Peter D Williams, DO - Medicare Anesthesiology in Cheektowaga, NY

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Peter D Williams, DO is a medicare enrolled "Anesthesiology" physician in Cheektowaga, New York. He went to New York College Of Osteo Medicine Of New York Institute Of Technology and graduated in 2002 and has 22 years of diverse experience with area of expertise as Anesthesiology. He is a member of the group practice Great Lakes Anesthesiology Pc and his current practice location is Atwal Surgery Center, 3095 Harlem Rd, Cheektowaga, New York. You can reach out to his office (for appointments etc.) via phone at (716) 323-6579.

Peter D Williams is licensed to practice in New York (license number 238809) 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 1295780831.

Contact Information

Peter D Williams, DO
Atwal Surgery Center, 3095 Harlem Rd,
Cheektowaga, NY 14225-2500
(716) 323-6579
(716) 323-6659

Map and Direction




Physician's Profile

Full NamePeter D Williams
GenderMale
SpecialityAnesthesiology
Experience22 Years
LocationAtwal Surgery Center, Cheektowaga, 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:
  • Peter D Williams attended and graduated from New York College Of Osteo Medicine Of New York Institute Of Technology in 2002
  NPI Data:
  • NPI Number: 1295780831
  • Provider Enumeration Date: 05/23/2006
  • Last Update Date: 01/31/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 9234141177
  • Enrollment ID: I20060615000092

Medical Identifiers

Medical identifiers for Peter D Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1295780831NPI-NPPES
02758978MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology 238809 (New York)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Great Lakes Anesthesiology Pc711399752968

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. Peter D Williams allows following entities to bill medicare on his behalf.
Entity NameNorth American Partners In Anesthesia Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1649264706
PECOS PAC ID: 7719885771
Enrollment ID: O20040108000176
Entity NameJefferson Anesthesiologist Services Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508818014
PECOS PAC ID: 0840289260
Enrollment ID: O20040512000314
Entity NameGreat Lakes Anesthesiology Pc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306852181
PECOS PAC ID: 7113997529
Enrollment ID: O20040730000966

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. Peter D Williams 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
Peter D Williams, DO
1001 Main St Ste K-3502,
Buffalo, NY 14203-1009

Ph: (716) 323-6579		Peter D Williams, DO
Atwal Surgery Center, 3095 Harlem Rd,
Cheektowaga, NY 14225-2500

Ph: (716) 323-6579

Reviews and Comments


Anesthesiology Doctors in Cheektowaga, NY

Dr. Michael A. Cesar, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 2605 Harlem Rd, Cheektowaga, NY 14225
Phone: 716-891-2400    
Merle N Tandoc, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 3095 Harlem Rd, Cheektowaga, NY 14225
Phone: 716-896-3815    Fax: 716-896-3015
Leslie Ann Defranks-anain, D.O.
Anesthesiology
Medicare: Accepting Medicare Assignments
Practice Location: 3095 Harlem Rd, Cheektowaga, NY 14225
Phone: 716-896-3815    Fax: 716-896-3015
David K Umfrey, MD
Anesthesiology
Medicare: Medicare Enrolled
Practice Location: 3095 Harlem Rd, Cheektowaga, NY 14225
Phone: 716-896-3815    Fax: 716-896-3015
Janina Przystal, M.D.
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 2605 Harlem Rd, Cheektowaga, NY 14225
Phone: 716-891-2400    
Dr. Hansa Hemant Bhayani, MD
Anesthesiology
Medicare: Not Enrolled in Medicare
Practice Location: 2605 Harlem Rd, Cheektowaga, NY 14225
Phone: 716-891-2400    

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.

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