Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Karen A Siren, MD

Individual provider Emergency Medicine Physician · NPI 1255589487

Dr. Karen A Siren, MD practises Emergency Medicine in McAlester, Oklahoma. Qualified in 2010, 16 years ago. Practices with Premier Physician Staffing 2 PLLC, a 12-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
16
Licensed in
PA
In the registry since
2008
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1 E Clark Bass Blvd
McAlester, OK 74501-4209 Not confirmed with CMS for 14 years — call before visiting
Phone: (918) 726-1800
Fax: (918) 421-6824
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence MT191295 (PA)

Record details

NPI number1255589487
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 29, 2008
Last updated in NPPESJune 7, 2012

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Premier Physician Staffing 2 Pllc — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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 patients388
Services billed 465 a service is one billed item, such as a visit, a test or a procedure
Average patient age75

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.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Premier Physician Staffing 2 PLLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in McAlester