Stephen Karman, MD
NPI 1255393476 · Internal Medicine Physician · Idabel, OK
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Karman, MD is a Internal Medicine Physician provider in Idabel, OK (NPI 1255393476).
Provider details
- NPI number
- 1255393476
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME80859 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
835 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 | 606 | $119 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 125 | $115 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 58 | $174 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 46 | $81 |
Typical Medicare-allowed amounts for these services range $81–$174 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 66 | 61 |
| Cefdinir | 43 | 43 |
| Atorvastatin Calcium | 28 | 27 |
| Losartan Potassium | 27 | 20 |
| Amlodipine Besylate | 26 | 23 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 25 | 25 |
| Methylprednisolone | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$438 across 3 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
Additional practice locations (1)
- 2720 N Tenaya WayLas Vegas, NV 89128-0424Phone: (702) 838-2025Fax: (702) 242-7944
Registry dates
- Enumerated
- 2006-04-04
- Last updated
- 2019-07-12
Frequently asked questions
- What is Stephen Karman's NPI number?
- Stephen Karman's National Provider Identifier (NPI) is 1255393476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Karman's specialty?
- Stephen Karman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Karman located?
- Stephen Karman's practice location on file with NPPES is 1301 E Lincoln Rd, Idabel, OK 74745-7300.
- What is Stephen Karman's phone number?
- The practice phone number listed in the NPPES registry for Stephen Karman is (580) 286-7623.
- Does Stephen Karman accept Medicare?
- Stephen Karman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Karman's NPI active?
- Yes — Stephen Karman's NPI (1255393476) is active in the NPPES registry as of the last update on 2019-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.