Active NPI
Maximilian Herwig
- Family Nurse Practitioner
- Eldersburg, MD
National Provider Identifier
1073497756
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- R234231
- Practice address
- 5963 Exchange Dr Ste 100
Eldersburg, MD 21784-9256 - Phone
- (410) 549-0900
- NPI assigned
- Aug 4, 2025
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Family Nurse Practitioner | 363LF0000X | R234231 | MD | Primary |
Addresses
Primary practice location
5963 Exchange Dr Ste 100
Eldersburg, MD 21784-9256
Mailing address
5963 Exchange Dr Ste 100
Eldersburg, MD 21784-9256
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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2025
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
950 N Glebe Rd
Suite 700
Arlington, VA 22203-4173
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| R234231 | MD | MD | Family Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Medical Associates of Central Virginia, Inc. | Past | Accepting new patients |
Interoperability endpoints
- maximilian.herwig.1@8042.direct.athenahealth.com
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
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- Lynchburg, VA
- NPI 1912970260
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1754265600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754265600000",
"number": "1073497756",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5963 EXCHANGE DR STE 100",
"city": "ELDERSBURG",
"state": "MD",
"postal_code": "217849256"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5963 EXCHANGE DR STE 100",
"city": "ELDERSBURG",
"state": "MD",
"postal_code": "217849256",
"telephone_number": "410-549-0900"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HERWIG",
"first_name": "MAXIMILIAN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-08-04",
"last_updated": "2025-08-04",
"certification_date": "2025-08-04",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "MD",
"license": "R234231",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Eldersburg, MD
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 4, 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.