NELLIS ALLAN SMITH (M.D.) – Cardiovascular Disease Physician, NPI 1386678951
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,010 CARDIOVASCULAR DISEASE (CARDIOLOGY) in CA
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Provider Addresses for NELLIS ALLAN SMITH (M.D.)
1950, University Avenue, East Palo Alto, San Mateo County, California, 94303, United States
SUITE 160
E PALO ALTO, CA 943032250
Phone: (650) 617-8100
Fax: (650) 327-2947
Type: Location
325, Distel Circle, Los Altos, Santa Clara County, California, 94022, United States
LOS ALTOS, CA 940221408
Phone: (650) 617-8100
Fax: (650) 327-2947
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $732.
Total Amount is formed as General ($732) + Research ($0) + Ownership ($0) = $732.
Last reported payment date: 2024-03-12 • Largest payer in this snapshot: Boston Scientific Corporation ($282).
Total Amount
$732
General + Research + Ownership
Payments
4
Total payment records
General Amount
$732
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $282 |
| Ablacon, Inc. | $241 |
| Impulse Dynamics (USA) Inc. | $208 |
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: 2005-10-26
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 |
|---|---|---|---|---|
| I20051026000711 | I | Cardiovascular Disease (Cardiology) | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 622 | 390 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 501 | 287 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 277 | 272 | $0 |
| 93325 | Ultrasound of heart with color-depicted blood flow, rate and valve function | 274 | 262 | $0 |
| 93314 | Interpretation and report of ultrasound of heart | 248 | 240 | $0 |
Insurance plans in this area (ZIP 94303)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIOVASCULAR DISEASE (CARDIOLOGY) | CA | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 89 | 47 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | CA | |
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| - | CA | |
| Hospitalist, Obstetrics/Gynecology | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OR | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| A N E S T H E S I O L O G Y | CA |
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