DR. MICHAEL LAMAR M.D.
NPI 1871571984
Obstetrics & Gynecology in Round Rock, TX
About Dr. Michael Lamar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL LAMAR M.D. (NPI 1871571984) is an individual obstetrics & gynecology provider in Round Rock, Texas, licensed in Texas (K3600) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Samaritan Lebanon Community Hospital, and maintains a secondary practice location in Lebanon.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Michael Lamar M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Michael Lamar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pflugerville, TX 78660
- Reassigned Medicare billing, Texas enrollment
- 2,795 clinicians in this Medicare group
Austin, TX 78758
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Obhg Texas Holdings PA
- 998 clinicians in this Medicare group
Clovis, NM 88101
- Reassigned Medicare billing, New Mexico enrollment
- 2,331 clinicians in this Medicare group
Taos, NM 87571
- Reassigned Medicare billing, New Mexico enrollment
- 122 clinicians in this Medicare group
Fairbanks, AK 99701
- Reassigned Medicare billing, Texas enrollment
- 207 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Samaritan Lebanon Community Hospital
Critical Access Hospitals · Lebanon, ORPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78665 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROUND ROCK, TX 78665
ROUND ROCK, TX 78665
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Michael Lamar's NPI number?
The NPI number for Michael Lamar is 1871571984. It was assigned to this individual provider in the NPPES registry on January 9, 2006.
Where is Michael Lamar located?
Michael Lamar practices at 300 University Blvd, Round Rock, TX 78665. The listed phone number is (512) 509-0200.
What is Michael Lamar's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Michael Lamar enrolled in Medicare?
Yes. Michael Lamar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Michael Lamar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Lamar reassigns Medicare benefits to 5 organizations: Scott & White Clinic (Pflugerville, TX), Obhg Texas Holdings, P.A. (Austin, TX), Presbyterian Healthcare Services (Clovis, NM), Taos Health Systems Inc Holy Cross Hospital (Taos, NM) and Tanana Chiefs Conference (Fairbanks, AK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Lamar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Michael Lamar accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, BridgeSpan Health Company, CHRISTUS Health Plan and Premera Blue Cross Blue Shield of Alaska and 1 other insurer list Michael Lamar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Michael Lamar affiliated with any hospitals?
According to CMS data, Michael Lamar is affiliated with Samaritan Lebanon Community Hospital.
When was this NPI record last updated?
The NPPES record for Michael Lamar was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Michael Lamar, M.D. · NPI 1871571984
Obstetrics & Gynecology physician in Round Rock, Texas. Individual provider, active in the CMS NPPES registry since January 9, 2006.
## Identity
- **NPI:** 1871571984 (Entity type: Individual)
- **Enumerated:** January 9, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** K3600 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 UNIVERSITY BLVD, Round Rock, TX 78665-1032
- **Phone:** (512) 509-0200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Scott & White Clinic (NPI 1679691729, Pflugerville, TX); Obhg Texas Holdings, P.A. (NPI 1083917769, Austin, TX); Presbyterian Healthcare Services (NPI 1629053509, Clovis, NM); Taos Health Systems Inc Holy Cross Hospital (NPI 1194751958, Taos, NM); Tanana Chiefs Conference (NPI 1821201278, Fairbanks, AK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Texas A & M University System, Hsc, College Of Medicine, class of 1996
## Record status
- **NPPES last updated:** March 11, 2026
- **Other identifiers:** Medicaid 1036741-01 (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1871571984) · Data from the CMS NPPES public registry.