RON CHITAYAT (MD) – Gastroenterology Physician, NPI 1912008657
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,990 GASTROENTEROLOGY in CA
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Provider Addresses for RON CHITAYAT (MD)
7320, Woodlake Avenue, West Hills, Los Angeles, Los Angeles County, California, 91307, United States
#260
WEST HILLS, CA 91307
Phone: (818) 992-8505
Fax: (818) 992-8547
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 32 Open Payments records for all available years, with a total value of $645.
Total Amount is formed as General ($645) + Research ($0) + Ownership ($0) = $645.
Last reported payment date: 2024-12-02 • Largest payer in this snapshot: Janssen Biotech, Inc. ($395).
Total Amount
$645
General + Research + Ownership
Payments
32
Total payment records
General Amount
$645
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $395 |
| ABBVIE INC. | $150 |
| IRONWOOD PHARMACEUTICALS, INC | $47 |
| Ardelyx, Inc. | $30 |
| Regeneron Healthcare Solutions, Inc. | $22 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-12-09
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20101209000904 | I | Gastroenterology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 188 | 161 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 173 | 79 | $0 |
| 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 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 97 | 90 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 84 | 82 | $0 |
Insurance plans in this area (ZIP 91307)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CA | |
| U R O L O G Y | CA | |
| Physician Assistant | CA | |
| U R O L O G Y | CA | |
| Nurse Practitioner | CA | |
| Internal Medicine, Gastroenterology, Gastroenterology | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| U R O L O G Y | CA | |
| Urology, General Surgery | CA | |
| Gastroenterology, Internal Medicine | CA |
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