicare?

Yes. Cathy Nieman 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 Cathy Nieman accept?

Health plans from CommunityCare, Medica, Mending Health and UnitedHealthcare list Cathy Nieman 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 Cathy Nieman affiliated with any hospitals?

According to CMS data, Cathy Nieman is affiliated with Integris Health Ponca City, Stillwater Medical Center and O U Medical Center.

When was this NPI record last updated?

The NPPES record for Cathy Nieman was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.