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NANCY FABIOLA GAMARRA FLORES M.D.
NPI 1710094685
Internal Medicine in Dyer, IN

Active since August 24, 2006PECOS EnrolledAccepts Medicare Assignment
919 MAIN ST STE 102, DYER, IN 46311(219) 934-2492(219) 934-2493 Get Directions Write a Review

NPPES record last updated: September 8, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 8, 2023, Oct 27, 2022, Oct 21, 2022 and 1 more (4 updates tracked since 2022).

About Nancy Fabiola Gamarra Flores M.d. NPPES

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

NANCY FABIOLA GAMARRA FLORES M.D. (NPI 1710094685) is an individual internal medicine provider in Dyer, Indiana, licensed in Indiana (01087333A) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Franciscan Health Michigan City, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1710094685
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameNANCY FABIOLA GAMARRA FLORESCredential: M.D.
Location Address919 MAIN ST STE 102Dyer, IN 46311-3717
Mailing AddressPo Box 781076Detroit, MI 48278-1076 · (317) 528-4800 · Fax (317) 865-1479
Phone(219) 934-2492
Fax(219) 934-2493
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateAugust 24, 2006
Last NPPES UpdateSeptember 8, 20234 updates tracked since enumeration
NPPES CertifiedSeptember 8, 2023
✔ NPI 1710094685 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IN · 01087333A
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 ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X · License 036-099560 (IL), 01087333A (IN)
919 MAIN ST STE 102, Dyer, IN 46311
Open in Google Maps ↗

Secondary Practice Locations 3

Location 15500 Hohman Ave Ste 2AHammond, IN 46320-1942 · Phone (219) 933-2291 · Fax (219) 933-2295
Location 23229-43 W 47th PlChicago, IL 60632-3011 · Phone (773) 254-6044 · Fax (773) 254-6115
Location 35529 Hohman AveHammond, IN 46320-1936 · Phone (219) 933-2291 · Fax (219) 933-2295

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Nancy Fabiola Gamarra Flores 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 ID3072504497
PECOS Enrollment IDI20220708001857
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 Nancy Gamarra Flores reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Franciscan Physician Network
68 mi
Urgent Care
1515 W DRAGOON TRL
Mishawaka, IN 46544
  • Reassigned Medicare billing, Indiana enrollment
  • 1,396 clinicians in this Medicare group
NPI 1366879009 (574) 254-6253

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 7

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.

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.
229 services130 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.
127 services81 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
123 services123 patients
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677
The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.
15 services15 patients
Administration of pneumococcal vaccine G0009
The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.
15 services15 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
13 services13 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Franciscan Health Michigan City

Acute Care Hospitals · Michigan City, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150015
Location3500 Franciscan WayMichigan City, IN 46360 · La Porte County
Emergency services Birthing friendly

Franciscan Health Dyer

Acute Care Hospitals · Dyer, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150090
Location24 Joliet StDyer, IN 46311 · Lake County
Emergency services Birthing friendly

Community Hospital

Acute Care Hospitals · Munster, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150125
Location901 Macarthur BlvdMunster, IN 46321 · Lake County
Emergency services Birthing friendly

Franciscan Health Crown Point

Acute Care Hospitals · Crown Point, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150126
Location12750 Saint Francis DriveCrown Point, IN 46307 · Lake County
Emergency services Birthing friendly

Franciscan Health Munster

Acute Care Hospitals · Munster, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150165
Location701 Superior AveMunster, IN 46321 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46311 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
18 suppliers54 claims158 services$5.96 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
3 suppliers11 claims11 services$2.41 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
12 suppliers27 claims41 services$0.99 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JASMINE VAYALIL DO
Family Medicine
919 MAIN ST STE 102
DYER, IN 46311
Lake County (219) 934-2495
TANYA ROBERTS MD
Family Medicine
919 MAIN ST STE 102
DYER, IN 46311
Lake County (219) 934-2492

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 Nancy Gamarra Flores's NPI number?

The NPI number for Nancy Gamarra Flores is 1710094685. It was assigned to this individual provider in the NPPES registry on August 24, 2006.

Where is Nancy Gamarra Flores located?

Nancy Gamarra Flores practices at 919 Main St Ste 102, Dyer, IN 46311. The listed phone number is (219) 934-2492.

What is Nancy Gamarra Flores's specialty?

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

Is Nancy Gamarra Flores enrolled in Medicare?

Yes. Nancy Gamarra Flores 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 Nancy Gamarra Flores's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Gamarra Flores reassigns Medicare benefits to Franciscan Physician Network (Mishawaka, IN). 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 Nancy Gamarra Flores's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nancy Gamarra Flores accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Nancy Gamarra Flores 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.

Is Nancy Gamarra Flores affiliated with any hospitals?

According to CMS data, Nancy Gamarra Flores is affiliated with Franciscan Health Michigan City, Franciscan Health Dyer, Community Hospital, Franciscan Health Crown Point and Franciscan Health Munster.

When was this NPI record last updated?

The NPPES record for Nancy Gamarra Flores was last updated on September 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.