Michael Grchan, PA
NPI 1639732084 · Physician Assistant · Tampa, FL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Grchan, PA is a Physician Assistant provider in Tampa, FL (NPI 1639732084).
Provider details
- NPI number
- 1639732084
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- PA9113378 (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
7 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
108 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 | 59 | $95 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 32 | $141 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $79 |
Typical Medicare-allowed amounts for these services range $79–$141 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Daptomycin | 39 | 17 |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 35 | 13 |
| Cefepime Hcl | 35 | — |
| Doxycycline Hyclate | 27 | 13 |
| Ertapenem Sodiumbrand: Ertapenem | 21 | — |
| Cefadroxil | 16 | — |
| Cefazolin Sodium | 14 | — |
| Vancomycin Hcl | 13 |
Practice location
Mailing address
Additional practice locations (3)
- 1 Tampa General CirTampa, FL 33606-3571Phone: (813) 844-7000
- 8515 N Mitchell AveTampa, FL 33604-1658Phone: (813) 559-4649Fax: (813) 975-2014
- 1105 E Kennedy BlvdTampa, FL 33602-3511Phone: (813) 307-8064
Registry dates
- Enumerated
- 2019-04-20
- Last updated
- 2025-11-07
- Certified
- 2025-11-07
Frequently asked questions
- What is Michael Grchan's NPI number?
- Michael Grchan's National Provider Identifier (NPI) is 1639732084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Grchan's specialty?
- Michael Grchan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michael Grchan located?
- Michael Grchan's practice location on file with NPPES is 13601 N 22nd St, Tampa, FL 33613-4427.
- What is Michael Grchan's phone number?
- The practice phone number listed in the NPPES registry for Michael Grchan is (813) 307-8074.
- Does Michael Grchan accept Medicare?
- Michael Grchan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Grchan's NPI active?
- Yes — Michael Grchan's NPI (1639732084) is active in the NPPES registry as of the last update on 2025-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.