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

Dr. Henry M Allen, DO

Individual provider Specialist · NPI 1154382299

Dr. Henry M Allen, DO is an Internal Medicine in Oklahoma City, Oklahoma. Qualified in 1986, 40 years ago. Accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
40
Licensed in
OK
In the registry since
2006
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

2200 SW 59th St
Oklahoma City, OK 73119-7027
Phone: (405) 682-0721
Fax: (405) 682-0757
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 2596 (OK)

Record details

NPI number1154382299
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 29, 2006
Last updated in NPPESMay 1, 2026
Certification dateMay 1, 2026
Mailing addressPo Box 1513, Norman, OK 73070-1513

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesNEPHROLOGY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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