Doctor profile · Federal record

Dr. Michael Hafner, P.A.

Physician Assistant · Stillwater, OK

  • NPI 1851540256
  • Accepts Medicare
  • MIPS 89.6 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
511 Windsor Dr
Stillwater, OK 740746962
(405) 707-0900
fax (405) 707-3363

Credentials & registration

NPPES · NUCC
NPI registered
September 2008 — 18 yrs on file
Profile last updated
January 30, 2009
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Oklahoma #1771
Medicaid
OK #200219760A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851540256. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
181
Distinct HCPCS
8
Medicare allowed
$19,863
HCPCS Description Services Patients Avg allowed
63047 Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 52 52 $107
22612 Fusion of spine in lower back 26 26 $202
63048 Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 24 20 $26
22551 Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc 19 19 $216
22840 Placement of stabilizing device to back of 1 spine bone in neck 19 19 $96
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 15 11 $33
22830 Exploration of spine fusion 13 13 $64
22845 Placement of stabilizing device to front, 2-3 spine bone segments 13 13 $92

In context: peer comparison

Among 8 peers in Stillwater Physician Assistant, average services per provider: 78. This provider delivers 2.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
104
Patients
76
Total drug cost
$754
Drug Type Claims Patients Total cost
Methocarbamol Generic 59 38 $328
Gabapentin Generic 45 38 $426

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Hafner's medical specialty?
Dr. Michael Hafner practices Physician Assistant in Stillwater, OK.
Where does Dr. Michael Hafner practice?
Dr. Michael Hafner practices at 511 Windsor Dr, Stillwater, OK 740746962. Office phone: 4057070900.
What is Dr. Michael Hafner's NPI?
Dr. Michael Hafner's National Provider Identifier (NPI) is 1851540256, issued by NPPES.
Does Dr. Michael Hafner accept Medicare assignment?
Yes. Dr. Michael Hafner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Hafner commonly perform?
Top Medicare-reported procedures in 2023: Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment (HCPCS 63047); Fusion of spine in lower back (HCPCS 22612); Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment (HCPCS 63048). Source: CMS Medicare Physician & Other Practitioners file.