Mark Blackwelder, M.D.

Individual provider Active NPI Internal Medicine Physician · Ruston, LA

NPI 1245200880 · NPPES record last updated Oct 15, 2009

Key facts

NPI
1245200880
Entity type
Individual (NPI type 1)
Primary specialty
Internal Medicine Physician 207R00000X
License
18456 (LA)
Practice address
1200 S Farmerville St
Ruston, LA 71270-5941
Phone
(318) 255-3690
NPI assigned
Jan 25, 2006
Sex
Male
Sole proprietor
No

Organizations & group practices 6

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 6

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

Medicare Care Compare profile

Specialty
Internal Medicine
Education
Louisiana State University School of Medicine in Shreveport, 1985
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Green Clinic LLC (29 clinicians)

Practice addresses (Care Compare)

1200 S Farmerville St
Ruston, LA 71270-5941
Phone (318) 255-3690

Hospital & facility affiliations

  • Magnolia Home Health Care, Inc Home health agency · Arcadia, LA · CCN 197447
  • Primestar Home Health of Nwla, Inc Home health agency · Minden, LA · CCN 197446
  • Lagniappe Homecare Northern Louisiana Home health agency · Ruston, LA · CCN 197197
  • Best Home Health Home health agency · West Monroe, LA · CCN 197086
  • Allegiance Home Health of Northeast la Home health agency · West Monroe, LA · CCN 197550
  • Northern Louisiana Medical Center Hospital · Ruston, LA · CCN 190086

Merit-based Incentive Payment System (MIPS)

Final score
81.51 of 100 (apm)
Quality
60.04
Promoting interoperability
100
Improvement activities
40

Medicare participation

Medicare fee-for-service enrollment
Enrolled in LA
Eligible to order & refer
Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment IDStateProvider typePAC IDDetails
I20100303001150 LA Practitioner - Internal Medicine 0345320974 Reassigns benefits to 2 organizations

National Provider Directory

Medicare enrollment (NPD)
Yes
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
18456LAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Green Clinic LLC Current
since Feb 1, 1990
Accepting new patients
Green Clinic LLC Internal Medicine Current
since Feb 1, 1990
Accepting new patients
CLHG-Ruston LLC Current
since Dec 1, 2025
Accepting new patients
CLHG-Ruston LLC Current
since Dec 1, 2025
Accepting new patients

Locations

1200 S Farmerville St
Ruston, LA 71270
Phone (318) 251-6103

411 E Vaughn Ave
Ste 104
Ruston, LA 71270
Phone (318) 254-2453

401 E Vaughn Ave
Ruston, LA 71270
Phone (318) 254-2100

Interoperability endpoints

  • Direct secure messaging: nlmmblack@yourcarecommunity.org
  • Direct secure messaging: mark.blackwelder.1@26990.direct.athenahealth.com
  • Direct secure messaging: mark.blackwelder@gcmc.directbygreenway.com

Specialties & licenses

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 18456 LA Yes

Addresses

Primary practice location

1200 S Farmerville St
Ruston, LA 71270-5941

Mailing address

1200 S Farmerville St
Ruston, LA 71270-5941
Phone (318) 255-3690

Other providers in Ruston, LA

All providers in Ruston, LA · Internal Medicine Physician in Louisiana

Sources for this page

Verify at the official NPI Registry.