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JOHN DALE GRIZZLE II M.D.
NPI 1255396073
Family Medicine in Oklahoma City, OK

Active since April 18, 2006PECOS EnrolledAccepts Medicare Assignment
15800 S WESTERN AVE, OKLAHOMA CITY, OK 73170(405) 793-1300(405) 805-6611 Get Directions Write a Review

NPPES record last updated: October 15, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About John Dale Grizzle Ii M.d. NPPES

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

JOHN DALE GRIZZLE II M.D. (NPI 1255396073) is an individual family medicine provider in Oklahoma City, Oklahoma, licensed in Oklahoma (20170) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1255396073
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameJOHN DALE GRIZZLE IICredential: M.D.
Location Address15800 S WESTERN AVEOklahoma City, OK 73170-9393
Mailing Address15800 S Western AveOklahoma City, OK 73170-9393 · (405) 793-1300 · Fax (405) 805-6611
Phone(405) 793-1300
Fax(405) 805-6611
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateApril 18, 2006
Last NPPES UpdateOctober 15, 2025
NPPES CertifiedOctober 15, 2025
✔ NPI 1255396073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in OK · 20170
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 20170 (OK)
Also ListedFamily Medicine · Addiction MedicineTaxonomy 207QA0401X · License 20170 (OK)
15800 S WESTERN AVE, Oklahoma City, OK 73170
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Other Identifiers 6

Other731381689GRIOK · Premiere
Other080136148OK · Railroad
Medicaid100113130COK
Other244431002OK · Medicare Id
Other20170OK · License
Other25263OK · Obndd

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

John Dale Grizzle Ii M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890758312
PECOS Enrollment IDI20041105000673
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
704 services88 patients
Testing for presence of drug, read by direct observation 80305
Testing for the presence of drugs involves collecting a sample, usually urine, which is then analyzed for specific substances. The process is monitored directly to ensure accuracy and integrity. This test helps to confirm if drugs are present in your system.
274 services79 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73170 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
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
1 supplier11 claims65 services$9.29 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
1 supplier11 claims11 services$40.05 avg. paid by Medicare
Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
2 suppliers12 claims72 services$1.42 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Grizzle's NPI number?

The NPI number for John Grizzle is 1255396073. It was assigned to this individual provider in the NPPES registry on April 18, 2006.

Where is John Grizzle located?

John Grizzle practices at 15800 S Western Ave, Oklahoma City, OK 73170. The listed phone number is (405) 793-1300.

What is John Grizzle's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is John Grizzle enrolled in Medicare?

Yes. John Grizzle is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does John Grizzle accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list John Grizzle as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Grizzle was last updated on October 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.