Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Monica M. Jain, MD

Works at hospitals in Bridgeport, CT · Greenwich, CT · Norwalk, CT · Connecticut

Summary

Dr. Monica M. Jain, MD is an internal medicine doctor at 1931 Black Rock Tpke, Fairfield, CT 06825. Phone: (203) 384-8681. Accepts Medicare assignment. In 2024, Monica M. Jain had 167 Original Medicare patients and 1,059 services. NPI 1568423838. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Monica M. Jain, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Monica M. Jain accept Medicare assignment?
Yes. Medicare's clinician data says Monica M. Jain accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Monica M. Jain see?
In 2024, CMS data shows 167 Original Medicare patients and 1,059 services for Monica M. Jain. This counts Original Medicare only and measures volume, not quality.
What is Monica M. Jain's NPI number?
1568423838. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Monica M. Jain, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients167
Services billed to Medicare1,059
Different services or procedures31
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)201 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)150 services
  3. Urinalysis, manual test (81002)145 services
  4. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)138 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)111 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure43%
  • Arthritis42%
  • Osteoporosis24%
  • Anxiety22%
  • Depression16%

Hospitals where Monica M. Jain works

Medicare's Facility Affiliation Data lists Monica M. Jain at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Bridgeport HospitalBridgeport, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070010
  • Greenwich Hospital Association -Greenwich, CT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 070018
  • Norwalk HospitalNorwalk, CT · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 070034
  • St Vincent's Medical CenterBridgeport, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070028

Practice locations

Addresses where Monica M. Jain is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Monica M. Jain as a member of this group (CMS data updated October 2, 2026).

  • Rehabilitation Associates Inc529 clinicians in the group

Specialties

Find other Internal Medicine doctors in Connecticut →

Other internal medicine doctors in Fairfield

Clinicians with the same Medicare primary specialty in Fairfield, CT — not a recommendation.

All internal medicine doctors in Fairfield →

Other clinicians in Rehabilitation Associates Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1568423838
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians