DR. PATRICIA C MONTEMAYOR MD
NPI 1255332037
Obstetrics & Gynecology in Leander, TX

Active since August 03, 2005PECOS EnrolledAccepts Medicare Assignment
1007 S HIGHWAY 183, LEANDER, TX 78641(512) 260-4900(512) 260-4910 Get Directions Write a Review

NPPES record last updated: March 6, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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

NPI1255332037
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. PATRICIA C MONTEMAYORCredential: MD
Location Address1007 S HIGHWAY 183Leander, TX 78641-1989
Mailing AddressPo Box 847408Dallas, TX 75284-7408 · (512) 260-4900 · Fax (512) 260-4910
Fax(512) 260-4910
Sole ProprietorNo
Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 1991
Enumeration DateAugust 3, 2005
Last NPPES UpdateMarch 6, 2013
✔ NPI 1255332037 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in TX · J3357✔ Licensed in AZ · 31609
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1007 S HIGHWAY 183, Leander, TX 78641

Other Identifiers 6

Medicare ID-Type Unspecified102822AZ
Medicaid815110AZ
Other0770270AZ · Bcbs
Other7920466AZ · Aetna
Medicare UPINH74068
Other2Z1955AZ · Healthnet

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.

PECOS PAC ID3779471552
PECOS Enrollment IDI20240403004082
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare 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.

Obstetrics & Gynecology
20 RESEARCH PL STE 320
North Chelmsford, MA 01863
  • Reassigned Medicare billing, Massachusetts enrollment
  • 41 clinicians in this Medicare group
Anesthesiology
295 VARNUM AVE
Lowell, MA 01854
  • Reassigned Medicare billing, Massachusetts enrollment
  • 220 clinicians in this Medicare group
Obstetrics & Gynecology
800 WASHINGTON ST, BOX 1013
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, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220063
Location295 Varnum AvenueLowell, MA 01854 · Middlesex County
Emergency services Birthing friendly

Physician 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.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Family Medicine
1007 S HIGHWAY 183
LEANDER, TX 78641
Physical Therapist
1007 S HIGHWAY 183
LEANDER, TX 78641
Physician Assistant
1007 S HIGHWAY 183
LEANDER, TX 78641
Physician Assistant
1007 S HIGHWAY 183
LEANDER, TX 78641
Physical Therapist
1007 S HIGHWAY 183
LEANDER, TX 78641
Family Medicine
1007 S HIGHWAY 183
LEANDER, TX 78641

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.