LOY ANH PHAM (M.D.) – Obstetrics & Gynecology Physician, NPI 1982648374
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 LOY ANH PHAM (M.D.)
Florence Avenue, Downey, Los Angeles County, California, 90670, United States
DOWNEY, CA 902404056
Phone: (562) 869-4579
Fax: (562) 862-1765
Type: Location
11411 BROOKSHIRE AVE STE 302
DOWNEY, CA 902415005
Phone: (562) 904-5151
Fax: (562) 904-5353
Type: Mailing
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 $808.
Total Amount is formed as General ($808) + Research ($0) + Ownership ($0) = $808.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Sumitomo Pharma America, Inc. ($245).
Total Amount
$808
General + Research + Ownership
Payments
32
Total payment records
General Amount
$808
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Sumitomo Pharma America, Inc. | $245 |
| Exeltis, USA Inc. | $214 |
| Applied Medical Resources Corporation | $165 |
| Organon LLC | $107 |
| PFIZER INC. | $32 |
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: 2011-03-08
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 |
|---|---|---|---|---|
| I20110308000922 | 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 | 17 | 11 | $0 |
Insurance plans in this area (ZIP 90240)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| - | CA |
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