SUMAIRA ZAREEN AASI (MD) – MOHS-Micrographic Surgery Physician, NPI 1780675181
MOHS-Micrographic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,140 DERMATOLOGY in CA
Provider Addresses for SUMAIRA ZAREEN AASI (MD)
450 Broadway St
Pavilion B, 4th Floor
Redwood City, CA 940633132
Phone: (650) 725-5272
Fax: (650) 725-7711
Type: Location
Redwood City, Broadway, Redwood City, San Mateo County, California, 94063, United States
PAVILION B, 4TH FLOOR
REDWOOD CITY, CA 940633132
Phone: (650) 725-5272
Fax: (650) 725-7711
Type: Location
300 PASTEUR DR
STANFORD, CA 943052200
Phone: (650) 723-4000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 11 Open Payments records for all available years, with a total value of $9,491.
Total Amount is formed as General ($9,174) + Research ($317) + Ownership ($0) = $9,491.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Regeneron Pharmaceuticals, Inc. ($8,732).
Total Amount
$9,491
General + Research + Ownership
Payments
11
Total payment records
General Amount
$9,174
General payments
Research Amount
$317
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Regeneron Pharmaceuticals, Inc. | $8,732 |
| MIMEDX Group, Inc. | $759 |
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: 2011-09-07
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 |
|---|---|---|---|---|
| I20110907001373 | 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 |
|---|---|---|---|---|
| 17311 | Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks | 406 | 272 | $0 |
| 17312 | Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks | 243 | 140 | $0 |
| 17003 | Destruction of precancer skin growth, 2-14 growths | 159 | 42 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 151 | 100 | $0 |
| 17315 | Removal and microscopic exam of growth, each additional block after 5 tissue blocks | 119 | 34 | $0 |
Insurance plans in this area (ZIP 94063)
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Provider's Procedures
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 | TX | |
| - | CA | |
| - | CA | |
| - | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Hematology, Medical Oncology | NY | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Nurse Practitioner | CA | |
| Nurse Practitioner | CA | |
| Neuropsychiatry, Neurology | CA |
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