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MIDDLESEX MEDICAL GROUP
NPI 1538158779
Internal Medicine in Edison, NJ

Active since October 20, 2005CLIA 31D0985219 · Waiver
225 MAY ST, SUITE E, EDISON, NJ 08837(732) 661-2020(732) 661-2022 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Middlesex Medical Group NPPES

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

MIDDLESEX MEDICAL GROUP (NPI 1538158779) is a healthcare organization registered as an internal medicine in Edison, New Jersey and active in the NPI registry since October 2005. The organization holds a CLIA Waiver certificate valid through March 13, 2028 and lists Richard Barry Bullock, President, as its authorized official.

NPPES Registry Identity

NPI1538158779
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMIDDLESEX MEDICAL GROUP
Location Address225 MAY ST, SUITE EEdison, NJ 08837-3266
Mailing Address225 May St, Suite EEdison, NJ 08837-3266 · (732) 661-2020 · Fax (732) 661-2022
Phone(732) 661-2020
Fax(732) 661-2022
Organization SubpartNo
Authorized OfficialRichard Barry BullockPresident · (732) 661-2020
Enumeration DateOctober 20, 2005
Last NPPES UpdateAugust 22, 2020
✔ NPI 1538158779 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.
225 MAY ST, Edison, NJ 08837
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Other Identifiers 1

Medicaid8325804NJ

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 31D0985219

Middlesex Medical Group · Edison, NJ
Active · expires Mar 13, 2028
CLIA Number31D0985219
Laboratory TypePhysician Office
Certificate Effective DateMarch 14, 2026
Certificate Expiration DateMarch 13, 2028
Laboratory DirectorRichard B. Bullock
Laboratory Phone(732) 661-2020
Laboratory LocationMiddlesex Medical Group225 May Street Suite E, Edison, NJ 08837
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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. MALVIN S KELLER M.D.
Internal Medicine (Cardiovascular Disease)
225 MAY ST, SUITE F
EDISON, NJ 08837
Middlesex County (732) 738-8855
DR. LINDA MARIE NERI MD
Surgery
225 MAY ST, SUITE B
EDISON, NJ 08837
Middlesex County (732) 738-9292
MRS. BHAVANA REBBA M.D.
Internal Medicine
225 MAY ST, SUITE F
EDISON, NJ 08837
Middlesex County (732) 738-6232
MRS. VALSAMMA JOSEPH ANP-C
Nurse Practitioner (Adult Health)
225 MAY ST, SUITE F
EDISON, NJ 08837
Middlesex County (732) 738-8855
ANANGUR P SWAMINATHAN MD
Surgery
225 MAY ST, SUITE A
EDISON, NJ 08837
Middlesex County (732) 346-5400
MALGORZATA KUZA
Clinic/Center (Primary Care)
225 MAY ST, SUITE B
EDISON, NJ 08837
Middlesex County (732) 738-8837
DR. PETER CONRAD ROBLEJO M.D.
Psychiatry & Neurology (Neurology)
225 MAY ST
EDISON, NJ 08837
Middlesex County (723) 738-8830
DR. MARVIN A RUBINSTEIN M.D.
Internal Medicine (Cardiovascular Disease)
225 MAY ST, SUITE F
EDISON, NJ 08837
Middlesex County (732) 738-8855

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 Middlesex Medical Group's NPI number?

The NPI number for Middlesex Medical Group is 1538158779. It was assigned to this organization in the NPPES registry on October 20, 2005.

Where is Middlesex Medical Group located?

Middlesex Medical Group is located at 225 May St Suite E, Edison, NJ 08837. The listed phone number is (732) 661-2020.

What is Middlesex Medical Group's specialty?

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

Does Middlesex Medical Group hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 31D0985219) is associated with this NPI, valid through March 13, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Middlesex Medical Group was last updated on August 22, 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.