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RYAN ALEXANDER O'CONNOR MD
NPI 1477119949
Internal Medicine in Cheektowaga, NY

Active since May 10, 2019PECOS EnrolledAccepts Medicare Assignment
3091 WILLIAM ST, CHEEKTOWAGA, NY 14227(716) 822-3098 Get Directions Write a Review

NPPES record last updated: August 13, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 13, 2025, May 10, 2019 (2 updates tracked since 2019).

About Ryan Alexander O'connor Md NPPES

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

RYAN ALEXANDER O'CONNOR MD (NPI 1477119949) is an individual internal medicine provider in Cheektowaga, New York, licensed in New York (314095) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1477119949
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameRYAN ALEXANDER O'CONNORCredential: MD
Location Address3091 WILLIAM STCheektowaga, NY 14227-1919
Mailing Address375 Mount Hope Ave Apt 205Rochester, NY 14620-1233
Phone(716) 822-3098
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMay 10, 2019
Last NPPES UpdateAugust 13, 20252 updates tracked since enumeration
NPPES CertifiedAugust 13, 2025
✔ NPI 1477119949 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 314095
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3091 WILLIAM ST, Cheektowaga, NY 14227
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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

Ryan Alexander O'connor Md 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 ID648506311
PECOS Enrollment IDI20250804000320
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.

Hospital Affiliations CMS Care Compare 5

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

Kaleida Health

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330005
Location100 High StreetBuffalo, NY 14210 · Erie County
Emergency services Birthing friendly

Sisters Of Charity Hospital

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330078
Location2157 Main StreetBuffalo, NY 14214 · Erie County
Emergency services Birthing friendly

Kenmore Mercy Hospital

Acute Care Hospitals · Kenmore, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330102
Location2950 Elmwood AvenueKenmore, NY 14217 · Erie County
Emergency services

Mount St. Mary's Hospital & Health Center

Acute Care Hospitals · Lewiston, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330188
Location5300 Military RoadLewiston, NY 14092 · Niagara County
Emergency services Birthing friendly

Mercy Hospital Of Buffalo

Acute Care Hospitals · Buffalo, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330279
Location565 Abbott RoadBuffalo, NY 14220 · Erie County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14227 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
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 8

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

KAITLIN ROMAN
Nurse Practitioner (Family)
3091 WILLIAM ST
CHEEKTOWAGA, NY 14227
Erie County (716) 822-3098
DR. RAJARSHI PARAI MD
Internal Medicine
3091 WILLIAM ST
CHEEKTOWAGA, NY 14227
Erie County (716) 822-3098
NAWFAL ALKHAFAJI MD
Internal Medicine (Cardiovascular Disease)
3091 WILLIAM ST
CHEEKTOWAGA, NY 14227
Erie County (716) 822-3098
SUSAN BRANDEL LEW
Dietitian, Registered
3091 WILLIAM ST
CHEEKTOWAGA, NY 14227
Erie County (716) 822-3098
NAJAT TURAIF MD
Nuclear Medicine (Nuclear Imaging & Therapy)
3091 WILLIAM ST, BUFFALO HEART GROUP
CHEEKTOWAGA, NY 14227
Erie County (716) 822-3098
LOGAN JAMES SLOTHER
Physician Assistant
3091 WILLIAM ST
CHEEKTOWAGA, NY 14227
Erie County (716) 822-3098
DR. JIBRAN MOHD MIRZA M.D.
Internal Medicine (Cardiovascular Disease)
3091 WILLIAM ST
CHEEKTOWAGA, NY 14227
Erie County (716) 822-3098
CHRISTOPHER BARBOLINI PA
Physician Assistant
3091 WILLIAM ST
CHEEKTOWAGA, NY 14227
Erie County (716) 822-3098

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 Ryan O'connor's NPI number?

The NPI number for Ryan O'connor is 1477119949. It was assigned to this individual provider in the NPPES registry on May 10, 2019.

Where is Ryan O'connor located?

Ryan O'connor practices at 3091 William St, Cheektowaga, NY 14227. The listed phone number is (716) 822-3098.

What is Ryan O'connor's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ryan O'connor enrolled in Medicare?

Yes. Ryan O'connor 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 Ryan O'connor affiliated with any hospitals?

According to CMS data, Ryan O'connor is affiliated with Kaleida Health, Sisters Of Charity Hospital, Kenmore Mercy Hospital, Mount St. Mary's Hospital & Health Center and Mercy Hospital Of Buffalo.

When was this NPI record last updated?

The NPPES record for Ryan O'connor was last updated on August 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.