William Geisen, DO
NPI 1326536996 · Hospitalist Physician · Cincinnati, OH
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Geisen, DO is a Hospitalist Physician provider in Cincinnati, OH (NPI 1326536996).
Provider details
- NPI number
- 1326536996
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
558 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 270 | $114 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 101 | $110 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 96 | $76 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 80 | $169 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 11 | $127 |
Typical Medicare-allowed amounts for these services range $76–$169 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 33 | 32 |
| Atorvastatin Calcium | 29 | 18 |
| Pantoprazole Sodium | 26 | 18 |
| Metoprolol Succinate | 25 | 16 |
| Oxycodone Hcl | 19 | 19 |
| Spironolactone | 14 | — |
| Amoxicillin/Potassium Clav |
Practice location
Mailing address
Additional practice locations (2)
- 2139 Auburn AveCincinnati, OH 45219-2906Phone: (513) 585-0855
- 10500 Montgomery RdMontgomery, OH 45242-4402Phone: (513) 865-2246Fax: (513) 865-5596
Registry dates
- Enumerated
- 2018-04-28
- Last updated
- 2021-07-19
- Certified
- 2021-07-19
Frequently asked questions
- What is William Geisen's NPI number?
- William Geisen's National Provider Identifier (NPI) is 1326536996, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Geisen's specialty?
- William Geisen is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is William Geisen located?
- William Geisen's practice location on file with NPPES is 375 Dixmyth Ave, Cincinnati, OH 45220-2475.
- What is William Geisen's phone number?
- The practice phone number listed in the NPPES registry for William Geisen is (513) 862-3452.
- Does William Geisen accept Medicare?
- William Geisen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Geisen's NPI active?
- Yes — William Geisen's NPI (1326536996) is active in the NPPES registry as of the last update on 2021-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.