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WILLIAM E MACMILLAN M.D.
NPI 1326015025
Obstetrics & Gynecology - Maternal & Fetal Medicine in New Brunswick, NJ

Active since March 02, 2006PECOS EnrolledAccepts Medicare Assignment
125 PATERSON ST, DEPT. OF OB/GYN CAB 4200, NEW BRUNSWICK, NJ 08901(732) 235-6633(732) 235-6627 Get Directions Write a Review

NPPES record last updated: September 23, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William E Macmillan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM E MACMILLAN M.D. (NPI 1326015025) is an individual maternal & fetal medicine provider in New Brunswick, New Jersey, licensed in New Jersey (25MA07852600) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Wisconsin School Of Medicine (1985).

NPPES Registry Identity

NPI1326015025
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameWILLIAM E MACMILLANCredential: M.D.
Location Address125 PATERSON ST, DEPT. OF OB/GYN CAB 4200New Brunswick, NJ 08901-1962
Mailing Address125 Paterson St, Dept. Of Ob/gyn Cab-2141New Brunswick, NJ 08901-1962 · (732) 235-6633 · Fax (732) 235-6627
Phone(732) 235-6633
Fax(732) 235-6627
Sole ProprietorYes
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 1985
Enumeration DateMarch 2, 2006
Last NPPES UpdateSeptember 23, 2008
✔ NPI 1326015025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in NJ · 25MA07852600
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
125 PATERSON ST, New Brunswick, NJ 08901
Open in Google Maps ↗

Other Identifiers 4

Medicare ID-Type Unspecified088385NJ
Medicaid0060615NJ
Medicare PIN088385PQ0NJ
Medicare UPINE17655NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

William E Macmillan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6305899238
PECOS Enrollment IDI20050302000915
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RICARDO E VERDINER MD
Anesthesiology (Critical Care Medicine)
125 PATERSON ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-6155
DR. IMRAN KHAN M.D., PH.D.
Internal Medicine
125 PATERSON ST, SUITE 5200
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-6531
RUTGERS HEALTH-RWJ SCLERODERMA PROGRAM
Internal Medicine (Rheumatology)
125 PATERSON ST, SUITE 5200A
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-7217
DOROTEA DEFRANCESCO PA
Physician Assistant (Surgical)
125 PATERSON ST, SUITE 4100
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-7800
KRISH KHATRI M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
125 PATERSON ST
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-7751
ADEOLA AWOMOLO MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
125 PATERSON ST
NEW BRUNSWICK, NJ 08901
Middlesex County (718) 909-4661
DR. MANISH S PATEL MD
Internal Medicine
125 PATERSON ST, ROOM 2330
NEW BRUNSWICK, NJ 08901
Middlesex County (732) 235-6539
FRANK JIANG
Internal Medicine
125 PATERSON ST, CLINICAL ACADEMIC BUILDING - SUITE 5100A
NEW BRUNSWICK, NJ 08901
Middlesex County (832) 235-6968

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Macmillan's NPI number?

The NPI number for William Macmillan is 1326015025. It was assigned to this individual provider in the NPPES registry on March 2, 2006.

Where is William Macmillan located?

William Macmillan practices at 125 Paterson St Dept. Of Ob/Gyn Cab 4200, New Brunswick, NJ 08901. The listed phone number is (732) 235-6633.

What is William Macmillan's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is William Macmillan enrolled in Medicare?

Yes. William Macmillan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Macmillan accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list William Macmillan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Macmillan was last updated on September 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.