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JENNIFER GROM MD
NPI 1780212118
Internal Medicine in New Haven, CT

Active since March 31, 2020PECOS EnrolledAccepts Medicare Assignment
20 YORK ST, NEW HAVEN, CT 06510(203) 737-1947 Get Directions Write a Review

NPPES record last updated: March 31, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 31, 2025, Mar 9, 2025, Jul 2, 2024 and 1 more (4 updates tracked since 2020).

About Jennifer Grom Md NPPES

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

JENNIFER GROM MD (NPI 1780212118) is an individual internal medicine provider in New Haven, Connecticut, licensed in Connecticut (80411) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Icahn School Of Medicine At Mount Sinai (2020).

NPPES Registry Identity

NPI1780212118
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJENNIFER GROMCredential: MD
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing Address20 York StNew Haven, CT 06510-3220
Phone(203) 737-1947
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 2020
Enumeration DateMarch 31, 2020
Last NPPES UpdateMarch 31, 20254 updates tracked since enumeration
NPPES CertifiedMarch 23, 2025
✔ NPI 1780212118 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CT · 80411✔ Licensed in MA · 1019112
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 ListedPediatricsTaxonomy 208000000X · License 80411 (CT), 1019112 (MA)
20 YORK ST, New Haven, CT 06510
Open in Google Maps ↗

Secondary Practice Locations 4

Location 11153 Centre StJamaica Plain, MA 02130-3446 · Phone (617) 983-7000
Location 28 Devine StNorth Haven, CT 06473-2172 · Phone (203) 287-3550
Location 355 Fruit StBoston, MA 02114-2621 · Phone (617) 726-2000
Location 43400 Main St Ste ASpringfield, MA 01107-1113 · Phone (413) 794-9560 · Fax (413) 794-5884

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

Jennifer Grom 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 ID244650489
PECOS Enrollment IDI20250522003452
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 06510 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.

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.

AUDREY P SENIOR APRN
Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-5860
DR. YEISID F FIGUEREDO M.D.
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2320
YALE NEW HAVEN HOSPITAL
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2046
TAYLOR KINGSTON
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-9185
DR. TRAVIS DANIEL BONTRAGER MD
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-1734
NEEHARIKA THOTTEMPUDI MBBS
Psychiatry & Neurology (Neurology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242
TERESA JOSEPH D.O.
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 737-8894
MR. BRAD ST. MARTIN MD
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242

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 Jennifer Grom's NPI number?

The NPI number for Jennifer Grom is 1780212118. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Jennifer Grom located?

Jennifer Grom practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 737-1947.

What is Jennifer Grom's specialty?

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

Is Jennifer Grom enrolled in Medicare?

Yes. Jennifer Grom 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.

When was this NPI record last updated?

The NPPES record for Jennifer Grom was last updated on March 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.