DR. SOLOMON O AJASIN MD
NPI 1639750086
Emergency Medicine in Boston, MA

Active since April 17, 2021PECOS Enrolled
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-5724 Get Directions Write a Review

NPPES record last updated: May 4, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 4, 2026, Apr 17, 2021 (2 updates tracked since 2021).

About Dr. Solomon O Ajasin Md NPPES

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

DR. SOLOMON O AJASIN MD (NPI 1639750086) is an individual emergency medicine provider in Boston, Massachusetts, licensed in Massachusetts (1023521) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with South Shore Hospital, and is a graduate of New York Medical College (2021).

NPPES Registry Identity

NPI1639750086
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. SOLOMON O AJASINCredential: MD
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2021
Enumeration DateApril 17, 2021
Last NPPES UpdateMay 4, 20262 updates tracked since enumeration
NPPES CertifiedMay 4, 2026
NPI 1639750086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in MA · 1023521
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
300 LONGWOOD AVE, Boston, MA 02115

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Solomon O Ajasin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214411016
PECOS Enrollment IDI20260319002640
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

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

South Shore Hospital

Acute Care Hospitals · South Weymouth, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220100
Location55 Fogg RoadSouth Weymouth, MA 02190 · Norfolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 20

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

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 Solomon Ajasin's NPI number?

The NPI number for Solomon Ajasin is 1639750086. It was assigned to this individual provider in the NPPES registry on April 17, 2021.

Where is Solomon Ajasin located?

Solomon Ajasin practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-5724.

What is Solomon Ajasin's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Solomon Ajasin enrolled in Medicare?

Yes. Solomon Ajasin is registered in the Medicare PECOS enrollment system.

Is Solomon Ajasin affiliated with any hospitals?

According to CMS data, Solomon Ajasin is affiliated with South Shore Hospital.

When was this NPI record last updated?

The NPPES record for Solomon Ajasin was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.