ABRAHAM G HSIEH (MD) – Otolaryngology Physician, NPI 1679520076

ABRAHAM G HSIEH (MD) is a healthcare provider. based in Walnut creek, California. specializing in OTOLARYNGOLOGY. They hold the professional credentials MD. They hold a License No. A44211 (CA). The NPI Number for ABRAHAM G HSIEH (MD) is 1679520076

Main info

Male
40 Years Of Experience
Accepts Medicare Assignment
Name
ABRAHAM G HSIEH (MD)
NPI
1679520076
Phone
(925) 933-8462
Address
2623 SHADELANDS DR STE 1
Enumeration Date
30 May 2006
Last Update Date
29 April 2024

Doctor Profile

Medical School Name
TUFTS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
9254627060
Graduation Year
1986 (40 years ago)
PAC ID
7416990619
Group Practice PAC ID
6305748799
Professional Enrollment ID
I20090218000001
Address ID
CA945667366PL4725XSTXX301
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

1,359 OTOLARYNGOLOGY in CA

Provider Addresses for ABRAHAM G HSIEH (MD)

  • 2623 SHADELANDS DR STE 1

    WALNUT CREEK, CA 945982512

    Phone: (925) 933-8462

    Fax: (925) 933-4460

    Type: Location

  • 1776 Ygnacio Valley Rd

    Ste. 210

    Walnut Creek, CA 945983190

    Phone: (925) 933-8462

    Fax: (925) 933-4460

    Type: Location

  • 300 Pasteur Dr

    Stanford, CA 943052200

    Phone: (650) 723-4000

    Type: Location

  • Park Professional, 1776, Ygnacio Valley Road, Walnut Creek, Contra Costa County, California, 94598, United States

    STE. 210

    WALNUT CREEK, CA 945983190

    Phone: (925) 933-8462

    Fax: (925) 933-4460

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 5 Open Payments records for all available years, with a total value of $279.

Total Amount is formed as General ($279) + Research ($0) + Ownership ($0) = $279.

Last reported payment date: 2024-06-24 • Largest payer in this snapshot: Medtronic, Inc. ($151).

Total Amount

$279

General + Research + Ownership

Payments

5

Total payment records

General Amount

$279

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-06-24

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2009-02-18

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
I20090218000001IOtolaryngologyCATBD

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
99213Established patient office or other outpatient visit, 20-29 minutes440334$0
69210Removal of impacted ear wax336281$0
99203New patient office or other outpatient visit, 30-44 minutes270270$0
99214Established patient office or other outpatient visit, 30-39 minutes253198$0
99204New patient office or other outpatient visit, 45-59 minutes185185$0
View full utilization report →

Insurance plans in this area (ZIP 94598)

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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: 6305748799View full group profile
NameSpecialtyState
-CA
-CA
-CA
E N D O C R I N O L O G YCA
O B S T E T R I C S/ G Y N E C O L O G YCA
-CA
O B S T E T R I C S/ G Y N E C O L O G YCA
-CA
O B S T E T R I C S/ G Y N E C O L O G YCA
-CA

Reviews

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Frequently asked questions

Where can patients find ABRAHAM G HSIEH (MD)'s NPI?
You can confirm ABRAHAM G HSIEH (MD) with NPI 1679520076; it appears in the national provider directory.
Does this profile mean ABRAHAM G HSIEH (MD) is currently active?
Yes — ABRAHAM G HSIEH (MD) appears active in the national provider directory.
Does ABRAHAM G HSIEH (MD) list a primary specialty?
If you are matching referrals, note Otolaryngology Physician for ABRAHAM G HSIEH (MD). Clinical services aligned with this taxonomy classification.
What location metadata exists for ABRAHAM G HSIEH (MD)?
The page summarizes Walnut Creek, California for ABRAHAM G HSIEH (MD); expand the address list for detail.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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