NPPES file of Aug 9, 2026

Atiya A. Siddiqui, MD

Hospitalist Physician · Janesville, WI

Atiya A. Siddiqui, MD is a hospitalist physician with a practice address in Janesville, Wisconsin, and NPI 1356597421, issued on Aug 8, 2008. Check the license (Wisconsin 60775-20, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1356597421
Name
Atiya A. Siddiqui
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License numbers
60775-20 WI
263886 NY
Self-reported in NPPES; status is on the state search
Practice location
1000 Mineral Point Ave, Janesville, WI 53548
Phone
(608) 756-6261
Enumerated
Aug 8, 2008
Record last updated
Jan 11, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(608) 743-3214
Medicaid ID
1356597421 WI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1000 Mineral Point Ave

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

  1. Marwan Abdulsattar, MDAnesthesiology Physician1265790695
  2. Kathleen Agard, MDAnesthesiology Physician1558503235
  3. Imdad Ahmed, MDCardiovascular Disease Physician1053536219
  4. Muhammad Alkhan, MDInternal Medicine Physician1114950813
  5. Rachel Allen, MDEmergency Medicine Physician1184823999
  6. Giuseppe Altamore, DOEmergency Medicine Physician1477828564

Verify Atiya A. Siddiqui in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 60775-20
    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 Wisconsin license search

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74% fewer Medicare Part D claims than the average hospitalist physician in 2024

134 Medicare Part D claims for 22 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.

  1. Atiya Siddiqui134
  2. Specialty average521

Most prescribed

  1. Lisinopril17 claims
  2. Atorvastatin Calcium15 claims
  3. Pravastatin Sodium14 claims

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.

Atiya A. Siddiqui among 894 hospitalist physician records in Wisconsin

Atiya A. Siddiqui, MD is one of 894 hospitalist physician records with a practice address in Wisconsin. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 25% of them.

  • NPI issued2008 · 25% of these records are older, 70% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileNo · 86% of these records are
  • Record last updated2017 · 29% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in Wisconsin

There are 894 hospitalist physician records in Wisconsin.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Numan Aziz, M.D.Janesville, WI 535481275114167
  2. Orson Bangert, D.O.Janesville, WI 535481235455437
  3. David Isaacson, MDJanesville, WI 535481073562179
  4. Navneet Sidhu, M.D.Janesville, WI 535481568540011
  5. Jason Welch, MDJanesville, WI 535481316094931
  6. Venkata Niharika Yadavalli, MDJanesville, WI 535481578947354
  7. Chijen Chen, M.D.Janesville, WI 535461912589946
  8. William Clanfield, MDJanesville, WI 535461326085648

Common questions

What is Atiya A. Siddiqui, MD's NPI number?

Atiya A. Siddiqui, MD's National Provider Identifier (NPI) is 1356597421, issued on Aug 8, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Atiya A. Siddiqui, MD located?

The NPPES record lists a practice address at 1000 Mineral Point Ave, Janesville, WI, 53548. Phone: (608) 756-6261. Providers update this record themselves, so call before visiting.

How can I verify Atiya A. Siddiqui, MD's license?

NPPES lists Wisconsin license number 60775-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Atiya A. Siddiqui, MD prescribe under Medicare Part D?

In 2024, Atiya A. Siddiqui, MD had 134 Medicare Part D claims for 22 beneficiaries; the average among hospitalist physician prescribers was 521. 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.