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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. SEAN PAUL GAINE MD
NPI 1285216994
Internal Medicine in Baltimore, MD

Active since April 22, 2021PECOS Enrolled
THE JOHNS HOPKINS HOSPITAL, 1800 ORLEANS ST., BALTIMORE, MD 21287(410) 955-5000 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Oct 5, 2026, Apr 22, 2021 (2 updates tracked since 2021).

About Dr. Sean Paul Gaine Md NPPES

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

DR. SEAN PAUL GAINE MD (NPI 1285216994) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0104971) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in Lutherville.

NPPES Registry Identity

NPI1285216994
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. SEAN PAUL GAINECredential: MD
Location AddressTHE JOHNS HOPKINS HOSPITAL, 1800 ORLEANS ST.Baltimore, MD 21287
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 933-6423
Phone(410) 955-5000
Sole ProprietorNo
Enumeration DateApril 22, 2021
Last NPPES UpdateOctober 5, 20262 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1285216994 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MD · D0104971
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
THE JOHNS HOPKINS HOSPITAL, Baltimore, MD 21287
Open in Google Maps ↗

Secondary Practice Location 1

Location 110755 Falls Rd Ste 360Lutherville, MD 21093-4671 · Phone (443) 997-0270

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. Sean Paul Gaine Md 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

DR. KERRY LEE SHANNON MD, DRPH, MPH
Emergency Medicine
THE JOHNS HOPKINS HOSPITAL, 1830 E. MONUMENT ST, SUITE 6-100
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
JESSICA HODGE RUBENS M.D.
Pediatrics
THE JOHNS HOPKINS HOSPITAL, 1800 ORLEANS STREET
BALTIMORE, MD 21287
Baltimore City (410) 955-2727
BEDRI ABUBAKER-SHARIF
Student in an Organized Health Care Education/Training Program
THE JOHNS HOPKINS HOSPITAL, 600 NORTH WOLFE STREET
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
ATUL NAKHASI
Internal Medicine
THE JOHNS HOPKINS HOSPITAL, 600 NORTH WOLFE STREET
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
MR. MATTHEW SCHIMMEL
Internal Medicine (Pulmonary Disease)
THE JOHNS HOPKINS HOSPITAL, 1800 ORLEANS STREET
BALTIMORE, MD 21287
Baltimore City (410) 955-3613
MS. CAROL SUSAN JAMES P.A.-C.
Physician Assistant (Surgical)
THE JOHNS HOPKINS HOSPITAL, HARVEY 811, 600 N. WOLFE STREET
BALTIMORE, MD 21287
Baltimore City (410) 614-4449
ELISABETH MARSHALL NICKELS PH.D.
Psychologist
THE JOHNS HOPKINS HOSPITAL, 600 N WOLFE ST. , MEYER 1-163
BALTIMORE, MD 21287
Baltimore City (410) 614-4030
JYI CHENG NG MD
Student in an Organized Health Care Education/Training Program
THE JOHNS HOPKINS HOSPITAL, 1800 ORLEANS STREET - TOWER 110
BALTIMORE, MD 21287
Baltimore City (410) 955-5020

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 Sean Gaine's NPI number?

The NPI number for Sean Gaine is 1285216994. It was assigned to this individual provider in the NPPES registry on April 22, 2021.

Where is Sean Gaine located?

Sean Gaine practices at The Johns Hopkins Hospital 1800 Orleans St., Baltimore, MD 21287. The listed phone number is (410) 955-5000.

What is Sean Gaine's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Sean Gaine enrolled in Medicare?

Yes. Sean Gaine is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sean Gaine was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.