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DR. WILLIAM J. FLYNN M.D.
NPI 1578586293
Surgery in Buffalo, NY

Active since July 25, 2006PECOS EnrolledAccepts Medicare Assignment
90.03/100
CMS Quality Rating
462 GRIDER ST, DEPT OF SURGERY, BUFFALO, NY 14215(716) 898-5186(716) 898-3194 Get Directions Write a Review

NPPES record last updated: March 26, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. William J. Flynn M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM J. FLYNN M.D. (NPI 1578586293) is an individual surgery provider in Buffalo, New York, licensed in New York (161806) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Erie County Medical Center, and is a graduate of Northwestern University Feinberg Medical School (1983).

NPPES Registry Identity

NPI1578586293
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. WILLIAM J. FLYNNCredential: M.D.
Location Address462 GRIDER ST, DEPT OF SURGERYBuffalo, NY 14215-3021
Mailing AddressPo Box 8000 Dept 313, University At Buffalo Surgeons, IncBuffalo, NY 14267-0002 · (716) 888-4889 · Fax (716) 849-5620
Phone(716) 898-5186
Fax(716) 898-3194
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1983
Enumeration DateJuly 25, 2006
Last NPPES UpdateMarch 26, 2014
✔ NPI 1578586293 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in NY · 161806
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedSurgery · Trauma SurgeryTaxonomy 2086S0127X · License 161806 (NY)
462 GRIDER ST, Buffalo, NY 14215
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Other Identifiers 3

Medicare UPINE07387NY
Medicaid01260851NY
Medicare ID-Type UnspecifiedDD2311Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William J. Flynn M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961490578
PECOS Enrollment IDI20050822000042
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
119 services54 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
119 services44 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
40 services40 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
15 services15 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
14 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Erie County Medical Center

Acute Care Hospitals · Buffalo, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330219
Location462 Grider StreetBuffalo, NY 14215 · Erie County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.93 typical visit price
range $54.87 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.03/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.88
Improvement Activities40
Cost63.01

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. V. THOMAS CHAPIN PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
462 GRIDER ST
BUFFALO, NY 14215
Erie County (716) 898-3000
DR. JOHN JACOB HANNIBAL IV M.D.
Student in an Organized Health Care Education/Training Program
462 GRIDER ST
BUFFALO, NY 14215
Erie County (716) 898-4226
HMB PHARMACY MANAGEMENT LLC
Pharmacy (Community/Retail Pharmacy)
462 GRIDER ST, DRIVEWAY 3
BUFFALO, NY 14215
Erie County (716) 332-2866
SARAH MARIE THOMPSON PA-C
Physician Assistant
462 GRIDER ST
BUFFALO, NY 14215
Erie County (716) 698-5375
MATTHEW GARRETT ALBEN DO
Student in an Organized Health Care Education/Training Program
462 GRIDER ST
BUFFALO, NY 14215
Erie County (716) 898-5053
DANNY ISSAM BELMONA MD
Student in an Organized Health Care Education/Training Program
462 GRIDER ST
BUFFALO, NY 14215
Erie County (716) 898-3000
ALEXANDRA VAZQUEZ AGACNP
Nurse Practitioner (Acute Care)
462 GRIDER ST
BUFFALO, NY 14215
Erie County (716) 898-3000
MR. KENNETH L DZIALAK COTA
Occupational Therapy Assistant
462 GRIDER ST
BUFFALO, NY 14215
Erie County (716) 898-3575

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Flynn's NPI number?

The NPI number for William Flynn is 1578586293. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Where is William Flynn located?

William Flynn practices at 462 Grider St Dept Of Surgery, Buffalo, NY 14215. The listed phone number is (716) 898-5186.

What is William Flynn's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is William Flynn enrolled in Medicare?

Yes. William Flynn is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is William Flynn affiliated with any hospitals?

According to CMS data, William Flynn is affiliated with Erie County Medical Center.

When was this NPI record last updated?

The NPPES record for William Flynn was last updated on March 26, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.