Doctor profile · Federal record

Dr. Michael Hemphill, MD

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Duncan, OK

  • NPI 1255691960
  • Accepts Medicare
  • MIPS 89.6 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2515 N Whisenant Drive
Duncan, OK 735331585
(580) 251-6806
Mailing address
920 Sl Young Blvd
Oklahoma City, OK 731045036

Credentials & registration

NPPES · NUCC
NPI registered
May 2012 — 14 yrs on file
Profile last updated
March 20, 2023
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
Oklahoma #29191

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255691960. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,557
Distinct HCPCS
9
Medicare allowed
$83,331
HCPCS Description Services Patients Avg allowed
94729 Test to examine how well the lungs exchange gases 300 289 $8
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 300 106 $114
94726 Test to determine lung volumes using sensors 294 283 $11
94060 Test to measure expiratory airflow and volume changes before and after medication administration 233 226 $10
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 208 128 $74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 77 70 $164
94010 Test to measure expiratory airflow and volume 70 67 $8
99291 Critical care, first 30-74 minutes 39 36 $206
31624 Irrigation and suction of lung airways to obtain cells using an endoscope 36 34 $127

In context: peer comparison

Among 1 peers in Duncan Pulmonary Disease Physician, average services per provider: 173. This provider delivers 9.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$582
Transactions
20
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 7 $182.72
Regeneron Healthcare Solutions, INC. 2 $115.10
Sanofi-Aventis U.S. LLC 1 $99.95
GlaxoSmithKline, LLC. 4 $78.34
Inogen, INC. 2 $39.38
Genzyme Corporation 2 $30.44
Boehringer Ingelheim Pharmaceuticals, INC. 1 $21.64
Mylan Specialty L.P. 1 $14.42

By nature of payment

Food and Beverage
$342
Education
$240

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,066
Patients
978
Total drug cost
$1,431,828
Drug Type Claims Patients Total cost
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 727 141 $576,171
Montelukast Sodium Generic 725 147 $9,203
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 308 81 $175,747
Azithromycin Generic 307 84 $4,545
Furosemide Generic 296 69 $1,523
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 257 91 $8,865
Spiriva Handihaler (Tiotropium Bromide) Brand 225 59 $146,516
Spiriva Respimat (Tiotropium Bromide) Brand 212 57 $128,029
Breo Ellipta (Fluticasone/Vilanterol) Brand 205 45 $94,049
Fluticasone-Salmeterol (Fluticasone Propion/Salmeterol) Brand 173 57 $39,038

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Hemphill's medical specialty?
Dr. Michael Hemphill practices Pulmonary Disease Physician in Duncan, OK.
Where does Dr. Michael Hemphill practice?
Dr. Michael Hemphill practices at 2515 N Whisenant Drive, Duncan, OK 735331585. Office phone: 5802516806.
What is Dr. Michael Hemphill's NPI?
Dr. Michael Hemphill's National Provider Identifier (NPI) is 1255691960, issued by NPPES.
Does Dr. Michael Hemphill accept Medicare assignment?
Yes. Dr. Michael Hemphill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Hemphill commonly perform?
Top Medicare-reported procedures in 2023: Test to examine how well the lungs exchange gases (HCPCS 94729); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Test to determine lung volumes using sensors (HCPCS 94726). Source: CMS Medicare Physician & Other Practitioners file.