Michael Nicolai, MD
Internal Medicine Physician · Denville, NJ
Michael Nicolai, MD is an internal medicine physician with a practice address in Denville, New Jersey, and NPI 1144264029, issued on Jun 15, 2006. Check the license (New Jersey 25MA06081000, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael Nicolai
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA06081000 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 16 Pocono Road, Denville, NJ 07834
- Phone
- (973) 627-2650
- Enumerated
- Jun 15, 2006
- Record last updated
- Dec 10, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (973) 627-8383
- Medicaid ID
- 6306004 NJ
- Medicare enrollment
- Enrolled (PECOS I20060113000723); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Also registered at 16 Pocono Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Collum, MDInternal Medicine Physician1912941899
- Michael Demyen, MDGastroenterology Physician1568611465
- Robert Graffeo, DDSDentist1467660324
- Seth Levy, MDInternal Medicine Physician1316980782
- Alan Mufson, MDInternal Medicine Physician1134162506
- Harvey Nisselson, DDSPeriodontics1578754719
Verify Michael Nicolai 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 25MA06081000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% more Medicare Part D claims than the average internal medicine physician in 2024
6,224 Medicare Part D claims for 614 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 69 claims were for opioids.
Most prescribed
- Atorvastatin Calcium505 claims
- Amlodipine Besylate370 claims
- Levothyroxine Sodium331 claims
- Metformin Hcl208 claims
- Metoprolol Succinate160 claims
- Alprazolam158 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.
Industry payments in 2024: $818.23
65 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Consensus Medical Group LLCDenville, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Nicolai among 4,632 internal medicine physician records in New Jersey
Michael Nicolai, MD is one of 4,632 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, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1991 · median 2000 among the 3,132 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in Denville
They are 24 of the 807 NPPES records with a practice address in Denville, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Denville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Dana Banu, MDDenville, NJ 078341356366124
- Robert Collum, MDDenville, NJ 078341912941899
- Allan Denenberg, MDDenville, NJ 078341679501464
- Michael Gironta, DODenville, NJ 078341013985928
- Garine Kalaydjian, MDDenville, NJ 078341184657660
- Seth Levy, MDDenville, NJ 078341316980782
- Jose Lopez, M.D.Denville, NJ 078341427150846
- Sonali Maniar, M.DDenville, NJ 078341649476946
Common questions
What is Michael Nicolai, MD's NPI number?
Michael Nicolai, MD's National Provider Identifier (NPI) is 1144264029, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Nicolai, MD located?
The NPPES record lists a practice address at 16 Pocono Road, Denville, NJ, 07834. Phone: (973) 627-2650. Providers update this record themselves, so call before visiting.
How can I verify Michael Nicolai, MD's license?
NPPES lists New Jersey license number 25MA06081000, 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 Michael Nicolai, MD prescribe under Medicare Part D?
In 2024, Michael Nicolai, MD had 6,224 Medicare Part D claims for 614 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.