Gary Guerrino, M.D.
NPI 1811981194 · Internal Medicine Physician · Mount Vernon, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Guerrino, M.D. is a Internal Medicine Physician provider in Mount Vernon, NY (NPI 1811981194).
Provider details
- NPI number
- 1811981194
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 181694-1 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
644 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 203 | $153 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 182 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $108 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 42 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 41 | $159 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 116 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 592 | 170 |
| Amlodipine Besylate | 557 | 166 |
| Metoprolol Succinate | 228 | 69 |
| Losartan Potassium | 210 | 65 |
| Metformin Hcl | 175 | 58 |
| Levothyroxine Sodium | 163 | 40 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-01
- Last updated
- 2022-12-16
- Certified
- 2022-12-16
Frequently asked questions
- What is Gary Guerrino's NPI number?
- Gary Guerrino's National Provider Identifier (NPI) is 1811981194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Guerrino's specialty?
- Gary Guerrino is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Guerrino located?
- Gary Guerrino's practice location on file with NPPES is 400 E Sandford Blvd, Mount Vernon, NY 10550-4725.
- What is Gary Guerrino's phone number?
- The practice phone number listed in the NPPES registry for Gary Guerrino is (914) 699-0109.
- Does Gary Guerrino accept Medicare?
- Gary Guerrino is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Guerrino's NPI active?
- Yes — Gary Guerrino's NPI (1811981194) is active in the NPPES registry as of the last update on 2022-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.