Michael Hemphill, MD
NPI 1255691960 · Pulmonary Disease Physician · Duncan, OK
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Hemphill, MD is a Pulmonary Disease Physician provider in Duncan, OK (NPI 1255691960).
Provider details
- NPI number
- 1255691960
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 29191 (OK)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,485 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 280 | $114 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 279 | $9 |
| Test to Determine Lung Volumes Using Sensors94726 | 274 | $11 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 220 | $10 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 181 | $74 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 81 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 960 | 179 |
| Montelukast Sodium | 857 | 161 |
| Fluticasone Propion/Salmeterolbrand: Fluticasone-Salmeterol | 443 | 107 |
| Azithromycin | 424 | 96 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 376 | 147 |
| Tiotropium Bromidebrand: Spiriva Respimat | 301 | 79 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$582 across 20 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-29
- Last updated
- 2023-03-20
- Certified
- 2023-03-17
Frequently asked questions
- What is Michael Hemphill's NPI number?
- Michael Hemphill's National Provider Identifier (NPI) is 1255691960, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Hemphill's specialty?
- Michael Hemphill is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Hemphill located?
- Michael Hemphill's practice location on file with NPPES is 2515 N Whisenant Drive, Duncan, OK 73533-1585.
- What is Michael Hemphill's phone number?
- The practice phone number listed in the NPPES registry for Michael Hemphill is (580) 251-6806.
- Does Michael Hemphill accept Medicare?
- Michael Hemphill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Hemphill's NPI active?
- Yes — Michael Hemphill's NPI (1255691960) is active in the NPPES registry as of the last update on 2023-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.