DR. OLEG SINYAVSKIY (M.D.) – Internal Medicine Physician, NPI 1316177157

DR. OLEG SINYAVSKIY (M.D.) is a healthcare provider. based in Grosse pointe woods, Michigan. specializing in INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 4301093752 (MI). The NPI Number for DR. OLEG SINYAVSKIY (M.D.) is 1316177157

Main info

Male
19 Years Of Experience
Accepts Medicare Assignment
Name
DR. OLEG SINYAVSKIY (M.D.)
NPI
1316177157
Phone
(313) 343-1000
Address
468 CADIEUX RD
Enumeration Date
14 July 2009
Last Update Date
13 April 2021

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5047023000
Graduation Year
2007 (19 years ago)
PAC ID
6901038298
Group Practice PAC ID
7012150311
Professional Enrollment ID
I20171004000646
Address ID
LA701123018NE2000XSTXX300

Contacts

FHIR Endpoint
https://epicproxy.et0830.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Secure Messaging
osinyavskiy97948@direct.casso.us.com
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience70
Completeness85
Years active:16State licenses:2Other namesUpdated within 12 months

2,622 INTERNAL MEDICINE in LA

Provider Addresses for DR. OLEG SINYAVSKIY (M.D.)

  • 468 CADIEUX RD

    GROSSE POINTE WOODS, MI 482301507

    Phone: (313) 343-1000

    Type: Mailing

  • 309 Jackson St

    Monroe, LA 712017407

    Phone: (318) 966-4541

    Fax: (318) 966-4543

    Type: Location

  • 36115, Schoolcraft Road, Livonia, Wayne County, Michigan, 48150, United States

    LIVONIA, MI 481501216

    Phone: (734) 464-0887

    Fax: (734) 402-0254

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $14.

Total Amount is formed as General ($14) + Research ($0) + Ownership ($0) = $14.

Last reported payment date: 2023-04-20 • Largest payer in this snapshot: PFIZER INC. ($14).

Total Amount

$14

General + Research + Ownership

Payments

1

Total payment records

General Amount

$14

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-04-20

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
PFIZER INC.$14
View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-01-10

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 3 Medicare enrollment records; no due dates published yet.

Enrollment records

3

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20160503001433IInternal MedicineFLTBD
I20171004000646IInternal MedicineLATBD
I20240110004687IInternal MedicineTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes15159$0
99239Hospital discharge day management, more than 30 minutes4744$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes3131$0
View full utilization report →

Insurance plans in this area (ZIP 48230)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7012150311View full group profile
NameSpecialtyState
Hospitalist, Internal MedicineLA
Nurse PractitionerLA
Nurse PractitionerLA
Critical Care (Intensivists)MS
Internal MedicineFL
General SurgeryLA
Nurse PractitionerLA
Nurse PractitionerLA
Nurse PractitionerLA
Family PracticeLA

Reviews

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Frequently asked questions

What is DR. OLEG SINYAVSKIY (M.D.)'s NPI number?
DR. OLEG SINYAVSKIY (M.D.)'s NPI is 1316177157 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to DR. OLEG SINYAVSKIY (M.D.)?
You should see DR. OLEG SINYAVSKIY (M.D.) as active in CMS-hosted NPPES data.
What area of care is associated with DR. OLEG SINYAVSKIY (M.D.)?
DR. OLEG SINYAVSKIY (M.D.)'s record emphasizes Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Where in Michigan is DR. OLEG SINYAVSKIY (M.D.) registered?
Use Grosse Pointe Woods, Michigan as the headline location for DR. OLEG SINYAVSKIY (M.D.) here.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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