DR. CATHERINE A BIREN (M.D.) – Dermatology Physician, NPI 1124021035
Dermatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,140 DERMATOLOGY in CA
Provider Addresses for DR. CATHERINE A BIREN (M.D.)
9781 Blue Larkspur Ln Ste 100
Monterey, CA 939406509
Phone: (831) 333-9008
Fax: (831) 333-9010
Type: Location
Nelson Avenue, Modesto, Stanislaus County, California, 95354, United States
STE B
MODESTO, CA 953505341
Phone: (209) 524-9481
Fax: (209) 524-9486
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 12 Open Payments records for all available years, with a total value of $748.
Total Amount is formed as General ($748) + Research ($0) + Ownership ($0) = $748.
Last reported payment date: 2024-07-12 • Largest payer in this snapshot: PFIZER INC. ($439).
Total Amount
$748
General + Research + Ownership
Payments
12
Total payment records
General Amount
$748
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PFIZER INC. | $439 |
| GENZYME CORPORATION | $125 |
| UCB, Inc. | $98 |
| Novartis Pharmaceuticals Corporation | $33 |
| Dermavant Sciences, Inc. | $21 |
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: 2008-07-08
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 |
|---|---|---|---|---|
| I20080708000677 | I | Dermatology | 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 |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 379 | 64 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 100 | 92 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 100 | 84 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 70 | 63 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 67 | 67 | $0 |
Insurance plans in this area (ZIP 93940)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | TX | |
| - | CA | |
| - | CA | |
| P A T H O L O G Y | CA | |
| D E R M A T O L O G Y | CA | |
| D E R M A T O L O G Y | PA | |
| Dermatology, Internal Medicine | CA | |
| D E R M A T O L O G Y | CA | |
| P A T H O L O G Y | CA |
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