Nicholas Guittari, M. D.
NPI 1841354537 · Geriatric Medicine (Internal Medicine) Physician · Bayonne, NJ
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Guittari, M. D. is a Geriatric Medicine (Internal Medicine) Physician provider in Bayonne, NJ (NPI 1841354537).
Provider details
- NPI number
- 1841354537
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M. D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MA050552 (NJ)
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
19 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
925 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 Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 463 | $52 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 231 | $43 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 49 | $82 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 39 | $100 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 36 | $136 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 158 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 704 | 140 |
| Atorvastatin Calcium | 660 | 129 |
| Apixabanbrand: Eliquis | 350 | 43 |
| Pantoprazole Sodium | 335 | 73 |
| Metformin Hcl | 283 | 58 |
| Tamsulosin Hcl | 271 | 39 |
| Lactulose |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nicholas Guittari's NPI number?
- Nicholas Guittari's National Provider Identifier (NPI) is 1841354537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Guittari's specialty?
- Nicholas Guittari is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Guittari located?
- Nicholas Guittari's practice location on file with NPPES is 946 Avenue C, Bayonne, NJ 07002-3026.
- What is Nicholas Guittari's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Guittari is (201) 436-3900.
- Does Nicholas Guittari accept Medicare?
- Nicholas Guittari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Guittari's NPI active?
- Yes — Nicholas Guittari's NPI (1841354537) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.