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Internal Medicine

Nancy Gamarra Flores, MD

Works at hospitals in Munster, IN · Crown Point, IN · Dyer, IN … · Indiana

Summary

Dr. Nancy Gamarra Flores, MD is an internal medicine doctor at 5500 Hohman Ave, Suite 2a, Hammond, IN 46320. Phone: (219) 852-1505. Accepts Medicare assignment. In 2024, Nancy Gamarra Flores had 184 Original Medicare patients and 613 services. NPI 1710094685. 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 Nancy Gamarra Flores, 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 Nancy Gamarra Flores accept Medicare assignment?
Yes. Medicare's clinician data says Nancy Gamarra Flores 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 Nancy Gamarra Flores see?
In 2024, CMS data shows 184 Original Medicare patients and 613 services for Nancy Gamarra Flores. This counts Original Medicare only and measures volume, not quality.
What is Nancy Gamarra Flores's NPI number?
1710094685. 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 Nancy Gamarra Flores, 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 patients184
Services billed to Medicare613
Different services or procedures23
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)229 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)127 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)123 services
  4. Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use (90677)15 services
  5. Administration of pneumococcal vaccine (G0009)15 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 pressure71%
  • Arthritis43%
  • Diabetes35%
  • Anxiety27%
  • Ischemic heart disease23%

Hospitals where Nancy Gamarra Flores works

Medicare's Facility Affiliation Data lists Nancy Gamarra Flores 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.

Practice locations

Addresses where Nancy Gamarra Flores is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nancy Gamarra Flores as a member of this group (CMS data updated October 2, 2026).

  • Franciscan Physician Network1,170 clinicians in the group

Specialties

Find other Internal Medicine doctors in Indiana →

Other internal medicine doctors in Hammond

Clinicians with the same Medicare primary specialty in Hammond, IN — not a recommendation.

All internal medicine doctors in Hammond →

Other clinicians in Franciscan Physician Network

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

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1710094685
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