STERLING NICOLE KOSMACH (D.O.) – Allergy & Immunology Physician, NPI 1952713489
Allergy & Immunology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
521 ALLERGY/IMMUNOLOGY in CA
Provider Addresses for STERLING NICOLE KOSMACH (D.O.)
NAVAL MEDICAL CTR
34800 BOB WILSON DRIVE
SAN DIEGO, CA 921345000
Phone:
Type: Mailing
4535 Milestone Ln Ste B-C
Castle Rock, CO 801047918
Phone: (720) 547-3151
Fax: (877) 647-0202
Type: Location
5929 BALCONES DR STE 200
AUSTIN, TX 787314280
Phone: (512) 550-1800
Fax: (877) 647-0202
Type: Mailing
1625 MEDICAL CENTER PT STE 190
COLORADO SPRINGS, CO 809078721
Phone: (719) 345-1047
Fax: (877) 647-0202
Type: Location
1400 JACKSON ST
DENVER, CO 802062761
Phone: (877) 225-5654
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 48 Open Payments records for all available years, with a total value of $3,128.
Total Amount is formed as General ($3,128) + Research ($0) + Ownership ($0) = $3,128.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($1,373).
Total Amount
$3,128
General + Research + Ownership
Payments
48
Total payment records
General Amount
$3,128
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $1,373 |
| GENZYME CORPORATION | $606 |
| Pharming Healthcare, Inc. | $451 |
| BioCryst US Sales Co., LLC | $125 |
| Regeneron Healthcare Solutions, Inc. | $116 |
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: 2025-07-10
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 |
|---|---|---|---|---|
| I20250710003711 | I | Allergy/Immunology | CO | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 92134)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CO | |
| A L L E R G Y/ I M M U N O L O G Y | CO | |
| Nurse Practitioner | CO | |
| Nurse Practitioner | CO | |
| Nurse Practitioner | CO | |
| A L L E R G Y/ I M M U N O L O G Y | FL | |
| O T O L A R Y N G O L O G Y | TX | |
| Allergy/Immunology, Otolaryngology | MS | |
| - | CO |
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