HAMILTON MEDICAL GROUP - PRINCETON MEDICINE
NPI 1891106498
Internal Medicine in Hamilton Square, NJ

Active since May 16, 2014
2275 HIGHWAY 33, STE 301, HAMILTON SQUARE, NJ 08690(609) 586-6006(609) 584-8664 Get Directions Write a Review

NPPES record last updated: November 16, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hamilton Medical Group - Princeton Medicine NPPES

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

HAMILTON MEDICAL GROUP - PRINCETON MEDICINE (NPI 1891106498) is a healthcare organization registered as an internal medicine in Hamilton Square, New Jersey and active in the NPI registry since May 2014. The organization lists Steven R Bergmann, President, as its authorized official.

NPPES Registry Identity

NPI1891106498
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NamePRINCETON HEALTHCARE AFFILIATED PHYSICIANS PC
Location Address2275 HIGHWAY 33, STE 301Hamilton Square, NJ 08690-1748
Mailing Address4 Princess Rd, Suite 207Lawrenceville, NJ 08648-2322 · (609) 243-0445 · Fax (609) 844-1092
Fax(609) 584-8664
Organization SubpartYes
Authorized OfficialSteven R BergmannPresident · (609) 853-7220
Enumeration DateMay 16, 2014
Last NPPES UpdateNovember 16, 2020
NPPES CertifiedNovember 16, 2020
✔ NPI 1891106498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2275 HIGHWAY 33, Hamilton Square, NJ 08690

Other Names 1

Doing Business AsHamilton Medical Group - Princeton Medicine

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hamilton Medical Group - Princeton Medicine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

249

Medicare enrollment records show 249 clinicians reassign Medicare billing to Hamilton Medical Group - Princeton Medicine, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 106 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 28

Internal Medicine56
Nurse Practitioner42
Hospitalist27
Anesthesiology21
Family Practice16
Obstetrics/Gynecology14
Psychiatry10
Certified Registered Nurse Anesthetist (CRNA)9
20 other specialties54

Nearest to this location (20)

See all 249
Internal Medicine
NPI 1669544003
2275 HIGHWAY 33 SUITE 301
Hamilton Square, NJ 08690
(609) 586-6006
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1871856864
2275 ROUTE 33 STE 301
Hamilton Square, NJ 08690
(609) 586-7833
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1689776122
2275 HIGHWAY 33 SUITE 301
Hamilton Square, NJ 08690
(609) 586-6006
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1730672692
1 WASHINGTON BLVD. SUITE A
Robbinsville, NJ 08691
(609) 448-4353
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1063584266
2275 HIGHWAY 33 SUITE 301
Hamilton Square, NJ 08690
(609) 586-6006
✔ PECOS✔ Accepts Medicare0.2 mi
Nurse Practitioner
NPI 1851359202
1 WASHINGTON BLVD STE A
Robbinsville, NJ 08691
(609) 448-4353
✔ PECOS✔ Accepts Medicare0.3 mi
Obstetrics/Gynecology
NPI 1508124025
1 UNION ST SUITE 106
Robbinsville, NJ 08691
(609) 252-8756
✔ PECOS0.3 mi
Family Practice
NPI 1184648149
1 WASHINGTON BLVD SUITE A
Trenton, NJ 08691
(609) 448-4353
✔ PECOS✔ Accepts Medicare0.4 mi
Family Practice
NPI 1942221957
1 WASHINGTON BLVD SUITE A
Robbinsville, NJ 08691
(609) 448-4353
✔ PECOS✔ Accepts Medicare0.4 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1952776551
2119 HIGHWAY 33 SUITE B
Hamilton Square, NJ 08690
(609) 581-5303
✔ PECOS✔ Accepts Medicare0.5 mi
Internal Medicine
NPI 1427185511
3606 NOTTINGHAM WAY
Hamilton Square, NJ 08690
(609) 587-9140
✔ PECOS1.6 mi
Psychiatry
NPI 1366562902
300 CLOCKTOWER DR
Hamilton, NJ 08690
(609) 683-3283
✔ PECOS✔ Accepts Medicare1.6 mi
Obstetrics/Gynecology
NPI 1407848237
1 HAMILTON HEALTH PL
Trenton, NJ 08690
(609) 631-6899
✔ PECOS✔ Accepts Medicare1.9 mi
Obstetrics/Gynecology
NPI 1003808841
1 HAMILTON HEALTH PL
Trenton, NJ 08690
(609) 631-6899
✔ PECOS✔ Accepts Medicare1.9 mi
Anesthesiology
NPI 1164412987
1 HAMILTON HEALTH PL
Hamilton, NJ 08690
(609) 631-6887
✔ PECOS✔ Accepts Medicare1.9 mi
Family Practice
NPI 1427312677
1 HAMILTON HEALTH PL
Hamilton, NJ 08690
(973) 251-1081
✔ PECOS✔ Accepts Medicare2.0 mi
Interventional Cardiology
NPI 1629269600
2073 KLOCKNER RD
Hamilton, NJ 08690
(609) 584-1212
✔ PECOS✔ Accepts Medicare2.5 mi
Neurology
NPI 1164520854
1445 WHITEHORSE MERCERVILLE RD STE 104
Hamilton, NJ 08619
(609) 537-7300
✔ PECOS✔ Accepts Medicare2.9 mi
Pulmonary Disease
NPI 1497999544
1315 WHITEHORSE MERCERVILLE RD STE 100
Hamilton, NJ 08619
(609) 853-7272
✔ PECOS✔ Accepts Medicare3.0 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1346552239
1235 WHITEHORSE MERCERVILLE RD BUILDING C, SUITE 310
Hamilton, NJ 08619
(609) 581-6610
✔ PECOS✔ Accepts Medicare3.0 mi
See all 249 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Princeton Healthcare Affiliated Physicians PC's NPI number?

The NPI number for Princeton Healthcare Affiliated Physicians PC is 1891106498. It was assigned to this organization in the NPPES registry on May 16, 2014. The provider is doing business as Hamilton Medical Group - Princeton Medicine.

Where is Princeton Healthcare Affiliated Physicians PC located?

Princeton Healthcare Affiliated Physicians PC is located at 2275 Highway 33 Ste 301, Hamilton Square, NJ 08690. The listed phone number is (609) 586-6006.

What is Princeton Healthcare Affiliated Physicians PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Princeton Healthcare Affiliated Physicians PC enrolled in Medicare?

Yes. Princeton Healthcare Affiliated Physicians PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Princeton Healthcare Affiliated Physicians PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 249 clinicians in 28 Medicare specialties reassign their Medicare billing to Princeton Healthcare Affiliated Physicians PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Internal Medicine (56), Nurse Practitioner (42) and Hospitalist (27). Of these, 3 practice at this address and 106 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Princeton Healthcare Affiliated Physicians PC accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Princeton Healthcare Affiliated Physicians PC 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 Princeton Healthcare Affiliated Physicians PC was last updated on November 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.