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MARYLOU CAYETANO THELMO M.D.
NPI 1831465178
Obstetrics & Gynecology in Brawley, CA

Active since March 30, 2012PECOS Enrolled
1166 K STREET, BRAWLEY, CA 92227(760) 344-9951 Get Directions Write a Review

NPPES record last updated: June 17, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Marylou Cayetano Thelmo M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARYLOU CAYETANO THELMO M.D. (NPI 1831465178) is an individual obstetrics & gynecology provider in Brawley, California, licensed in California (A70250) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831465178
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameMARYLOU CAYETANO THELMOCredential: M.D.
Location Address1166 K STREETBrawley, CA 92227
Mailing Address1166 K StreetBrawley, CA 92227 · (760) 344-9951
Phone(760) 344-9951
Sole ProprietorNo
Enumeration DateMarch 30, 2012
Last NPPES UpdateJune 17, 2014
✔ NPI 1831465178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · A70250
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.
1166 K STREET, Brawley, CA 92227
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marylou Cayetano Thelmo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show Marylou Thelmo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Signify Health Medical Associates Of New Jersey, LLC
2,295 mi
General Practice
116 VILLAGE BLVD STE 200
Princeton, NJ 08540
  • Reassigned Medicare billing, New Jersey enrollment
  • 421 clinicians in this Medicare group
NPI 1174187728 (877) 868-5351
Brookview Medical Associates, PLLC
2,370 mi
General Practice
80 ORVILLE DR STE 100
Bohemia, NY 11716
  • Reassigned Medicare billing, New York enrollment
  • 754 clinicians in this Medicare group
NPI 1871965855 (972) 715-3800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92227 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
$134.04 typical visit price
range $58.90 – $176.72
Typical copayment $33.51 (range $14.72 – $44.18)
Most-billed visit code 99204
Established Patient
$73.20 typical visit price
range $19.28 – $144.68
Typical copayment $18.30 (range $4.82 – $36.17)
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.

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 Marylou Thelmo's NPI number?

The NPI number for Marylou Thelmo is 1831465178. It was assigned to this individual provider in the NPPES registry on March 30, 2012.

Where is Marylou Thelmo located?

Marylou Thelmo practices at 1166 K Street, Brawley, CA 92227. The listed phone number is (760) 344-9951.

What is Marylou Thelmo's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Marylou Thelmo enrolled in Medicare?

Yes. Marylou Thelmo is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marylou Thelmo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marylou Thelmo reassigns Medicare benefits to 2 organizations: Signify Health Medical Associates Of New Jersey, LLC (Princeton, NJ) and Brookview Medical Associates, PLLC (Bohemia, NY). 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 Marylou Thelmo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marylou Thelmo was last updated on June 17, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.