Shahid N. Siddiqui, MD
Internal Medicine Physician · Lancaster, CA
Shahid N. Siddiqui, MD is an internal medicine physician with a practice address in Lancaster, California, and NPI 1639276140, issued on Sep 19, 2006. Check the license (California A94134, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Shahid N. Siddiqui
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A94134 CA
35650 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 43830 10TH St W, Lancaster, CA 93534
- Phone
- (702) 579-5858
- Enumerated
- Sep 19, 2006
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (800) 890-6055
- Medicare enrollment
- Enrolled (PECOS I20070712000846); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 43830 10TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Oluwadamilola AderibigbeNurse Practitioner1063133387
- Michael Burr, M.D.Anesthesiology Physician1124053939
- Gustavo Casas, DPTPhysical Therapist1033698808
- Ilder Cervantes SanchezNurse's Aide1285459727
- Yong Chung, M,D,Anesthesiology Physician1881625135
- Mary Garcia-Casas, PTPhysical Therapist1700365574
Verify Shahid N. Siddiqui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94134Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,387 Medicare Part D claims for 200 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 68 claims were for opioids.
Most prescribed
- Atorvastatin Calcium117 claims
- Eliquis103 claims
- Famotidine89 claims
- Furosemide73 claims
- Lisinopril69 claims
- Amlodipine Besylate63 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.
Industry payments in 2024: $172.36
6 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Acute Care Associates OF California PCWildomar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Shahid N. Siddiqui among 17,696 internal medicine physician records in California
Shahid N. Siddiqui, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1987 · median 2004 among the 11,065 with a school on file
- Record last updated2018 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
55 internal medicine physician records list a practice address in Lancaster
They are 55 of the 4,273 NPPES records with a practice address in Lancaster, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Lancaster → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Harihar Agarwal, M.D.Lancaster, CA 935341215964150
- Naili Chen, D.O., MPH, MASCLancaster, CA 935341649251661
- Anthony Dulgeroff, M.D.Lancaster, CA 935341720199763
- Antony Fung, MDLancaster, CA 935341477526846
- Miranda Gaw, MDLancaster, CA 935341891705885
- Marvin Ginsburg, M.D.Lancaster, CA 935341508976580
- Shahid Hassan, M.D.Lancaster, CA 935341851401988
- Charles Lim, M.D.Lancaster, CA 935341205947231
Common questions
What is Shahid N. Siddiqui, MD's NPI number?
Shahid N. Siddiqui, MD's National Provider Identifier (NPI) is 1639276140, issued on Sep 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shahid N. Siddiqui, MD located?
The NPPES record lists a practice address at 43830 10TH St W, Lancaster, CA, 93534. Phone: (702) 579-5858. Providers update this record themselves, so call before visiting.
How can I verify Shahid N. Siddiqui, MD's license?
NPPES lists California license number A94134, 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 Shahid N. Siddiqui, MD prescribe under Medicare Part D?
In 2024, Shahid N. Siddiqui, MD had 2,387 Medicare Part D claims for 200 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.