ASHWIN PERES-DA-SILVA (MD) – Internal Medicine Physician, NPI 1083143390

ASHWIN PERES-DA-SILVA (MD) is a healthcare provider. based in San francisco, California. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. A166415 (CA). The NPI Number for ASHWIN PERES-DA-SILVA (MD) is 1083143390

Main info

Male
9 Years Of Experience
Accepts Medicare Assignment
Name
ASHWIN PERES-DA-SILVA (MD)
NPI
1083143390
Phone
(415) 600-6000
Address
3555 CESAR CHAVEZ
Enumeration Date
8 June 2017
Last Update Date
27 August 2024

Doctor Profile

Medical School Name
DUKE UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
4154858824
Graduation Year
2017 (9 years ago)
PAC ID
8123397387
Group Practice PAC ID
6608956966
Professional Enrollment ID
I20200617003356
Address ID
CA941104403SA3555XCHAV300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience47
Completeness75
Years active:9State licenses:1Digital endpointsOther names

21,511 INTERNAL MEDICINE in CA

Provider Addresses for ASHWIN PERES-DA-SILVA (MD)

  • 3555 CESAR CHAVEZ

    SAN FRANCISCO, CA 941104403

    Phone: (415) 600-6000

    Type: Location

  • 1500 E MEDICAL CENTER DR # TC3116

    ANN ARBOR, MI 481095000

    Phone:

    Type: Mailing

  • Mott Children's Hospital and Von Voigtlander Women's Hospital, 1500, East Medical Center Drive, Ann Arbor, Washtenaw County, Michigan, 48109, United States

    ANN ARBOR, MI 481095000

    Phone: (734) 936-5582

    Type: Location

  • 601 VAN NESS AVE STE E3619

    SAN FRANCISCO, CA 941023200

    Phone: (415) 531-9047

    Fax: (415) 213-4659

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2020-06-17

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

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20200617003356IInternal MedicineCATBD

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.

Verify on CMS Revalidation Lookup Tool

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

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99309Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes516343$0
99306Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes186172$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes13768$0
99310Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes117103$0
G0180Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and7675$0
View full utilization report →

Insurance plans in this area (ZIP 94110)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6608956966View full group profile
NameSpecialtyState
Internal MedicineCA
Internal MedicineCA
Internal MedicineCA
Internal MedicineCA
-CA
Internal MedicineCA
N E P H R O L O G YCA
Infectious Disease, Internal MedicineCA
H O S P I T A L I S TCA
Internal MedicineOH

Reviews

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Frequently asked questions

What is the 10-digit NPI for ASHWIN PERES-DA-SILVA (MD)?
ASHWIN PERES-DA-SILVA (MD) — NPI 1083143390 — is the standard way to identify this listing.
Is ASHWIN PERES-DA-SILVA (MD) still practicing?
ASHWIN PERES-DA-SILVA (MD) is currently listed as active in the public NPI registry.
What healthcare role does ASHWIN PERES-DA-SILVA (MD) hold?
Scheduling teams often label ASHWIN PERES-DA-SILVA (MD) under Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Does ASHWIN PERES-DA-SILVA (MD) list a practice location?
Patients near San Francisco, California may find ASHWIN PERES-DA-SILVA (MD) in results; validate coverage separately.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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