ADELIA SAZONOV D.O.
NPI 1871930701
Psychiatry & Neurology - Psychiatry in Williamsville, NY

Active since June 01, 2013PECOS EnrolledAccepts Medicare Assignment
8207 MAIN ST STE 7&8, WILLIAMSVILLE, NY 14221(716) 626-4200(716) 626-4201 Get Directions Write a Review

NPPES record last updated: January 15, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 15, 2020, Feb 7, 2019, Mar 17, 2018 and 2 more (5 updates tracked since 2017).

About Adelia Sazonov D.o. NPPES

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

ADELIA SAZONOV D.O. (NPI 1871930701) is an individual psychiatry provider in Williamsville, New York, licensed in New York (287305) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS, is affiliated with Olean General Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1871930701
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameADELIA SAZONOVCredential: D.O.
Location Address8207 MAIN ST STE 7&8Williamsville, NY 14221-6060
Mailing Address3396 Driftwood RdBemus Point, NY 14712-9705
Fax(716) 626-4201
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 1993
Enumeration DateJune 1, 2013
Last NPPES UpdateJanuary 15, 20205 updates tracked since enumeration
✔ NPI 1871930701 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NY · 287305
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
8207 MAIN ST STE 7&8, Williamsville, NY 14221

Secondary Practice Locations 2

Location 1462 Grider StBuffalo, NY 14215-3021 · Phone (716) 898-4221
Location 2400 N Main StWarsaw, NY 14569-1025 · Phone (585) 786-1249

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Adelia Sazonov D.o. 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 ID3678843885
PECOS Enrollment IDI20170720002598
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Adelia Sazonov reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neurology
3980 SHERIDAN DR, SUITE 200
Amherst, NY 14226
  • Reassigned Medicare billing, New York enrollment
  • 85 clinicians in this Medicare group
Rehabilitation, Substance Use Disorder
7020 ERIE ROAD
Derby, NY 14047
  • Reassigned Medicare billing, New York enrollment
  • 11 clinicians in this Medicare group
General Practice
500 MAIN ST
Olean, NY 14760
  • Reassigned Medicare billing, New York enrollment
  • 163 clinicians in this Medicare group
Mental Health (Including Community Mental Health Center)
200 E 3RD ST STE 5
Jamestown, NY 14701
  • Reassigned Medicare billing, New York enrollment
  • 31 clinicians in this Medicare group
Child & Adolescent Psychiatry
1465 FOOTE AVENUE EXT
Jamestown, NY 14701
  • Reassigned Medicare billing, New York enrollment
  • 18 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Olean General Hospital

Acute Care Hospitals · Olean, NY
1/5 CMS rating
OwnershipProprietary
CMS Certification Number330103
Location515 Main StreetOlean, NY 14760 · Cattaraugus County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 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
$166.88 typical visit price
range $54.87 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
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.

Other Providers at the Same Location NPPES

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

Internal Medicine (Rheumatology)
8207 MAIN ST STE 7&8
WILLIAMSVILLE, NY 14221

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 Adelia Sazonov's NPI number?

The NPI number for Adelia Sazonov is 1871930701. It was assigned to this individual provider in the NPPES registry on June 1, 2013.

Where is Adelia Sazonov located?

Adelia Sazonov practices at 8207 Main St Ste 7&8, Williamsville, NY 14221. The listed phone number is (716) 626-4200.

What is Adelia Sazonov's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Adelia Sazonov enrolled in Medicare?

Yes. Adelia Sazonov 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.

Which organizations bill Medicare for Adelia Sazonov's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adelia Sazonov reassigns Medicare benefits to 5 organizations: Dent Neurologic Group LLP (Amherst, NY), Brooks - Tlc Hospital System, Inc. (Derby, NY), Olean General Hospital (Olean, NY), County Of Chautauqua - A Mun Corp (Jamestown, NY) and Jamestown Psychiatric PC (Jamestown, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Adelia Sazonov's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Adelia Sazonov affiliated with any hospitals?

According to CMS data, Adelia Sazonov is affiliated with Olean General Hospital.

When was this NPI record last updated?

The NPPES record for Adelia Sazonov was last updated on January 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.