Michael Henderson, PA-C
NPI 1558523951 · Medical Physician Assistant · Largo, FL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Henderson, PA-C is a Medical Physician Assistant provider in Largo, FL (NPI 1558523951).
Provider details
- NPI number
- 1558523951
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA9113306 (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
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
560 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 133 | $92 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 132 | $75 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 98 | $16 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 60 | $41 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 45 | $106 |
| Automated Urinalysis Test81003 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 96 | 95 |
| Prednisone | 89 | 88 |
| Cephalexin | 62 | 62 |
| Doxycycline Hyclate | 58 | 58 |
| Azithromycin | 41 | 41 |
| Amoxicillin | 40 | 40 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 27 | 27 |
| Nirmatrelvir/Ritonavir |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-26
- Last updated
- 2023-05-19
- Certified
- 2023-05-19
Frequently asked questions
- What is Michael Henderson's NPI number?
- Michael Henderson's National Provider Identifier (NPI) is 1558523951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Henderson's specialty?
- Michael Henderson is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Henderson located?
- Michael Henderson's practice location on file with NPPES is 13670 Walsingham Rd, Largo, FL 33774-3532.
- What is Michael Henderson's phone number?
- The practice phone number listed in the NPPES registry for Michael Henderson is (727) 315-6974.
- Does Michael Henderson accept Medicare?
- Michael Henderson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Henderson's NPI active?
- Yes — Michael Henderson's NPI (1558523951) is active in the NPPES registry as of the last update on 2023-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.