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

John Dale Grizzle II, MD

Individual provider Family Medicine Physician · NPI 1255396073

John Dale Grizzle II, MD is registered under Family Practice in Oklahoma City, Oklahoma. Qualified in 1995, 31 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Oklahoma.

Years since qualifying
31
Licensed in
OK
In the registry since
2006
Specialties on file
3
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

15800 S Western Ave
Oklahoma City, OK 73170-9393
Phone: (405) 793-1300
Fax: (405) 805-6611
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 20170 (OK)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 20170 (OK)
Addiction Medicine (Family Medicine) Physician Taxonomy 207QA0401X · Licence 20170 (OK)

Record details

NPI number1255396073
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 18, 2006
Last updated in NPPESOctober 15, 2025
Certification dateOctober 15, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesADDICTION MEDICINE
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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 patients91
Services billed 993 a service is one billed item, such as a visit, a test or a procedure
Average patient age70

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.

  • Select Home Health Home health agency · Oklahoma City, OK

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