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

Allen J Hamaker, MD PC

Organization Specialist · NPI 1720158397

Allen J Hamaker, MD PC is a Specialist in Okc, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2006.

Licensed in
OK
In the registry since
2006
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

3613 NW 56th St Ste 140
Okc, OK 73112
Phone: (405) 949-6481
Fax: (405) 795-5908
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X
Specialist Taxonomy 174400000X · Licence 20735 (OK)

Record details

NPI number1720158397
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Allen Hamaker — Coo · (405) 949-6481
NPI enumeratedNovember 9, 2006
Last updated in NPPESSeptember 25, 2014
Mailing address3613 Nw 56th St., Suite 140, Okc, OK 73112