William Demarse, PA-C
NPI 1881655272 · Physician Assistant · Tampa, FL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Demarse, PA-C is a Physician Assistant provider in Tampa, FL (NPI 1881655272).
Provider details
- NPI number
- 1881655272
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA9101285 (FL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
412 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 150 | $106 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 105 | $155 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 89 | $7 |
| Critical Care, First 30-74 Minutes99291 | 45 | $184 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 23 | $63 |
Typical Medicare-allowed amounts for these services range $7–$184 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 78 | 75 |
| Cephalexin | 46 | 44 |
| Ketorolac Tromethamine | 32 | 32 |
| Celecoxib | 26 | 26 |
| Prednisone | 25 | 25 |
| Tramadol Hcl | 25 | 25 |
| Cefdinir | 24 | 24 |
| Hydrocodone/Acetaminophen |
Practice location
Mailing address
Additional practice locations (2)
- 40100 Highway 27Davenport, FL 33837-5900Phone: (863) 422-4971Fax: (863) 419-2264
- 17430 Bali BlvdWinter Garden, FL 34787-9507Phone: (863) 422-5582Fax: (863) 422-5597
Registry dates
- Enumerated
- 2006-03-28
- Last updated
- 2019-08-08
Frequently asked questions
- What is William Demarse's NPI number?
- William Demarse's National Provider Identifier (NPI) is 1881655272, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Demarse's specialty?
- William Demarse is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Demarse located?
- William Demarse's practice location on file with NPPES is 3100 E Fletcher Ave, Tampa, FL 33613-4613.
- What is William Demarse's phone number?
- The practice phone number listed in the NPPES registry for William Demarse is (813) 971-6000.
- Does William Demarse accept Medicare?
- William Demarse is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Demarse's NPI active?
- Yes — William Demarse's NPI (1881655272) is active in the NPPES registry as of the last update on 2019-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.