Allen J Hamaker, MD PC
NPI 1720158397 · Internal Medicine Physician · Okc, OK
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allen J Hamaker, MD PC is a Internal Medicine Physician organization in Okc, OK (NPI 1720158397).
Provider details
- NPI number
- 1720158397
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Allen Hamaker, Coo(405) 949-6481
- License
- 20735 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-09
- Last updated
- 2014-09-25
Frequently asked questions
- What is Allen J Hamaker, MD PC's NPI number?
- Allen J Hamaker, MD PC's National Provider Identifier (NPI) is 1720158397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Allen J Hamaker, MD PC?
- Allen J Hamaker, MD PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allen J Hamaker, MD PC located?
- Allen J Hamaker, MD PC's practice location on file with NPPES is 3613 Nw 56th St, Okc, OK 73112.
- What is Allen J Hamaker, MD PC's phone number?
- The practice phone number listed in the NPPES registry for Allen J Hamaker, MD PC is (405) 949-6481.
- Does Allen J Hamaker, MD PC accept Medicare?
- Allen J Hamaker, MD PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Allen J Hamaker, MD PC?
- The authorized official listed on Allen J Hamaker, MD PC's NPPES record is Allen Hamaker, Coo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Allen J Hamaker, MD PC's NPI active?
- Yes — Allen J Hamaker, MD PC's NPI (1720158397) is active in the NPPES registry as of the last update on 2014-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.