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Edit this profileWhere to find William R. Demarse, PA-C
- Tampa location main office
3100 E Fletcher Ave, Tampa, FL 33613 - Davenport location
40100 Highway 27, Davenport, FL 33837 - Winter Garden location
17430 Bali Blvd, Winter Garden, FL 34787
About William Demarse
William R. Demarse, PA-C is a physician assistant based in Tampa, FL. According to Medicare claims data, William cared for 394 Medicare patients across 412 services. The services billed most often include emergency department visit with moderate level of medical decision making, emergency department visit with high level of medical decision making, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only. The provider's National Provider Identifier (NPI) is 1881655272.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (813) 971-6000
- Email not available
Practice Locations
3100 E FLETCHER AVE
Tampa, FL 33613
40100 Highway 27
Davenport, FL 33837
17430 Bali Blvd
Winter Garden, FL 34787
Procedures Most Often Billed to Medicare
412 services · 394 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
89 | More often than most peers in Physician Assistant |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
150 | More than most peers in Physician Assistant |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
105 | More often than most peers in Physician Assistant |
| Critical care, first 30-74 minutes | Office visit | 99291 |
45 | More often than most peers in Physician Assistant |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
23 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 16 related providers in 2 groups
Other physician assistants in Tampa 8
Same specialty, same city.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in FL who bill this service to Medicare most often.
Common questions
What is William R. Demarse's specialty?
William R. Demarse is a physician assistant in Tampa, FL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find William R. Demarse?
William R. Demarse is listed at 3100 E Fletcher Ave, Tampa, FL 33613. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact William R. Demarse?
The number on file is (813) 971-6000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is William R. Demarse's NPI number?
William R. Demarse's National Provider Identifier is 1881655272. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has William R. Demarse been practicing?
William R. Demarse has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is William R. Demarse known for?
According to Medicare billing data, William R. Demarse provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has William R. Demarse confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by William R. Demarse. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.