1. Home
  2. Directory
  3. Maine
  4. Brunswick
  5. Urology
  6. NPI Profile

CAITLYN DESIR MD
NPI 1902483340
Urology in Brunswick, ME

Active since March 24, 2021PECOS Enrolled
81 MEDICAL CENTER DR STE 2350, BRUNSWICK, ME 04011(207) 373-6690(207) 956-5194 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 28, 2022, Mar 24, 2021 (2 updates tracked since 2021).

About Caitlyn Desir Md NPPES

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

CAITLYN DESIR MD (NPI 1902483340) is an individual urology provider in Brunswick, Maine, licensed in Maine (MD30528) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Portland.

NPPES Registry Identity

NPI1902483340
Entity TypeIndividualFemale
Primary Taxonomy208800000X
Provider Legal NameCAITLYN DESIRCredential: MD
Location Address81 MEDICAL CENTER DR STE 2350Brunswick, ME 04011-2780
Mailing Address81 Medical Center Dr Ste 2350Brunswick, ME 04011-2780 · (207) 373-6690 · Fax (207) 956-5194
Phone(207) 373-6690
Fax(207) 956-5194
Sole ProprietorNo
Enumeration DateMarch 24, 2021
Last NPPES UpdateJune 25, 20262 updates tracked since enumeration
NPPES CertifiedJune 25, 2026
✔ NPI 1902483340 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License✔ Licensed in ME · MD30528
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
81 MEDICAL CENTER DR STE 2350, Brunswick, ME 04011
Open in Google Maps ↗

Secondary Practice Location 1

Location 122 Bramhall StPortland, ME 04102-3175 · Phone (207) 662-0111

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Caitlyn Desir Md 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 Reassignment

Medicare enrollment records show Caitlyn Desir reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mainehealth
0.3 mi
Multi-Specialty
123 MEDICAL CENTER DR
Brunswick, ME 04011
  • Reassigned Medicare billing, Maine enrollment
  • 3,140 clinicians in this Medicare group
NPI 1902422561 (207) 729-0181

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 04011 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
$128.83 typical visit price
range $56.28 – $169.96
Typical copayment $32.20 (range $14.07 – $42.49)
Most-billed visit code 99204
Established Patient
$70.13 typical visit price
range $18.22 – $138.92
Typical copayment $17.53 (range $4.55 – $34.73)
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 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RICHARD HARTNETT M.D.
Urology
81 MEDICAL CENTER DR STE 2350
BRUNSWICK, ME 04011
Cumberland County (207) 373-6690
ALLISON LOUISE BROWN FNP
Nurse Practitioner (Family)
81 MEDICAL CENTER DR STE 2350
BRUNSWICK, ME 04011
Cumberland County (207) 373-6690

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 Caitlyn Desir's NPI number?

The NPI number for Caitlyn Desir is 1902483340. It was assigned to this individual provider in the NPPES registry on March 24, 2021.

Where is Caitlyn Desir located?

Caitlyn Desir practices at 81 Medical Center Dr Ste 2350, Brunswick, ME 04011. The listed phone number is (207) 373-6690.

What is Caitlyn Desir's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Caitlyn Desir enrolled in Medicare?

Yes. Caitlyn Desir is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Caitlyn Desir's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caitlyn Desir reassigns Medicare benefits to Mainehealth (Brunswick, ME). The 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 Caitlyn Desir's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caitlyn Desir accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Caitlyn Desir 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.

When was this NPI record last updated?

The NPPES record for Caitlyn Desir was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.