NPIMap

Individual provider Active NPI

Srinivasa Narayanaswamy, MD

  • Internal Medicine Physician
  • Baltimore, MD
National Provider Identifier
1285897868
Registry record updated Oct 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
D74816 Issued in MD
Practice address
22 S Greene St
Baltimore, MD 21201-1544
Phone
(410) 328-2882
Fax
(410) 328-2977
NPI assigned
Jul 3, 2008
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 13, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X D74816 MD Primary
Internal Medicine Physician 207R00000X MD13150 RI
Internal Medicine Physician 207R00000X MD434776 PA

Addresses

Primary practice location

22 S Greene St
Baltimore, MD 21201-1544

Mailing address

22 S Greene St
Baltimore, MD 21201-1544
Phone (410) 328-2882

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, MD2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20080728000567 PA Practitioner - Internal Medicine 8426122235 Reassigns benefits to 2 organizations
I20150211000148 MD Practitioner - Internal MedicinePractitioner - Hospitalist 8426122235 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
Other, 1996
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Geisinger ClinicGroup PAC ID 5395657001, 3,432 clinicians

Practice addresses (Care Compare)

22 S Green St
Baltimore, MD 21201-1544
Phone (410) 328-8040

400 Highland Ave
Lewistown, PA 17044-1167
Phone (717) 248-5411

7601 Osler Dr
Towson, MD 21204-7700
Phone (410) 337-1379

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
MD434776PAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Geisinger-HM Joint Venture, LLC Current Accepting new patients
Geisinger Clinic CurrentSince Jul 1, 2025 Accepting new patients
University of Maryland Physicians P.a. CurrentSince Apr 1, 2025 Accepting new patients
Emergency Medicine Associates, PA CurrentSince Jan 14, 2026 Accepting new patients
Emergency Medicine Associates P.a., P.C. Internal Medicine CurrentSince Jan 14, 2026 Accepting new patients
Geisinger-HM Joint Venture, LLC CurrentSince Jul 1, 2025 Accepting new patients
University of Maryland St. Joseph Medical Group, LLC Current Accepting new patients
St Agnes Healthcare Inc Internal Medicine CurrentSince Sep 25, 2015 Accepting new patients
University of Maryland Physicians, P.a. Internal Medicine CurrentSince Apr 1, 2025 Accepting new patients
University of Maryland Physicians P.a. Current Accepting new patients
Geisinger Clinic Current Accepting new patients
St Agnes Healthcare Inc CurrentSince Sep 25, 2015 Accepting new patients
University of Maryland St. Joseph Medical Group, LLC CurrentSince Jul 1, 2025 Accepting new patients
Geisinger-HM Joint Venture, LLC CurrentSince Jul 1, 2025 Accepting new patients
Geisinger Clinic CurrentSince Jul 1, 2025 Accepting new patients
Geisinger Clinic Past Accepting new patients
University of Maryland Medical Center, LLC Past Accepting new patients
Geisinger Lewistown Hospital Past Accepting new patients
University of Maryland St. Joseph Medical Center, LLC Past Accepting new patients
St. Agnes Healthcare, Inc. Past Accepting new patients
Maryland General Hospital Inc Past Accepting new patients

Locations

900 S Caton Ave
Baltimore, MD 21229
Phone (410) 368-3120

22 S Greene St
Baltimore, MD 21201
Phone (410) 328-5793

900 Elkridge Landing Rd
Fl 2
Linthicum Heights, MD 21090
Phone (443) 462-5010

100 Hospital Rd
Prnc Frederck, MD 20678
Phone (410) 414-4791

7601 Osler Dr
Towson, MD 21204
Phone (410) 337-1150

549 Fair St
Bloomsburg, PA 17815
Phone (570) 387-2100

4200 Hospital Rd
Coal Township, PA 17866
Phone (570) 644-4200

100 N Academy Ave
Danville, PA 17822

1020 Thompson St
Jersey Shore, PA 17740
Phone (570) 398-0100

400 Highland Ave
Lewistown, PA 17044
Phone (717) 242-7473

10 Choate Cir
Montoursville, PA 17754
Phone (570) 368-5566

255 Route 220 Hwy
Muncy, PA 17756
Phone (570) 308-2600

1800 Mulberry St
Scranton, PA 18510
Phone (570) 703-7351

1000 E Mountain Blvd
Wilkes Barre, PA 18711
Phone (570) 808-7399

25 Church St
Wilkes Barre, PA 18702
Phone (570) 340-5800

Interoperability endpoints

  • Direct secure messaging: snarayanaswamy1249287@direct.umm.edu

Organizations & group practices 22

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 22

Hospital & facility affiliations 15

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 15

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1215043200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760313600000",
    "number": "1285897868",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-2882"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-2882",
            "fax_number": "410-328-2977"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NARAYANASWAMY",
        "first_name": "SRINIVASA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-07-03",
        "last_updated": "2025-10-13",
        "certification_date": "2025-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "D74816",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "RI",
            "license": "MD13150",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD434776",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.