DR. PATRICIA C MONTEMAYOR MD
NPI 1255332037
Obstetrics & Gynecology in Leander, TX
About Dr. Patricia C Montemayor Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PATRICIA C MONTEMAYOR MD (NPI 1255332037) is an individual obstetrics & gynecology provider in Leander, Texas, licensed in Texas (J3357) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and is a graduate of Texas A & M University System, Hsc, College Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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. Patricia C Montemayor Md 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
3Medicare enrollment records show Patricia Montemayor reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
North Chelmsford, MA 01863
- Reassigned Medicare billing, Massachusetts enrollment
- 41 clinicians in this Medicare group
Lowell, MA 01854
- Reassigned Medicare billing, Massachusetts enrollment
- 220 clinicians in this Medicare group
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 93 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.
Lowell General Hospital
Acute Care Hospitals · Lowell, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 78641 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Patricia Montemayor's NPI number?
The NPI number for Patricia Montemayor is 1255332037. It was assigned to this individual provider in the NPPES registry on August 3, 2005.
Where is Patricia Montemayor located?
Patricia Montemayor practices at 1007 S Highway 183, Leander, TX 78641. The listed phone number is (512) 260-4900.
What is Patricia Montemayor's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Patricia Montemayor enrolled in Medicare?
Yes. Patricia Montemayor 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 Patricia Montemayor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Montemayor reassigns Medicare benefits to 3 organizations: Circle Health Obgyn, LLC. (North Chelmsford, MA), Lgh Medical Group, Inc. (Lowell, MA) and Pratt Ob/Gyn Associates, Inc (Boston, MA). 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 Patricia Montemayor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patricia Montemayor accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Texas, Oscar Insurance Company, Taro Health and UnitedHealthcare list Patricia Montemayor 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 Patricia Montemayor affiliated with any hospitals?
According to CMS data, Patricia Montemayor is affiliated with Lowell General Hospital.
When was this NPI record last updated?
The NPPES record for Patricia Montemayor was last updated on March 6, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.