TERRIE SUSIE AHN (MD) – Allergy & Immunology Physician, NPI 1093166795
Allergy & Immunology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
521 ALLERGY/IMMUNOLOGY in CA
Provider Addresses for TERRIE SUSIE AHN (MD)
1245 16TH ST
SANTA MONICA, CA 904041235
Phone: (310) 481-4646
Fax: (310) 899-7599
Type: Location
10833 LE CONTE AVE # 12-311
LOS ANGELES, CA 900953075
Phone:
Type: Mailing
10833 Le Conte Ave # 12-311
Los Angeles, CA 900953075
Phone: (310) 825-9111
Type: Location
5767 W CENTURY BLVD STE 400
LOS ANGELES, CA 900455631
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $840.
Total Amount is formed as General ($840) + Research ($0) + Ownership ($0) = $840.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($238).
Total Amount
$840
General + Research + Ownership
Payments
15
Total payment records
General Amount
$840
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2022-06-27
PECOS data refreshed: 2026-05-27
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 |
|---|---|---|---|---|
| I20220627003368 | I | Allergy/Immunology | 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 |
|---|---|---|---|---|
| 95004 | Test for allergy using allergenic extract | 742 | 18 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 32 | 32 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 26 | 26 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 23 | 16 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 23 | 22 | $0 |
Insurance plans in this area (ZIP 90404)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Hospitalist | CA | |
| Family Practice | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| Emergency Medicine, Family Practice | CA | |
| Medical Oncology, Hematology/Oncology | CA | |
| Hospitalist, Internal Medicine | MA | |
| Hospitalist, Internal Medicine | CA | |
| Hospitalist, Internal Medicine | CA |
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