Nicholas Stephen Guittari, M. D.
Geriatric Medicine (Internal Medicine) Physician · Bayonne, NJ
Nicholas Stephen Guittari, M. D. is a geriatric medicine (internal medicine) physician with a practice address in Bayonne, New Jersey, and NPI 1841354537, issued on Dec 20, 2006. Check the license (New Jersey MA050552, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Nicholas Stephen Guittari
- Credential
- M. D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- MA050552 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 946 Avenue C, Bayonne, NJ 07002
- Phone
- (201) 436-3900
- Enumerated
- Dec 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (973) 746-8508
- Medicaid ID
- 4511409 NJ
- Medicare enrollment
- Enrolled (PECOS I20050622000771); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 165 in New Jersey → Look up another NPI →
Also registered at 946 Avenue C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Smith, MDInternal Medicine Physician1912968306
Verify Nicholas Stephen Guittari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license MA050552Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average geriatric medicine (internal medicine) physician in 2024
10,730 Medicare Part D claims for 398 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 167 claims were for opioids.
Most prescribed
- Amlodipine Besylate704 claims
- Atorvastatin Calcium660 claims
- Eliquis350 claims
- Pantoprazole Sodium335 claims
- Metformin Hcl283 claims
- Tamsulosin Hcl271 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Nicholas Stephen Guittari among 165 geriatric medicine (internal medicine) physician records in New Jersey
Nicholas Stephen Guittari, M. D. is one of 165 geriatric medicine (internal medicine) physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 42% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1986 · median 1996 among the 106 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in New Jersey
There are 165 geriatric medicine (internal medicine) physician records in New Jersey.
All 165 in New Jersey → Every provider in Bayonne → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Hammad Choudhry, M.D.Bayonne, NJ 070021346285079
- Douglas Ratner, MDBayonne, NJ 070021831166156
- Noam ZeffrenBayonne, NJ 070021700373750
- Pradip Shah, M.D.West Caldwell, NJ 070061326059320
- Kavita Gupta, MDCedar Grove, NJ 070091073833554
- Antoinette Costa, M.D.East Orange, NJ 070181790791671
- Terri Katz, M.DFort Lee, NJ 070241588764005
- Muthu Arunachalam, M.D.,Livingston, NJ 070391457497356
Common questions
What is Nicholas Stephen Guittari, M. D.'s NPI number?
Nicholas Stephen Guittari, M. D.'s National Provider Identifier (NPI) is 1841354537, issued on Dec 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Stephen Guittari, M. D. located?
The NPPES record lists a practice address at 946 Avenue C, Bayonne, NJ, 07002. Phone: (201) 436-3900. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Stephen Guittari, M. D.'s license?
NPPES lists New Jersey license number MA050552, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicholas Stephen Guittari, M. D. prescribe under Medicare Part D?
In 2024, Nicholas Stephen Guittari, M. D. had 10,730 Medicare Part D claims for 398 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.