DR. DUMRONG TANGCHITNOB (M.D.) – Obstetrics & Gynecology Physician, NPI 1487752374
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,034 OBSTETRICS/GYNECOLOGY in CA
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Provider Addresses for DR. DUMRONG TANGCHITNOB (M.D.)
South Sunset Avenue, West Covina, Los Angeles County, California, 91790, United States
STE.# 102
WEST COVINA, CA 917903937
Phone: (626) 338-5377
Fax: (626) 851-8822
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 14 Open Payments records for all available years, with a total value of $293.
Total Amount is formed as General ($293) + Research ($0) + Ownership ($0) = $293.
Last reported payment date: 2024-11-21 • Largest payer in this snapshot: Sumitomo Pharma America, Inc. ($163).
Total Amount
$293
General + Research + Ownership
Payments
14
Total payment records
General Amount
$293
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Sumitomo Pharma America, Inc. | $163 |
| PFIZER INC. | $72 |
| Medtronic, Inc. | $26 |
| Exeltis, USA Inc. | $17 |
| ABBVIE INC. | $16 |
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: 2009-01-13
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 |
|---|---|---|---|---|
| I20090113000776 | I | Obstetrics/Gynecology | 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 | 72 | 23 | $0 |
| 93975 | Complete ultrasound of abdomen and pelvis artery and vein blood flow | 17 | 14 | $0 |
| 76830 | Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 15 | 13 | $0 |
Insurance plans in this area (ZIP 91790)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OBSTETRICS/GYNECOLOGY | CA | 76830 | Ultrasound pelvis through vagina | 44 | 42 |
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