Doctor profile · Federal record

Dr. Nancy Gamarra Flores, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Dyer, IN

  • NPI 1710094685
  • Accepts Medicare
  • 33 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
919 Main St Ste 102
Dyer, IN 463113717
(219) 934-2492
fax (219) 934-2493
Additional location
5500 Hohman Ave Ste 2A
Hammond, IN 463201942
(219) 933-2291
fax (219) 933-2295
Additional location
5529 Hohman Ave
Hammond, IN 463201936
(219) 933-2291
fax (219) 933-2295
Show 1 more location
Additional location
3229-43 W 47Th Pl
Chicago, IL 606323011
(773) 254-6044
fax (773) 254-6115
Mailing address
Po Box 781076
Detroit, MI 482781076

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
September 8, 2023
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Indiana #01087333A · Illinois #036-099560

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710094685. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
650
Distinct HCPCS
10
Medicare allowed
$65,754
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 307 172 $118
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 110 110 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 59 46 $84
G0008 Administration of influenza virus vaccine 40 40 $29
G0009 Administration of pneumococcal vaccine 30 30 $29
99215 Established patient office or other outpatient visit, 40-54 minutes 29 29 $167
83036 Hemoglobin a1c level 26 22 $9
90662 Influenza vaccine split virus, preservative free 23 23 $72
90682 Influenza vaccine, quadrivalent derived from recombinant dna 13 13 $72
90732 Pneumococcal vaccine, 23-valent 13 13 $125

In context: peer comparison

Among 5 peers in this city , average services per provider: 75. This provider delivers 8.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,573
Patients
591
Total drug cost
$119,699
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 303 123 $4,050
Losartan Potassium Generic 149 51 $1,917
Amlodipine Besylate Generic 135 53 $973
Levothyroxine Sodium Generic 125 50 $2,245
Rosuvastatin Calcium Generic 110 43 $1,501
Jardiance (Empagliflozin) Brand 108 24 $99,893
Metformin Hcl Generic 96 39 $1,464
Gabapentin Generic 95 35 $1,208
Alprazolam Generic 85 21 $446
Omeprazole Generic 67 27 $619

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nancy Gamarra Flores's medical specialty?
Dr. Nancy Gamarra Flores practices Internal Medicine Physician in Dyer, IN.
Where does Dr. Nancy Gamarra Flores practice?
Dr. Nancy Gamarra Flores practices at 919 Main St Ste 102, Dyer, IN 463113717. Office phone: 2199342492.
What is Dr. Nancy Gamarra Flores's NPI?
Dr. Nancy Gamarra Flores's National Provider Identifier (NPI) is 1710094685, issued by NPPES.
Does Dr. Nancy Gamarra Flores accept Medicare assignment?
Yes. Dr. Nancy Gamarra Flores accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Gamarra Flores commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.