Muhammad Hammad Siddiqi, MD
Nephrology Physician · Rockville, MD
Muhammad Hammad Siddiqi, MD is a nephrology physician with a practice address in Rockville, Maryland, and NPI 1679151450, issued on Mar 31, 2021. Check the license (Maryland D0106477, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Muhammad Hammad Siddiqi
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- D0106477 MD
0101281883 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1201 Seven Locks RD Ste 200A, Rockville, MD 20854
- Phone
- (301) 907-3939
- Enumerated
- Mar 31, 2021
- Record last updated
- Jul 20, 2026
- Fax
- (301) 656-3943
- Medicare enrollment
- Enrolled (PECOS I20260410003554); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 337 in Maryland → Look up another NPI →
Verify Muhammad Hammad Siddiqi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0106477Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average nephrology physician in 2024
61 Medicare Part D claims for 16 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
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: $150.50
3 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Muhammad Hammad Siddiqi among 337 nephrology physician records in Maryland
Muhammad Hammad Siddiqi, MD is one of 337 nephrology physician records with a practice address in Maryland. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 97% of them.
- NPI issued2021 · 97% of these records are older, under 1% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2011 · median 2001 among the 232 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Maryland
There are 337 nephrology physician records in Maryland.
All 337 in Maryland → Every provider in Rockville → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Mario Belledonne, M.D.Potomac, MD 208541033129457
- Vikram Doraiswamy, M.D.Rockville, MD 208541427468487
- Susan Ginsberg, MDRockville, MD 208541912974478
- Sandesh Kumar Joshi, M.DRockville, MD 208541861704710
- Stephen Hellman, M.D.Rockville, MD 208521942296926
- Margarita Kullick, MDRockville, MD 208521114999497
- Jeffrey Perlmutter, M.D.Rockville, MD 208521588651889
- Philip Schwartz, M.D.Rockville, MD 208521750389128
Common questions
What is Muhammad Hammad Siddiqi, MD's NPI number?
Muhammad Hammad Siddiqi, MD's National Provider Identifier (NPI) is 1679151450, issued on Mar 31, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Muhammad Hammad Siddiqi, MD located?
The NPPES record lists a practice address at 1201 Seven Locks RD Ste 200A, Rockville, MD, 20854. Phone: (301) 907-3939. Providers update this record themselves, so call before visiting.
How can I verify Muhammad Hammad Siddiqi, MD's license?
NPPES lists Maryland license number D0106477, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Muhammad Hammad Siddiqi, MD prescribe under Medicare Part D?
In 2024, Muhammad Hammad Siddiqi, MD had 61 Medicare Part D claims for 16 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.