Dr Adnan H Siddiqui, MD, PHD - Medicare Neurosurgery in Williamsville, NY

Dr Adnan H Siddiqui, MD, PHD is a medicare enrolled "Neurological Surgery" physician in Williamsville, New York. He graduated from medical school in 1992 and has 32 years of diverse experience with area of expertise as Neurosurgery. He is a member of the group practice University At Buffalo Neurosurgery Inc and his current practice location is 40 George Karl Blvd, Williamsville, New York. You can reach out to his office (for appointments etc.) via phone at (716) 218-1000.

Dr Adnan H Siddiqui is licensed to practice in New York (license number 237148) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1558325951.

Contact Information

Dr Adnan H Siddiqui, MD, PHD
40 George Karl Blvd,
Williamsville, NY 14221-7183
(716) 218-1000
Not Available

Map and Direction




Physician's Profile

Full NameDr Adnan H Siddiqui
GenderMale
SpecialityNeurosurgery
Experience32 Years
Location40 George Karl Blvd, Williamsville, New York
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Adnan H Siddiqui graduated from medical school in 1992
  NPI Data:
  • NPI Number: 1558325951
  • Provider Enumeration Date: 04/13/2006
  • Last Update Date: 10/17/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 1658374343
  • Enrollment ID: I20060818000281

Medical Identifiers

Medical identifiers for Dr Adnan H Siddiqui such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1558325951NPI-NPPES
0614095OtherNYIHA
000930147002OtherNYBLUE CROSS OF WNY
02743460MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207T00000XNeurological Surgery 237148 (New York)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaleida HealthBuffalo, NYHospital
Olean General HospitalOlean, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University At Buffalo Neurosurgery Inc014312471958

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Adnan H Siddiqui allows following entities to bill medicare on his behalf.
Entity NameRochester General Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356412712
PECOS PAC ID: 0244149474
Enrollment ID: O20031121000644
Entity NameUniversity At Buffalo Neurosurgery Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306896220
PECOS PAC ID: 0143124719
Enrollment ID: O20031125000264

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Adnan H Siddiqui is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Adnan H Siddiqui, MD, PHD
40 George Karl Blvd,
Williamsville, NY 14221-7183

Ph: (716) 218-1000
Dr Adnan H Siddiqui, MD, PHD
40 George Karl Blvd,
Williamsville, NY 14221-7183

Ph: (716) 218-1000

Reviews and Comments


Neurological Surgery Doctors in Williamsville, NY

Gregory J Castiglia, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 40 George Karl Blvd, Williamsville, NY 14221
Phone: 716-218-1000    Fax: 716-200-1857
Dr. Ismet Hallac, M.D.
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 5445 Transit Rd, Williamsville, NY 14221
Phone: 716-688-7349    
Dr. Gregory John Bennett, MD
Neurological Surgery
Medicare: Medicare Enrolled
Practice Location: 18 Limestone Dr, Suite 2, Williamsville, NY 14221
Phone: 716-932-7170    Fax: 716-932-7173
Dr. Elad I Levy, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 40 George Karl Blvd, Williamsville, NY 14221
Phone: 716-218-1000    Fax: 716-200-1857
Dr. Michael Kenneth Landi, MD
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 400 International Dr., Williamsville, NY 14221
Phone: 716-631-3555    Fax: 716-631-9525
Dr. Jeffrey Paul Mullin, M.D.
Neurological Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 40 George Karl Blvd, Williamsville, NY 14221
Phone: 716-218-1000    Fax: 716-200-1857

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.