Mark Hostettler, M.D.
NPI 1265431753 · Internal Medicine Physician · Alliance, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Hostettler, M.D. is a Internal Medicine Physician provider in Alliance, OH (NPI 1265431753).
Provider details
- NPI number
- 1265431753
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35-05-2184-H (OH)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
875 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 266 | $85 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 152 | $122 |
| Administration of Influenza Virus VaccineG0008 | 119 | $30 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 104 | $121 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 94 | $21 |
| Detection Test By Multiplex Amplified Probe Technique for Severe Acute Respiratory Syndrome Coronavirus 2 (sars-Cov-2) (covid-19) and Influenza Virus Types a and B |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 141 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 452 | 119 |
| Lisinopril | 371 | 103 |
| Amlodipine Besylate | 345 | 97 |
| Levothyroxine Sodium | 334 | 88 |
| Rosuvastatin Calcium | 276 | 78 |
| Losartan Potassium | 275 | 71 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,067 across 71 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
- 2005-07-18
- Last updated
- 2017-03-30
Frequently asked questions
- What is Mark Hostettler's NPI number?
- Mark Hostettler's National Provider Identifier (NPI) is 1265431753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hostettler's specialty?
- Mark Hostettler is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Hostettler located?
- Mark Hostettler's practice location on file with NPPES is 1207 W State St, Alliance, OH 44601-4686.
- What is Mark Hostettler's phone number?
- The practice phone number listed in the NPPES registry for Mark Hostettler is (330) 821-3244.
- Does Mark Hostettler accept Medicare?
- Mark Hostettler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Hostettler's NPI active?
- Yes — Mark Hostettler's NPI (1265431753) is active in the NPPES registry as of the last update on 2017-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.