Doctor profile · Federal record

Dr. Ashish Zalawadia, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Internal Medicine Physician · Roswell, GA

  • NPI 1255599692
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2500 Hospital Blvd Ste 130
Roswell, GA 300764946
(470) 267-1520
fax (770) 999-2673
Additional location
2799 W Grand Blvd, Division of Hospitalist Medicine, Cfp-417
Detroit, MI 482022608
(313) 916-8144

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
September 27, 2024
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Georgia #100358 · Michigan #4301092258

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255599692. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
317
Distinct HCPCS
10
Medicare allowed
$42,828
HCPCS Description Services Patients Avg allowed
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 41 41 $260
45380 Biopsy of large bowel using a flexible endoscope 37 37 $83
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 33 33 $133
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $136
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 29 28 $97
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 25 25 $252
99214 Established patient office or other outpatient visit, 30-39 minutes 23 23 $99
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 21 20 $111
45380 Biopsy of large bowel using a flexible endoscope 20 20 $54
99213 Established patient office or other outpatient visit, 20-29 minutes 19 19 $65

In context: peer comparison

Among 3 peers in this city , average services per provider: 29. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$145
Transactions
7
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 3 $65.43
Lilly USA, LLC 2 $33.08
Braintree Laboratories, Inc. 1 $24.70
ABBVIE INC. 1 $22.28

By nature of payment

Food and Beverage
$145

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
489
Patients
279
Total drug cost
$18,760
Drug Type Claims Patients Total cost
Omeprazole Generic 126 54 $1,957
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 112 110 $2,274
Pantoprazole Sodium Generic 88 36 $1,640
Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 58 55 $1,129
Famotidine Generic 33 0 $587
Ondansetron Hcl Generic 17 0 $101
Dicyclomine Hcl Generic 16 0 $375
Linzess (Linaclotide) Brand 15 0 $9,581
Metronidazole Generic 12 12 $167
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 12 12 $948

Frequently asked questions

Auto-generated from federal data
What is Dr. Ashish Zalawadia's medical specialty?
Dr. Ashish Zalawadia practices Gastroenterology Physician in Roswell, GA.
Where does Dr. Ashish Zalawadia practice?
Dr. Ashish Zalawadia practices at 2500 Hospital Blvd Ste 130, Roswell, GA 300764946. Office phone: 4702671520.
What is Dr. Ashish Zalawadia's NPI?
Dr. Ashish Zalawadia's National Provider Identifier (NPI) is 1255599692, issued by NPPES.
Does Dr. Ashish Zalawadia accept Medicare assignment?
Yes. Dr. Ashish Zalawadia accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ashish Zalawadia commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.