Naresh Ramarajan, M.D.

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

274025 Issued in MA

Practice address

243 Charles St
Boston, MA 02114-3002

Phone

(617) 573-3431

Fax

(617) 573-3195

NPI assigned

May 5, 2009

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, MA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Emergency Medicine

Education

Stanford University School of Medicine, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Boston Emergency Physician Foundation IncGroup PAC ID 4981596095, 74 clinicians

Lawrence General HospitalGroup PAC ID 5092725200, 124 clinicians

Antelope Valley Emergency Medical Associates IncGroup PAC ID 7517851959, 34 clinicians

Massachusetts Eye and Ear Associates, IncGroup PAC ID 4486540275, 430 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Boston Medical Center Hospital, Boston, MA, CCN 220031
• Massachusetts Eye and Ear Infirmary - Hospital, Boston, MA, CCN 220075

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: nramarajan18293@direct.neighborhealth.masshiway.net
• Direct secure messaging: nramarajan172234@direct.bmc.masshiway.net

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.

• Boston Emergency Physician Foundation, Inc.

  • Emergency Medicine Physician
  • Boston, MA
  • NPI 1427005859
  Medicare reassignment Care Compare group NPD
• Lawrence General Hospital

  • General Acute Care Hospital
  • Lawrence, MA
  • NPI 1750381281

  Emergency Medicine

  Medicare reassignment Care Compare group NPD
• Massachusetts Eye and Ear Associates, Inc.

  • Ophthalmology Physician
  • Boston, MA
  • NPI 1932574332

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Antelope Valley Emergency Medical Associates Inc

  • Emergency Medicine Physician
  • Lancaster, CA
  • NPI 1225054257
  Medicare reassignment Care Compare group NPD
• Cambridge Public Health Commission

  • General Acute Care Hospital
  • Cambridge, MA
  • NPI 1932313228
  Medicare reassignment NPD
• Child Health Foundation of Boston, Inc.

  • Pediatrics Physician
  • Boston, MA
  • NPI 1619969920
  Medicare reassignment NPD
• Internal Medical Associates-Ebnhc

  • Community Health Clinic/Center
  • East Boston, MA
  • NPI 1558481879
  Medicare reassignment NPD
• Neighborhealth Corporation

  • Community Health Clinic/Center
  • East Boston, MA
  • NPI 1316994411
  Medicare reassignment NPD
• County of Los Angeles

  • General Acute Care Hospital
  • Torrance, CA
  • NPI 1851363188
  Medicare reassignment NPD
• Glendale Adventist Emergency Physicians Incorporated

  • Emergency Medicine Physician
  • Glendale, CA
  • NPI 1679907869
  Medicare reassignment NPD
• Pinnacle Emergency Physicians of Bakersfield, a Professional Corp

  • Emergency Medicine Physician
  • Bakersfield, CA
  • NPI 1619153251
  Medicare reassignment NPD
• Navya Care PC

  • Health Educator
  • Cambridge, MA
  • NPI 1376367573
  NPD Authorized official

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

• Boston Medical Center

  • Clinic/Center
  • Dorchester, MA
  • NPI 1487844726

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1164177028
  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • South Boston, MA
  • NPI 1225228679

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1346218294
  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • Roslindale, MA
  • NPI 1386718823

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • Dorchester, MA
  • NPI 1780874677

  Hospital

  Care Compare affiliation
• Boston Medical Center Corporation

  • Community Health Clinic/Center
  • East Boston, MA
  • NPI 1861683518

  Hospital

  Care Compare affiliation
• Massachusetts Eye and Ear Infirmary

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1639101751
  Care Compare affiliation
• Medical Associates of Ebnhc

  • Community Health Clinic/Center
  • East Boston, MA
  • NPI 1255451597

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1241481600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767571200000",
    "number": "1407080450",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "243 CHARLES ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021143002",
            "telephone_number": "617-573-3431",
            "fax_number": "617-573-3195"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "243 CHARLES ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021143002",
            "telephone_number": "617-573-3431",
            "fax_number": "617-573-3195"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Boston Medical Ctr Pl",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021182908",
            "country_code": "US",
            "telephone_number": "617-414-5481",
            "fax_number": "617-414-7759",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "520 E Wilson Ave Ste 245",
            "address_purpose": "LOCATION",
            "city": "Glendale",
            "state": "CA",
            "postal_code": "912064356",
            "country_code": "US",
            "telephone_number": "650-796-5447",
            "fax_number": "818-265-7905",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RAMARAJAN",
        "first_name": "NARESH",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-05-05",
        "last_updated": "2026-01-05",
        "certification_date": "2026-01-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "274025",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A113658",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A113658",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Vaishnavi Raman, MD
• Natasha Ramanayake
• Subha Ramani, M.D., MPH
• Arun J Ramappa, M.D.
• Kelly Ramappa
• Priya Ramaswamy, MD, M.ENG
• Sridhar Ramaswamy, MD
• Aksharananda Rambachan, MD, MPH
• Paula Kamini P. Rambarat, M.D.
• Valeria Ramdin, NP

• Emergency Medicine Physician in Boston, MA
• Providers in Boston, MA by specialty
• Emergency Medicine Physician in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.