Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Roger K Pfeiffer, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1215054622

Roger K Pfeiffer, DO practises Obstetrics/Gynecology in Owasso, Oklahoma. Qualified in 2005, 21 years ago. Practices with Ahs Oklahoma Physician Group LLC, a 315-clinician group and accepts Medicare assignment. Licensed in Michigan and Oklahoma.

Years since qualifying
21
Licensed in
MI, OK
In the registry since
2007
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

12455 E 100th St N Ste 220
Owasso, OK 74055-4674 Not confirmed with CMS for 13 years — call before visiting
Phone: (918) 274-5555
Fax: (918) 293-3167
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gynecologic Oncology Physician (primary) Taxonomy 207VX0201X · Licence 9182745555 (OK)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 5101016407 (MI)

Record details

NPI number1215054622
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 23, 2007
Last updated in NPPESAugust 7, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Ahs Oklahoma Physician Group Llc — 315 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Procedures

From CMS Care Compare, which counts the procedures a clinician billed to Original Medicare and Medicare Advantage over a recent 12-month period. CMS reports a fixed list of common procedures, so this is not everything the clinician does. Counts of 10 or fewer are given as a range, because CMS withholds small numbers.

Removal of the uterus 1–10 times

The percentile compares how often this clinician performed the procedure with other clinicians who performed it, as CMS calculates it. It measures volume, not outcomes or skill.

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients33
Services billed 820 a service is one billed item, such as a visit, a test or a procedure
Average patient age65

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Education $4,500 3 payments · educational material or training, not a fee
Travel and Lodging $1,253 5 payments · travel or lodging paid or reimbursed, such as to attend a conference
Food and Beverage $453 20 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Ahs Oklahoma Physician Group LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 315 clinicians in the practice; 12 are shown here.

Other providers in Owasso