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DR. UDAY SHANKAR M.D.
NPI 1578849519
Internal Medicine - Gastroenterology in Waterbury, CT

Active since October 21, 2011PECOS EnrolledAccepts Medicare Assignment
3801 E MAIN ST FL 2, WATERBURY, CT 06705(203) 709-4001 Get Directions Write a Review

NPPES record last updated: October 28, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 30, 2019, Apr 1, 2019 (2 updates tracked since 2019).

About Dr. Uday Shankar M.d. NPPES

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

DR. UDAY SHANKAR M.D. (NPI 1578849519) is an individual gastroenterology provider in Waterbury, Connecticut, licensed in Connecticut (62492) and active in the NPI registry since October 2011. He is enrolled in Medicare PECOS, maintains a secondary practice location in Aventura, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1578849519
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. UDAY SHANKARCredential: M.D.
Location Address3801 E MAIN ST FL 2Waterbury, CT 06705
Mailing Address3801 E Main St Fl 2Waterbury, CT 06705-3815 · (203) 709-4001
Phone(203) 709-4001
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateOctober 21, 2011
Last NPPES UpdateOctober 28, 20212 updates tracked since enumeration
NPPES CertifiedOctober 28, 2021
✔ NPI 1578849519 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CT · 62492
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 003922 (NY)
3801 E MAIN ST FL 2, Waterbury, CT 06705
Open in Google Maps ↗

Secondary Practice Location 1

Location 120900 Biscayne Blvd, Division of Hospital MedicineAventura, FL 33180-1407 · Phone (201) 706-1164

Other Identifiers 2

Other62492CT · Medical License
OtherME114150FL · Florida License

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. Uday Shankar 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 ID3072769694
PECOS Enrollment IDI20190613002108
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 Reassignment

Medicare enrollment records show Uday Shankar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Trinity Health Of New England Provider Network Organization Inc
21 mi
Internal Medicine
114 WOODLAND ST, SAINT FRANCIS MEDICAL GROUP INC.
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,186 clinicians in this Medicare group
NPI 1003882812 (860) 714-1325

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 10

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 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.
70 services41 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
67 services63 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
45 services44 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
43 services42 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
39 services31 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
29 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06705 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.

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 Uday Shankar's NPI number?

The NPI number for Uday Shankar is 1578849519. It was assigned to this individual provider in the NPPES registry on October 21, 2011.

Where is Uday Shankar located?

Uday Shankar practices at 3801 E Main St Fl 2, Waterbury, CT 06705. The listed phone number is (203) 709-4001.

What is Uday Shankar's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Uday Shankar enrolled in Medicare?

Yes. Uday Shankar 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 organization bills Medicare for Uday Shankar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Uday Shankar reassigns Medicare benefits to Trinity Health Of New England Provider Network Organization Inc (Hartford, CT). The 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 Uday Shankar'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 Uday Shankar was last updated on October 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.