Active NPI
Barbara K Estes, M.D.
- Obstetrics & Gynecology Physician
- Prince Frederick, MD
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- D0051686
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 366471 | Other | MAMSI UNITED HEALTH CARE | |
| 6906-0003 | Other | BLUE SHIELD DC | |
| 745446500 | Medicaid | MD | |
| 2217681 | Other | AETNA US HEALTHCARE | |
| 603792-03 | Other | BLUE SHIELD OF MARYLAND |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Enrollment records 1
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
Practice addresses (Care Compare)
110 Hospital Rd
Suite 203
Prince Frederick, MD 20678-4045
Phone (410) 414-4740
Hospital & facility affiliations
- Calverthealth Medical Center
- Medstar Saint Mary'S Hospital
Merit-based Incentive Payment System (MIPS)
- Final score
- 86.48 of 100
- Quality
- 74.54
- Promoting interoperability
- 99
- Improvement activities
- 40
- Cost
- 81.24
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Skin biopsy | 1-10 |
| Removal of the uterus | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| D0051686 | MD | MD | Obstetrics & Gynecology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Calverthealth Medical Group, LLC | Obstetrics & Gynecology | Current | Accepting new patients |
| Calverthealth Medical Group, LLC | Obstetrics & Gynecology | Current | Accepting new patients |
| Calverthealth Medical Group, LLC | Obstetrics & Gynecology | Current | Accepting new patients |
| Calvert OBGYN Associates of Southern Maryland, LLC | Obstetrics & Gynecology | Past | 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
- barbara.estes@directcalverthospital.org
- 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.
-
- Family Medicine Physician
- Prince Frederick, MD
- NPI 1386871390
Obstetrics & Gynecology
-
- Family Medicine Physician
- Solomons, MD
- NPI 1396534418
Obstetrics & Gynecology
-
- Obstetrics & Gynecology Physician
- Prince Frederick, MD
- NPI 1659118487
-
- Obstetrics & Gynecology Physician
- Prince Frederick, MD
- NPI 1104940139
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Prince Frederick, MD
- NPI 1457389298
-
- General Acute Care Hospital
- Leonardtown, MD
- NPI 1780650473
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 9, 2025; 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.