DR. AMIT MAHAJAN MD
NPI 1710018304
Internal Medicine in Trumbull, CT

Q: What is Amit Mahajan's NPI number?

The NPI number for Amit Mahajan is 1710018304. It was assigned to this individual provider in the NPPES registry on March 8, 2007.

Q: What is Amit Mahajan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Amit Mahajan was last updated on August 10, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since March 08, 2007PECOS EnrolledAccepts Medicare Assignment

73.56/100

CMS Quality Rating

28 SPLIT ROCK RD, TRUMBULL, CT 06611(203) 685-6976(203) 445-1699 Get Directions Write a Review

NPPES record last updated: August 10, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Amit Mahajan Md NPPES

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

DR. AMIT MAHAJAN MD (NPI 1710018304) is an individual internal medicine provider in Trumbull, Connecticut, licensed in Connecticut (040955) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1710018304

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. AMIT MAHAJANCredential: MD

Location Address28 SPLIT ROCK RDTrumbull, CT 06611-2650

Mailing Address28 Split Rock RdTrumbull, CT 06611-2650 · (203) 685-6976 · Fax (203) 445-1699

Phone(203) 685-6976

Fax(203) 445-1699

Sole ProprietorNo

Medical School CMSOtherGraduated 1991

Enumeration DateMarch 8, 2007

Last NPPES UpdateAugust 10, 2010

✔ NPI 1710018304 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CT · 040955

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.

Also ListedInternal Medicine · Magnetic Resonance Imaging (MRI)Taxonomy 207RM1200X · License 040955 (CT)

Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X · License 040955 (CT)

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 040955 (CT)

28 SPLIT ROCK RD, Trumbull, CT 06611

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Other Identifiers 2

Other2V5074CT · Health Net

Medicare UPIN101663CT

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Amit Mahajan Md 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 ID9739175423

PECOS Enrollment IDI20040420001305

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.

Medicare Billing Reassignments

Medicare enrollment records show Amit Mahajan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orthopaedic Specialty Group, P.C.

8.3 mi

Orthopaedic Surgery

305 BLACK ROCK TPKE
Fairfield, CT 06825

Reassigned Medicare billing, Connecticut enrollment
Medicare enrollment name: Orthopaedic Specialty Group PC
81 clinicians in this Medicare group

NPI 1558313767 (203) 337-2600

Yale University

13 mi

Advanced Practice Midwife

100 CHURCH ST S STE 200, YALE SCHOOL OF NURSING
New Haven, CT 06519

Reassigned Medicare billing, Connecticut enrollment
3,728 clinicians in this Medicare group

NPI 1124148887 (203) 737-5432

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

Areas of Expertise CMS Part B claims 20

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

142 services136 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

137 services130 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

114 services114 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

110 services110 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

68 services68 patients

Mri scan of brain before and after contrast 70553

44 services43 patients

Mri scan of brain without contrast 70551

35 services35 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

27 services27 patients

Mri scan of lower spinal canal before and after contrast 72158

An MRI scan of the lower spinal canal with contrast is a non-invasive imaging procedure. It uses magnetic fields to generate detailed images of your lower spine. A contrast agent is injected to enhance these images, helping doctors see issues more clearly.

26 services25 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

25 services25 patients

Mri scan of blood vessels of head without contrast 70544

An MRI scan of the head's blood vessels without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the blood vessels in your head. This helps doctors diagnose conditions such as stroke, aneurysm, or other vascular disorders.

17 services17 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

16 services16 patients

Mri scan of upper spinal canal before and after contrast 72156

An MRI scan of the upper spinal canal before and after contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. Contrast dye is injected to enhance these images, providing clearer visuals for accurate diagnosis.

15 services15 patients

Mri scan of middle spinal canal before and after contrast 72157

An MRI scan of the middle spinal canal with contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your spine, both before and after a contrast dye is injected. The dye helps to highlight certain structures, providing a clearer picture for diagnosis.

15 services15 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

14 services14 patients

Ct scan of soft tissue of neck before and after contrast 70492

A CT scan of the neck's soft tissue uses special X-ray equipment to create detailed pictures of your neck's structures. Contrast dye is injected to make certain areas more visible. It helps in diagnosing conditions like infections, tumors, or injuries.

12 services12 patients

Mri scan of lower spinal canal without contrast 72148

12 services12 patients

Mri scan of bone of eye socket, face, and/or neck before and after contrast 70543

An MRI scan of the eye socket, face, and/or neck uses magnetic fields to create detailed images of these areas. Contrast dye helps highlight specific tissues for clearer pictures. It's non-invasive, aids in detecting abnormalities, and guides treatment plans.

11 services11 patients

Mri scan of brain with contrast 70552

An MRI scan of the brain with contrast is a non-invasive imaging test. A dye is injected into a vein to enhance the images. The scan uses magnetic fields and radio waves to create detailed pictures of your brain, helping to identify abnormalities or diseases.

11 services11 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06611 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

$138.84 typical visit price

range $60.82 – $183.10

Typical copayment $34.71 (range $15.20 – $45.77)

Most-billed visit code 99204

Established Patient

$106.68 typical visit price

range $19.76 – $149.26

Typical copayment $26.67 (range $4.94 – $37.31)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.56/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

75.84

Promoting Interoperability

Improvement Activities

Cost

51.43

Other Providers at the Same Location NPPES

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

AMIT MAHAJAN LLC

Clinic/Center (Medical Specialty)

28 SPLIT ROCK RD
TRUMBULL, CT 06611

Greater Bridgeport Planning Region (203) 685-6976

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 Amit Mahajan's NPI number?

The NPI number for Amit Mahajan is 1710018304. It was assigned to this individual provider in the NPPES registry on March 8, 2007.

Where is Amit Mahajan located?

Amit Mahajan practices at 28 Split Rock Rd, Trumbull, CT 06611. The listed phone number is (203) 685-6976.

What is Amit Mahajan's specialty?

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

Is Amit Mahajan enrolled in Medicare?

Yes. Amit Mahajan 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.

Which organizations bill Medicare for Amit Mahajan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amit Mahajan reassigns Medicare benefits to 2 organizations: Orthopaedic Specialty Group, P.C. (Fairfield, CT) and Yale University (New Haven, CT). Each 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 Amit Mahajan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Amit Mahajan was last updated on August 10, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.