DR. GREGORY A PARKER M.D.
NPI 1972544625
Internal Medicine - Hematology & Oncology in Oklahoma City, OK

Q: What is Gregory Parker's NPI number?

The NPI number for Gregory Parker is 1972544625. It was assigned to this individual provider in the NPPES registry on June 10, 2006.

Q: What is Gregory Parker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Parker was last updated on May 12, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 10, 2006PECOS Enrolled

3525 NW 56TH ST, SUITE D100, OKLAHOMA CITY, OK 73112(405) 942-9200(405) 949-1483 Get Directions Write a Review

NPPES record last updated: May 12, 2014. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Gregory A Parker M.d. NPPES

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

DR. GREGORY A PARKER M.D. (NPI 1972544625) is an individual hematology & oncology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (14781) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1972544625

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. GREGORY A PARKERCredential: M.D.

Location Address3525 NW 56TH ST, SUITE D100Oklahoma City, OK 73112-4550

Mailing Address3525 Nw 56th St, Suite D100Oklahoma City, OK 73112-4550 · (405) 942-9200 · Fax (405) 949-1483

Phone(405) 942-9200

Fax(405) 949-1483

Sole ProprietorNo

Enumeration DateJune 10, 2006

Last NPPES UpdateMay 12, 2014

✔ NPI 1972544625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in OK · 14781

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

3525 NW 56TH ST, Oklahoma City, OK 73112

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Other Identifiers 2

Medicare ID-Type Unspecified244307803OK

Medicare UPIND42725OK

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory A Parker M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73112 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

$162.61 typical visit price

range $53.00 – $162.61

Typical copayment $40.65 (range $13.25 – $40.65)

Most-billed visit code 99205

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.

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