Doctor profile · Federal record

Dr. Ron Chitayat, MD

Gastroenterology Physician (CMS: Gastroenterology) · West Hills, CA

  • NPI 1912008657
  • Accepts Medicare
  • MIPS 82.5 / 100 · 2023
  • 50 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7320 Woodlake Ave, #260
West Hills, CA 91307
(818) 992-8505
fax (818) 992-8547

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
January 27, 2010
Year of graduation
1976 — 50 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
California #G43613

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912008657. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,164
Distinct HCPCS
10
Medicare allowed
$128,836
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 188 161 $98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 173 79 $83
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 126 17 $51
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 97 90 $137
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 84 82 $110
99214 Established patient office or other outpatient visit, 30-39 minutes 79 72 $139
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 79 17 $67
45380 Biopsy of large bowel using a flexible endoscope 74 74 $186
99203 New patient office or other outpatient visit, 30-44 minutes 71 71 $122
99204 New patient office or other outpatient visit, 45-59 minutes 57 57 $174

In context: peer comparison

Among 6 peers in West Hills Gastroenterology Physician, average services per provider: 65. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$338
Transactions
18
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, INC. 12 $187.77
Abbvie INC. 4 $98.89
Ardelyx, INC. 1 $30.25
Ironwood Pharmaceuticals, INC 1 $21.00

By nature of payment

Food and Beverage
$338

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
537
Patients
172
Total drug cost
$40,113
Drug Type Claims Patients Total cost
Omeprazole Generic 155 40 $1,738
Famotidine Generic 136 41 $1,878
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 94 91 $1,395
Pantoprazole Sodium Generic 40 0 $864
Mesalamine Generic 35 0 $23,138
Esomeprazole Magnesium Generic 25 0 $2,577
Dexlansoprazole Dr (Dexlansoprazole) Brand 15 0 $5,963
Cholestyramine (Cholestyramine (With Sugar)) Brand 13 0 $855
Mercaptopurine Generic 12 0 $1,462
Sulfasalazine Generic 12 0 $245

Frequently asked questions

Auto-generated from federal data
What is Dr. Ron Chitayat's medical specialty?
Dr. Ron Chitayat practices Gastroenterology Physician in West Hills, CA.
Where does Dr. Ron Chitayat practice?
Dr. Ron Chitayat practices at 7320 Woodlake Ave, West Hills, CA 91307. Office phone: 8189928505.
What is Dr. Ron Chitayat's NPI?
Dr. Ron Chitayat's National Provider Identifier (NPI) is 1912008657, issued by NPPES.
Does Dr. Ron Chitayat accept Medicare assignment?
Yes. Dr. Ron Chitayat accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ron Chitayat commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439). Source: CMS Medicare Physician & Other Practitioners file.