1. Home
  2. Directory
  3. Connecticut
  4. New Haven
  5. Internal Medicine
  6. NPI Profile

DR. NIVEDITA AGARWAL M.D.
NPI 1790021848
Internal Medicine - Obesity Medicine in New Haven, CT

Active since December 18, 2012PECOS EnrolledAccepts Medicare Assignment
20 YORK STREET, CB-2041, NEW HAVEN, CT 06510(203) 688-4748(203) 688-4740 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 9, 2025, Jan 17, 2020, May 10, 2018 (3 updates tracked since 2018).

About Dr. Nivedita Agarwal M.d. NPPES

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

DR. NIVEDITA AGARWAL M.D. (NPI 1790021848) is an individual obesity medicine provider in New Haven, Connecticut, licensed in Connecticut (64500) and active in the NPI registry since December 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Salinas, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1790021848
Entity TypeIndividualFemale
Primary Taxonomy207RB0002X
Provider Legal NameDR. NIVEDITA AGARWALCredential: M.D.
Location Address20 YORK STREET, CB-2041New Haven, CT 06510-3220
Mailing Address20 York Street, Cb-2041New Haven, CT 06510-3220 · (203) 688-4748 · Fax (203) 688-4740
Phone(203) 688-4748
Fax(203) 688-4740
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateDecember 18, 2012
Last NPPES UpdateSeptember 9, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2025
✔ NPI 1790021848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Obesity MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RB0002X
License✔ Licensed in CT · 64500
Definition
An internal medicine physician who specializes in the treatment of obesity demonstrates competency in and a thorough understanding of the treatment of obesity and the genetic, biologic, environmental, social, and behavioral factors that contribute to obesity. The obesity medicine physician employs therapeutic interventions including diet, physical activity, behavioral change, and pharmacotherapy. The obesity medicine physician utilizes a comprehensive approach, and may include additional resources such as dietitians, exercise physiologists, mental health professionals and bariatric surgeons as indicated to achieve optimal results. Additionally, the obesity medicine physician maintains competency in providing pre- peri- and post-surgical care of bariatric surgery patients, promotes the prevention of obesity, and advocates for those who suffer from obesity.
Also ListedInternal MedicineTaxonomy 207R00000X · License 267993 (NY), A123379 (CA)
Also ListedHospitalistTaxonomy 208M00000X · License 64500 (CT)

Secondary Practice Location 1

Location 1450 E Romie LnSalinas, CA 93901-4029 · Phone (831) 759-3257 · Fax (831) 754-3875

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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. Nivedita Agarwal 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 ID9032356225
PECOS Enrollment IDI20200213000155
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

9

Medicare enrollment records show Nivedita Agarwal reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Astrana Care Hospitalists, A Medical Corporation
Hospitalist
1680 S GARFIELD AVE # 204
Alhambra, CA 91801
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Apollomed Hospitalists A Medical Corporation
  • 25 clinicians in this Medicare group
NPI 1265658595 (626) 943-6476
County Of Santa Clara
Federally Qualified Health Center (FQHC)
2101 ALEXIAN DR
San Jose, CA 95116
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1073265914 (California), NPI 1043354020 (California)
  • 1,232 clinicians in this Medicare group
NPI 1629301346 (408) 885-5000
Hartford Healthcare Medical Group Specialists, PLLC
Surgery
85 SEYMOUR ST STE 415
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,921 clinicians in this Medicare group
NPI 1023584216 (860) 246-2071
Hospitalist Medicine Physicians Of California, Inc
Internal Medicine
18300 US HIGHWAY 18
Apple Valley, CA 92307
  • Reassigned Medicare billing, California enrollment
  • 914 clinicians in this Medicare group
NPI 1184663965 (760) 946-4233
Inpatient Specialists Of California, PC
Internal Medicine
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 1,216 clinicians in this Medicare group
NPI 1952792475 (615) 377-5658
Midstate Medical Center
General Acute Care Hospital
435 LEWIS AVE
Meriden, CT 06451
  • Reassigned Medicare billing, Connecticut enrollment
  • 505 clinicians in this Medicare group
NPI 1154425288 (860) 696-6287
Northeast Medical Group, Inc.
Internal Medicine
226 MILL HILL AVENUE, 3RD FLR
Bridgeport, CT 06610
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,824 clinicians in this Medicare group
NPI 1043278351 (203) 384-3975
Svmhs Clinics
Multi-Specialty
505 E ROMIE LN STE A
Salinas, CA 93901
  • Reassigned Medicare billing, California enrollment
  • 310 clinicians in this Medicare group
NPI 1093158347 (831) 755-1701
The Hospital Of Central Connecticut At New Britain General And Bradley
General Acute Care Hospital
100 GRAND ST
New Britain, CT 06052
  • Reassigned Medicare billing, Connecticut enrollment
  • 745 clinicians in this Medicare group
NPI 1053477075 (860) 224-5011

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
15 services13 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
12 services11 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
11 services11 patients

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.

ALINA RAKHUBA MD
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
MARIBEL CABRERA MARTINEZ M.D.
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
OMAR YASSER ABED SHAKHTOUR MBBS
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (036) 884-7482
SCOTT NAVARRETT M.D.
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
DR. PHYLLIS TAWIAH MD
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
MISS DANIELLE PAZIENZA PA-C
Physician Assistant (Medical)
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
DR. NIDHI SHAH M.D.
Hospitalist
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748
DR. OSAMA KANDALAFT MD
Internal Medicine
20 YORK STREET, CB-2041
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4748

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 Nivedita Agarwal's NPI number?

The NPI number for Nivedita Agarwal is 1790021848. It was assigned to this individual provider in the NPPES registry on December 18, 2012.

Where is Nivedita Agarwal located?

Nivedita Agarwal practices at 20 York Street, Cb-2041, New Haven, CT 06510. The listed phone number is (203) 688-4748.

What is Nivedita Agarwal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Obesity Medicine, with taxonomy code 207RB0002X.

Is Nivedita Agarwal enrolled in Medicare?

Yes. Nivedita Agarwal 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 Nivedita Agarwal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nivedita Agarwal reassigns Medicare benefits to 9 organizations: Astrana Care Hospitalists, A Medical Corporation (Alhambra, CA), County Of Santa Clara (San Jose, CA), Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT), Hospitalist Medicine Physicians Of California, Inc (Apple Valley, CA), Inpatient Specialists Of California, PC (San Bernardino, CA) and 4 more organizations, listed in the Medicare section above. 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 Nivedita Agarwal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nivedita Agarwal accept?

Health plans from Anthem Blue Cross and Blue Shield list Nivedita Agarwal 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 Nivedita Agarwal was last updated on September 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.