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OLUWASEYI ADEYINKA MD, MPH
NPI 1215513106
Psychiatry & Neurology - Psychiatry in Stamford, CT

Active since March 22, 2021PECOS Enrolled

NPPES record last updated: June 6, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 6, 2024, Mar 22, 2021 (2 updates tracked since 2021).

About Oluwaseyi Adeyinka Md, Mph NPPES

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

OLUWASEYI ADEYINKA MD, MPH (NPI 1215513106) is an individual psychiatry provider in Stamford, Connecticut, licensed in Connecticut (75161) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in New Haven.

NPPES Registry Identity

NPI1215513106
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameOLUWASEYI ADEYINKACredential: MD, MPH
Location Address22 5TH STStamford, CT 06905-5012
Mailing Address300 George St Ste 301New Haven, CT 06511-6663 · (203) 785-2095
Phone(203) 323-8160
Sole ProprietorYes
Enumeration DateMarch 22, 2021
Last NPPES UpdateJune 6, 20242 updates tracked since enumeration
NPPES CertifiedJune 6, 2024
✔ NPI 1215513106 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CT · 75161
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
22 5TH ST, Stamford, CT 06905
Open in Google Maps ↗

Secondary Practice Location 1

Location 1300 George St Ste 301New Haven, CT 06511-6663 · Phone (203) 785-2095

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oluwaseyi Adeyinka Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Oluwaseyi Adeyinka reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community Health Center Inc
23 mi
Federally Qualified Health Center (FQHC)
41 NEW ST
Danbury, CT 06810
  • Reassigned Medicare billing, Connecticut enrollment
  • 390 clinicians in this Medicare group
NPI 1003332446 (203) 796-1661
Natchaug Hospital, Inc.
84 mi
Psychiatric Hospital
189 STORRS ROAD
Mansfield Center, CT 06250
  • Reassigned Medicare billing, Connecticut enrollment
  • 200 clinicians in this Medicare group
NPI 1295811321 (860) 456-1311

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06905 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
$183.10 typical visit price
range $60.82 – $183.10
Typical copayment $45.77 (range $15.20 – $45.77)
Most-billed visit code 99205
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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 20

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

CLABAUGH & TRENTALANCIA, PC
Dentist
22 5TH ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 327-2540
ANN MANTUA ASUNTO M.D.
Family Medicine
22 5TH ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 323-8160
BRITTANY ANN ALBANO LCSW
Social Worker (Clinical)
22 5TH ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 323-8160
SHANICKA REYNOLDS MD
Psychiatry & Neurology (Psychiatry)
22 5TH ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 323-8160
VERUZCA GUZMAN LPC
Counselor (Professional)
22 5TH ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 323-8160
LISA DIANIS LCSW
Social Worker (Clinical)
22 5TH ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 323-8160
ALLISON JADE VILLEDA LCSW
Social Worker
22 5TH ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 323-8160
DENIZ YETIL
Nurse Practitioner (Family)
22 5TH ST
STAMFORD, CT 06905
Western Connecticut Planning Region (203) 323-8160

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 Oluwaseyi Adeyinka's NPI number?

The NPI number for Oluwaseyi Adeyinka is 1215513106. It was assigned to this individual provider in the NPPES registry on March 22, 2021.

Where is Oluwaseyi Adeyinka located?

Oluwaseyi Adeyinka practices at 22 5th St, Stamford, CT 06905. The listed phone number is (203) 323-8160.

What is Oluwaseyi Adeyinka's specialty?

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

Is Oluwaseyi Adeyinka enrolled in Medicare?

Yes. Oluwaseyi Adeyinka is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Oluwaseyi Adeyinka's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oluwaseyi Adeyinka reassigns Medicare benefits to 2 organizations: Community Health Center Inc (Danbury, CT) and Natchaug Hospital, Inc. (Mansfield Center, CT). 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 Oluwaseyi Adeyinka's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Oluwaseyi Adeyinka accept?

Health plans from Oscar Health list Oluwaseyi Adeyinka as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Oluwaseyi Adeyinka was last updated on June 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.