NPPES file of Aug 9, 2026

Ahmed S. Alkoraishi, MD

Colon & Rectal Surgery Physician · Hayward, CA

Ahmed S. Alkoraishi, MD is a colon & rectal surgery physician with a practice address in Hayward, California, and NPI 1609954478, issued on Nov 1, 2006. Check the license (California A61654, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1609954478
Name
Ahmed S. Alkoraishi
Credential
MD
Primary taxonomy
Colon & Rectal Surgery Physician 208C00000X
License number
A61654 CA
Self-reported in NPPES; status is on the state search
Practice location
27400 Hesperian Blvd, Hayward, CA 94545
Phone
(510) 784-4000
Enumerated
Nov 1, 2006
Record last updated
Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A616540 CA
Medicare enrollment
Enrolled (PECOS I20101206001251); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 27400 Hesperian Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lyn Aborn, MDEmergency Medicine Physician1891873659
  2. David Anderson, MDInternal Medicine Physician1659459410
  3. Eric Anderson, MDEmergency Medicine Physician1417035262
  4. Joel Angel, M.D.Hospitalist Physician1669644571
  5. Marc Anker, MDObstetrics & Gynecology Physician1376621128
  6. Abubakr Asadulla, M.D.Internal Medicine Physician1881772648

Verify Ahmed S. Alkoraishi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A61654
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

82% fewer Medicare Part D claims than the average colon & rectal surgery physician in 2024

34 Medicare Part D claims for 17 beneficiaries, against an average of 192 among the 1,836 providers of this specialty who prescribed in Part D.

  1. Ahmed Alkoraishi34
  2. Specialty average192

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $52.56

1 payment: travel and lodging; the largest payer was Intuitive Surgical, Inc. The 1,524 providers of this specialty with any payment received $3,468.16 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ahmed Alkoraishi$52.56
  2. Specialty average$3,468.16

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Permanente Medical Group IncSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ahmed S. Alkoraishi among 198 colon & rectal surgery physician records in California

Ahmed S. Alkoraishi, MD is one of 198 colon & rectal surgery physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 57% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated1991 · median 2002 among the 149 with a school on file
  • Record last updated2021 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208C00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Colon & Rectal Surgery Physician providers in California

There are 198 colon & rectal surgery physician records in California.

The 8 colon & rectal surgery physician records with the nearest ZIP codes

  1. Doreen Jackson, MDTravis Air Force Base, CA 945351649615287
  2. Mark Scherrer, MDTravis Afb, CA 945351487641155
  3. Piyush Aggarwal, MDWalnut Creek, CA 945981700070273
  4. Ran Kim, M.D.Walnut Creek, CA 945981437237005
  5. Brian McGuinness, M.D.Walnut Creek, CA 945981891870770
  6. Poornima Vanguri, MDWalnut Creek, CA 945981144457375
  7. Kim Rhoads, MDStanford, CA 943051720266539
  8. Andrew Shelton, M.D.Stanford, CA 943051710029681

Common questions

What is Ahmed S. Alkoraishi, MD's NPI number?

Ahmed S. Alkoraishi, MD's National Provider Identifier (NPI) is 1609954478, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ahmed S. Alkoraishi, MD located?

The NPPES record lists a practice address at 27400 Hesperian Blvd, Hayward, CA, 94545. Phone: (510) 784-4000. Providers update this record themselves, so call before visiting.

How can I verify Ahmed S. Alkoraishi, MD's license?

NPPES lists California license number A61654, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ahmed S. Alkoraishi, MD prescribe under Medicare Part D?

In 2024, Ahmed S. Alkoraishi, MD had 34 Medicare Part D claims for 17 beneficiaries; the average among colon & rectal surgery physician prescribers was 192. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.