William E. Macmillan, M.D.
Maternal & Fetal Medicine Physician · New Brunswick, NJ
William E. Macmillan, M.D. is a maternal & fetal medicine physician with a practice address in New Brunswick, New Jersey, and NPI 1326015025, issued on Mar 2, 2006. Check the license (New Jersey 25MA07852600, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William E. Macmillan
- Credential
- M.D.
- Primary taxonomy
- Maternal & Fetal Medicine Physician 207VM0101X
- License number
- 25MA07852600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 125 Paterson St, New Brunswick, NJ 08901
- Phone
- (732) 235-6633
- Enumerated
- Mar 2, 2006
- Record last updated
- Sep 23, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (732) 235-6627
- Medicaid ID
- 0060615 NJ
- Medicare enrollment
- Enrolled (PECOS I20050302000915); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest maternal & fetal medicine physician records → All 112 in New Jersey → Look up another NPI →
Also registered at 125 Paterson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David AdekanyeStudent in an Organized Health Care Education/Training Program1235712175
- Hesham Ahmed, M.D.Surgical Critical Care Physician1104015056
- Yasemin Akinci, M.D.Student in an Organized Health Care Education/Training Program1912641507
- Catherine Albrecht, FNPNurse Practitioner1710242623
- Louis Amorosa, MDEndocrinology, Diabetes & Metabolism Physician1265519383
- Susan Anderson, R.N.Certified Registered Nurse Anesthetist1154795607
Verify William E. Macmillan 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 25MA07852600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Rutgers Health-Rwj Scleroderma ProgramNew Brunswick, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William E. Macmillan among 112 maternal & fetal medicine physician records in New Jersey
William E. Macmillan, M.D. is one of 112 maternal & fetal medicine physician records with a practice address in New Jersey. 78% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 43% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1985 · median 1997 among the 75 with a school on file
- Record last updated2008 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VM0101X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Maternal & Fetal Medicine Physician providers in New Jersey
There are 112 maternal & fetal medicine physician records in New Jersey.
All 112 in New Jersey → Every provider in New Brunswick → Maternal & Fetal Medicine Physician nationwide →
The 8 maternal & fetal medicine physician records with the nearest ZIP codes
- Adeola Awomolo, MDNew Brunswick, NJ 089011013406818
- Justin Brandt, M.D.New Brunswick, NJ 089011184884140
- Revital Faro, M.D.New Brunswick, NJ 089011275892812
- Janelle Foroutan, M.D.New Brunswick, NJ 089011215222534
- Christopher Houlihan, MDNew Brunswick, NJ 089011114983590
- Julia Knypinski, M.D.New Brunswick, NJ 089011902253255
- Bijal Parikh, M.D.New Brunswick, NJ 089011720519051
- Ashley Roman, M.D.New Brunswick, NJ 089011528052909
Common questions
What is William E. Macmillan, M.D.'s NPI number?
William E. Macmillan, M.D.'s National Provider Identifier (NPI) is 1326015025, issued on Mar 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William E. Macmillan, M.D. located?
The NPPES record lists a practice address at 125 Paterson St, New Brunswick, NJ, 08901. Phone: (732) 235-6633. Providers update this record themselves, so call before visiting.
How can I verify William E. Macmillan, M.D.'s license?
NPPES lists New Jersey license number 25MA07852600, 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.
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.