Individual provider Active NPI

Barbara K Estes, M.D.

  • Obstetrics & Gynecology Physician
  • Prince Frederick, MD
National Provider Identifier
1508998816
Registry record updated Oct 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
D0051686 Issued in MD
Practice address
110 Hospital Rd Ste 310
Prince Frederick, MD 20678-4041
Phone
(410) 414-4740
Fax
(410) 414-4741
NPI assigned
Mar 12, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 9, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X D0051686 MD Primary

Addresses

Primary practice location

110 Hospital Rd Ste 310
Prince Frederick, MD 20678-4041

Mailing address

110 Hospital Rd Ste 310
Prince Frederick, MD 20678-4041
Phone (410) 414-4740

Other identifiers 5

IdentifierTypeStateIssuer
366471OtherMAMSI UNITED HEALTH CARE
6906-0003OtherBLUE SHIELD DC
745446500MedicaidMD
2217681OtherAETNA US HEALTHCARE
603792-03OtherBLUE SHIELD OF MARYLAND

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address barbara.estes.p1@direct.calverthealth.nextgenshare.com Health Information Exchange (HIE) CalvertHealth Medical Group, LLC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
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 1

Enrollment IDStateProvider typePAC IDDetails
I20050122000048 MD Practitioner - Obstetrics/Gynecology 9537118021 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
George Washington University School of Medicine, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Calverthealth Medical Group, LLCGroup PAC ID 2163562695, 50 clinicians

Practice addresses (Care Compare)

110 Hospital Rd
Suite 203
Prince Frederick, MD 20678-4045
Phone (410) 414-4740

Hospital & facility affiliations

  • Calverthealth Medical Center Hospital, Prince Frederick, MD, CCN 210039
  • Medstar Saint Mary'S Hospital Hospital, Leonardtown, MD, CCN 210028

Merit-based Incentive Payment System (MIPS)

Final score
86.48 of 100Reported as group
Quality
74.54
Promoting interoperability
99
Improvement activities
40
Cost
81.24

Procedures performed for Medicare patients

ProcedureNumber of procedures
Skin biopsy1-10
Removal of the uterus1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
D0051686MDMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Calverthealth Medical Group, LLC Obstetrics & Gynecology CurrentSince Nov 1, 2016 Accepting new patients
Calverthealth Medical Group, LLC Obstetrics & Gynecology CurrentSince Nov 1, 2016 Accepting new patients
Calverthealth Medical Group, LLC Obstetrics & Gynecology Current Accepting new patients
Calvert OBGYN Associates of Southern Maryland, LLC Obstetrics & Gynecology PastSince Sep 1, 2013 Accepting new patients

Locations

8924 Chesapeake Ave
North Beach, MD 20714
Phone (410) 257-7279

110 Hospital Rd
Ste 211
Prnc Frederck, MD 20678
Phone (410) 535-5610

110 Hospital Rd
Ste 310
Prnc Frederck, MD 20678
Phone (410) 414-4740

110 Hospital Rd
Ste 203
Prnc Frederck, MD 20678
Phone (410) 414-4740

Interoperability endpoints

  • Direct secure messaging: barbara.estes@directcalverthospital.org
  • Direct secure messaging: barbara.estes.p1@direct.calverthealth.nextgenshare.com

Organizations & group practices 4

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1173657600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759968000000",
    "number": "1508998816",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "110 HOSPITAL RD STE 310",
            "city": "PRINCE FREDERICK",
            "state": "MD",
            "postal_code": "206784041",
            "telephone_number": "410-414-4740",
            "fax_number": "410-414-4741"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "110 HOSPITAL RD STE 310",
            "city": "PRINCE FREDERICK",
            "state": "MD",
            "postal_code": "206784041",
            "telephone_number": "410-414-4740",
            "fax_number": "410-414-4741"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ESTES",
        "first_name": "BARBARA",
        "middle_name": "K",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-03-12",
        "last_updated": "2025-10-09",
        "certification_date": "2025-10-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "MD",
            "license": "D0051686",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MAMSI  UNITED HEALTH CARE",
            "identifier": "366471",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD DC",
            "identifier": "6906-0003",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "745446500",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA US HEALTHCARE",
            "identifier": "2217681",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE SHIELD OF MARYLAND",
            "identifier": "603792-03",
            "state": null
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "barbara.estes.p1@direct.calverthealth.nextgenshare.com",
            "affiliation": "Y",
            "endpointDescription": "Direct Messaging address to send CCDAs",
            "affiliationName": "CalvertHealth Medical Group, LLC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDAs",
            "address_1": "110 Hospital Rd Ste 203",
            "city": "Prince Frederick",
            "state": "MD",
            "country_code": "US",
            "postal_code": "206784045",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Prince Frederick, MD

Sources for this page

Verify at the official NPI Registry.