Robert Grammatico, M.D.
NPI 1548503311 · Emergency Medicine Physician · St Petersburg, FL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Grammatico, M.D. is a Emergency Medicine Physician provider in St Petersburg, FL (NPI 1548503311).
Provider details
- NPI number
- 1548503311
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- Q7882 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 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
413 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 High Level of Medical Decision Making99285 | 171 | $175 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 120 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 60 | $121 |
| Critical Care, First 30-74 Minutes99291 | 41 | $213 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 21 | $71 |
Typical Medicare-allowed amounts for these services range $8–$213 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ibuprofen | 31 | 31 |
| Methocarbamol | 24 | 24 |
| Ondansetronbrand: Ondansetron Odt | 22 | 22 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 16 | 16 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 14 | 13 |
| Prednisone | 13 | 13 |
| Cefdinir | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-30
- Last updated
- 2022-11-01
- Certified
- 2022-11-01
Frequently asked questions
- What is Robert Grammatico's NPI number?
- Robert Grammatico's National Provider Identifier (NPI) is 1548503311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Grammatico's specialty?
- Robert Grammatico is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Grammatico located?
- Robert Grammatico's practice location on file with NPPES is 6500 38th Ave N, St Petersburg, FL 33710-1629.
- What is Robert Grammatico's phone number?
- The practice phone number listed in the NPPES registry for Robert Grammatico is (727) 384-1414.
- Does Robert Grammatico accept Medicare?
- Robert Grammatico is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Grammatico's NPI active?
- Yes — Robert Grammatico's NPI (1548503311) is active in the NPPES registry as of the last update on 2022-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.