Ndidiamaka Onwubalili, M.D.
Reproductive Endocrinology Physician · Millburn, NJ
Ndidiamaka Onwubalili, M.D. is a reproductive endocrinology physician with a practice address in Millburn, New Jersey, and NPI 1851596696, issued on Jun 20, 2007. Check the license (New Jersey 25MA08394600, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ndidiamaka Onwubalili
- Credential
- M.D.
- Primary taxonomy
- Reproductive Endocrinology Physician 207VE0102X
- License number
- 25MA08394600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 89 Millburn Ave, Millburn, NJ 07041
- Phone
- (973) 761-5600
- Enumerated
- Jun 20, 2007
- Record last updated
- May 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (973) 761-5100
- Entity
- Type 1 · individual
8 nearest reproductive endocrinology physician records → All 79 in New Jersey → Look up another NPI →
Also registered at 89 Millburn Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arie Birkenfeld, M.D.Specialist1588748669
- Matan Yemini, MDSpecialist1255415345
Verify Ndidiamaka Onwubalili 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 25MA08394600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average reproductive endocrinology physician in 2024
18 Medicare Part D claims, against an average of 82 among the 302 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Estradiol14 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: $180.49
11 payments; by number, the most common kind was food and beverage; the largest payer was Ferring Pharmaceuticals Inc. The 1,066 providers of this specialty with any payment received $1,086.52 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.
Ndidiamaka Onwubalili among 79 reproductive endocrinology physician records in New Jersey
Ndidiamaka Onwubalili, M.D. is one of 79 reproductive endocrinology physician records with a practice address in New Jersey. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 37% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VE0102X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Reproductive Endocrinology Physician providers in New Jersey
There are 79 reproductive endocrinology physician records in New Jersey.
All 79 in New Jersey → Every provider in Millburn → Reproductive Endocrinology Physician nationwide →
The 8 reproductive endocrinology physician records with the nearest ZIP codes
- Natalie Cekleniak, MDLivingston, NJ 070391790803773
- Serena Chen, MDLivingston, NJ 070391598883571
- Margaret Garrisi, MDLivingston, NJ 070391780702761
- Sarah Hessler, M.D.Livingston, NJ 070391891927372
- Barry Perlman, DOLivingston, NJ 070391376963124
- Linda Robins, M.D.Upper Montclair, NJ 070431154579795
- Kaitlin Smith, PA-CWest Orange, NJ 070521497344311
- Sasha Prakash, M.D.Bayonne, NJ 070021417916701
Common questions
What is Ndidiamaka Onwubalili, M.D.'s NPI number?
Ndidiamaka Onwubalili, M.D.'s National Provider Identifier (NPI) is 1851596696, issued on Jun 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ndidiamaka Onwubalili, M.D. located?
The NPPES record lists a practice address at 89 Millburn Ave, Millburn, NJ, 07041. Phone: (973) 761-5600. Providers update this record themselves, so call before visiting.
How can I verify Ndidiamaka Onwubalili, M.D.'s license?
NPPES lists New Jersey license number 25MA08394600, 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 Ndidiamaka Onwubalili, M.D. prescribe under Medicare Part D?
In 2024, Ndidiamaka Onwubalili, M.D. had 18 Medicare Part D claims; the average among reproductive endocrinology physician prescribers was 82. 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.