Ronald D. Jeffreys, D.O.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

OS023315 Issued in PA

Practice address

8800 Walther Blvd
Baltimore, MD 21234-9001

Phone

(410) 882-3240

Fax

(410) 661-5093

NPI assigned

Apr 24, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 7

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MD, PA2 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

Internal Medicine

Education

Philadelphia College of Osteopathic Medicine, 1995

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Pinnacle Health Hospitalist Services LLCGroup PAC ID 9739313545, 180 clinicians

Erickson Health Medical Group of Maryland, PCGroup PAC ID 2860304136, 38 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Oak Crest Village, Inc. Home health agency, Baltimore, MD, CCN 217155
• Gilchrist Hospice Care, Inc Hospice, Hunt Valley, MD, CCN 211526
• Upmc Memorial Hospital, York, PA, CCN 390101
• Oak Crest Village Nursing home, Parkville, MD, CCN 215308

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rjeffreys129679@direct.umm.edu
• Direct secure messaging: rjeffreys291798@upmc.direct-ci.com
• FHIR API: https://api.platform.athenahealth.com/1902/brand/6/csg/45/fhir/r4

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

• Oak Crest Village, Inc

  • Skilled Nursing Facility
  • Parkville, MD
  • NPI 1871555490

  Adp of the SNF, Operational/Managerial Control

  CMS ownership

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.

• Erickson Health Medical Group of Maryland PC

  • Internal Medicine Physician
  • Catonsville, MD
  • NPI 1598816449
  Medicare reassignment Care Compare group NPD
• Pinnacle Health Hospitalist Services LLC

  • Hospitalist Physician
  • Harrisburg, PA
  • NPI 1023458148

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Adfinitas Health at Upper Chesapeake Harford Memorial LLC

  • Hospitalist Physician
  • Havre de Grace, MD
  • NPI 1457051724
  Medicare reassignment NPD
• Upper Chesapeake Medical Services, Inc

  • Hospitalist Physician
  • Bel Air, MD
  • NPI 1497801419
  Medicare reassignment
• Erickson Health Medical Group of Maryland PC

  • Internal Medicine Physician
  • Baltimore, MD
  • NPI 1093735474
  NPD
• Erickson Health Medical Group of Maryland PC

  • Geriatric Medicine (Internal Medicine) Physician
  • Bethesda, MD
  • NPI 1518830611
  NPD
• Crossroads Medical Associates, LLC

  • Internal Medicine Physician
  • Ellicott City, MD
  • NPI 1720103500
  NPD (past)
• Franklin Square Hospital Center, Inc.

  • Orthopaedic Surgery Physician
  • Baltimore, MD
  • NPI 1952722837
  NPD (past)
• Helixcare Medical Group, LLC

  • Urology Physician
  • Mechanicsville, MD
  • NPI 1164725529
  NPD (past)
• Oak Crest Village, Inc

  • Skilled Nursing Facility
  • Parkville, MD
  • NPI 1871555490
  NPD (past)
• St. Joseph Physician Enterprise

  • Multi-Specialty Clinic/Center
  • Towson, MD
  • NPI 1518143304
  NPD (past)
• Upmc Memorial

  • General Acute Care Hospital
  • York, PA
  • NPI 1063945707
  NPD (past)

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

• Gilchrist Hospice Care Inc.

  • Inpatient Hospice
  • Towson, MD
  • NPI 1780773408
  Care Compare affiliation
• Oak Crest Village, Inc

  • Skilled Nursing Facility
  • Parkville, MD
  • NPI 1871555490

  Nursing home

  Care Compare affiliation
• Oak Crest Village, Inc.

  • Home Health Agency
  • Parkville, MD
  • NPI 1174558910
  Care Compare affiliation
• Upmc Memorial

  • General Acute Care Hospital
  • York, PA
  • NPI 1063945707
  Care Compare affiliation
• Upmc Memorial

  • Ambulatory Surgical Clinic/Center
  • York, PA
  • NPI 1235664186

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1145836800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1750347282",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5730 EXECUTIVE DR STE 230",
            "city": "CATONSVILLE",
            "state": "MD",
            "postal_code": "212281762",
            "telephone_number": "410-882-3240",
            "fax_number": "410-661-5093"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8800 WALTHER BLVD",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212349001",
            "telephone_number": "410-882-3240",
            "fax_number": "410-661-5093"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7051 Rockledge Dr",
            "address_purpose": "LOCATION",
            "city": "Bethesda",
            "state": "MD",
            "postal_code": "208171680",
            "country_code": "US",
            "telephone_number": "301-272-9830",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3110 Gracefield Rd",
            "address_purpose": "LOCATION",
            "city": "Silver Spring",
            "state": "MD",
            "postal_code": "209041820",
            "country_code": "US",
            "telephone_number": "301-572-8340",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1701 Innovation Dr",
            "address_purpose": "LOCATION",
            "city": "York",
            "state": "PA",
            "postal_code": "174088815",
            "country_code": "US",
            "telephone_number": "717-843-8623",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "711 Maiden Choice Ln",
            "address_purpose": "LOCATION",
            "city": "Catonsville",
            "state": "MD",
            "postal_code": "212283632",
            "country_code": "US",
            "telephone_number": "410-247-5602",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JEFFREYS",
        "first_name": "RONALD",
        "middle_name": "D.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-24",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MD",
            "license": "H0052365",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "OS023315",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "EVERCARE",
            "identifier": "04-42052",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TRICARE NORTH",
            "identifier": "522096682002",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BCBS OF MD",
            "identifier": "093NER-769698-06",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BCBS OF MD",
            "identifier": "093NSE-769698-06",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "805701000",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CAREFIRST BCBS OF DC",
            "identifier": "9676-0045",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAID",
            "identifier": "805701000",
            "state": "MD"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "rjeffreys261700@phsdirect.pinnaclehealth.org",
            "affiliation": "N",
            "address_1": "1701 Innovation Dr",
            "city": "York",
            "state": "PA",
            "country_code": "US",
            "postal_code": "174088815",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Patricia Moody Jefferson, MSW, LCSW-C, LCSW
• Samantha Brooke Jefferson, LCSW-C
• Tyrahna Jefferson, CRANIAL PROSTHESIS
• Dean Thomas Jeffery, M.D., FRCPC
• Monifa S Jeffrey-Riggins, MSW, LCSWC
• Ashley Marie Jeffries, LCSW-C
• Brianna Jeffries
• Fern Jeffries, M.D.
• Sharral Jeffries, MPH, LMSW
• Vanessa Ozomaro Jeffries, M.D

• Internal Medicine Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Internal Medicine Physician in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; 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.