Mahmood Islam Siddique, D.O.
Internal Medicine Physician · Lawrenceville, NJ
Mahmood Islam Siddique, D.O. is an internal medicine physician with a practice address in Lawrenceville, New Jersey, and NPI 1700976073, issued on Oct 14, 2006. Check the license (New Jersey 25MB05852900, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mahmood Islam Siddique
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MB05852900 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 31 E Darrah LN, Lawrenceville, NJ 08648
- Phone
- (609) 587-9944
- Enumerated
- Oct 14, 2006
- Record last updated
- Nov 29, 2025
- Fax
- (609) 587-9955
- Medicaid ID
- 5548608 NJ
- Medicare enrollment
- Enrolled (PECOS I20070123000002); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 31 E Darrah LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amanda Bordfeld Ferguson, PSY.D.Mental Health Counselor1952636300
- Emily Lambert, LCSWClinical Social Worker1972900322
- Aida QasimClinical Social Worker1912418682
- Alexandra Salani, LCSWClinical Social Worker1922429679
Verify Mahmood Islam Siddique in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MB05852900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% more Medicare Part D claims than the average internal medicine physician in 2024
3,813 Medicare Part D claims for 350 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims. 44 claims were for opioids.
Most prescribed
- Mounjaro270 claims
- Rosuvastatin Calcium153 claims
- Albuterol Sulfate Hfa96 claims
- Gabapentin90 claims
- Levothyroxine Sodium90 claims
- Ozempic84 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14,286.53
71 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.
27 internal medicine physician records list a practice address in Lawrenceville
They are 27 of the 693 NPPES records with a practice address in Lawrenceville, and 4,632 internal medicine physician records in New Jersey.
All 27 in Lawrenceville → All 4,632 in New Jersey → Every provider in Lawrenceville →
Other internal medicine physician records in New Jersey
- Joseph Aaron, MD, FACPShort Hills, NJ1861584633
- Sirike Aasmaa, DOMontville, NJ1861549925
- Holly Abate Bersalona, M.D.Sea Girt, NJ1669500492
- Kaniz Zehra Abbas, MDTrenton, NJ1598253858
- Shahida Abbas, MDOld Bridge, NJ1023104098
- Shahed AbbasiNewark, NJ1477810752
- Samih Abbassi, MDWest Orange, NJ1750380358
- Somaya Abboud, MDWest Orange, NJ1326089004
- Hilal Abboushi, MDBloomfield, NJ1548378029
- Anthony Abbruzzi, D.O.Pleasantville, NJ1629034905
Common questions
What is Mahmood Islam Siddique, D.O.'s NPI number?
Mahmood Islam Siddique, D.O.'s National Provider Identifier (NPI) is 1700976073, issued on Oct 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mahmood Islam Siddique, D.O. located?
The NPPES record lists a practice address at 31 E Darrah LN, Lawrenceville, NJ, 08648. Phone: (609) 587-9944. Providers update this record themselves, so call before visiting.
How can I verify Mahmood Islam Siddique, D.O.'s license?
NPPES lists New Jersey license number 25MB05852900, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mahmood Islam Siddique, D.O. prescribe under Medicare Part D?
In 2024, Mahmood Islam Siddique, D.O. had 3,813 Medicare Part D claims for 350 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Mahmood Islam Siddique, D.O.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.