Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Psychiatry

Olayinka M. Johnson, MD

Sees patients in Linthicum, MD · Maryland

Summary

Olayinka M. Johnson, MD (Psychiatry) is enrolled with Medicare at 1 practice location in Linthicum, MD. NPI 1093923229. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Olayinka M. Johnson, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

PsychiatryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
38Years since medical school (graduated 1988)
MaleGender (as listed)

Quick answers

Where does Olayinka M. Johnson see patients?
Medicare's clinician data lists 1 practice location in Linthicum, MD. Call before your visit to confirm the address.
What is Olayinka M. Johnson's specialty?
Medicare lists Psychiatry as the primary specialty.
Does Olayinka M. Johnson accept Medicare assignment?
Yes. Medicare's clinician data says Olayinka M. Johnson accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Olayinka M. Johnson offer telehealth?
Medicare's clinician data says Olayinka M. Johnson offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Olayinka M. Johnson?
(410) 789-2500, as listed in official Medicare / NPI Registry data.
What is Olayinka M. Johnson's NPI number?
1093923229. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Olayinka M. Johnson is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Psychiatry doctors in Maryland →

Other psychiatrists in Maryland

Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.

All psychiatrists in Maryland →

Clinician information

CredentialMD
Graduation year1988
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1093923229
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians