1. Home
  2. Directory
  3. Connecticut
  4. New Haven
  5. Nurse Practitioner
  6. NPI Profile

MRS. COLLEEN PATRICIA BASER APRN, NP-C
NPI 1225994163
Nurse Practitioner - Family in New Haven, CT

Active since January 05, 2026PECOS Enrolled
20 YORK ST, NEW HAVEN, CT 06510(203) 747-7300 Get Directions Write a Review

NPPES record last updated: March 31, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 31, 2026, Jan 5, 2026 (2 updates tracked since 2026).

About Mrs. Colleen Patricia Baser Aprn, Np-c NPPES

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

MRS. COLLEEN PATRICIA BASER APRN, NP-C (NPI 1225994163) is an individual family provider in New Haven, Connecticut, licensed in Connecticut (15001) and active in the NPI registry since January 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1225994163
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. COLLEEN PATRICIA BASERCredential: APRN, NP-C
Location Address20 YORK STNew Haven, CT 06510-3220
Mailing Address20 York StNew Haven, CT 06510-3220 · (203) 747-7300
Phone(203) 747-7300
Sole ProprietorNo
Medical School CMSOtherGraduated 2025
Enumeration DateJanuary 5, 2026
Last NPPES UpdateMarch 31, 20262 updates tracked since enumeration
NPPES CertifiedMarch 31, 2026
✔ NPI 1225994163 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CT · 15001
20 YORK ST, New Haven, CT 06510
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Colleen Patricia Baser Aprn, Np-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901360502
PECOS Enrollment IDI20260715000358
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06510 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
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 20

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

AUDREY P SENIOR APRN
Nurse Practitioner (Family)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-5860
DR. YEISID F FIGUEREDO M.D.
Pediatrics (Neonatal-Perinatal Medicine)
20 YORK ST, DEPT OF NEONATOLOGY
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2320
YALE NEW HAVEN HOSPITAL
Durable Medical Equipment & Medical Supplies (Customized Equipment)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-2046
TAYLOR KINGSTON
Dietitian, Registered
20 YORK ST, FOOD AND NUTRITION EPB806
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-9185
DR. TRAVIS DANIEL BONTRAGER MD
Hospitalist
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-1734
NEEHARIKA THOTTEMPUDI MBBS
Psychiatry & Neurology (Neurology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242
TERESA JOSEPH D.O.
Internal Medicine (Nephrology)
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 737-8894
MR. BRAD ST. MARTIN MD
Obstetrics & Gynecology
20 YORK ST
NEW HAVEN, CT 06510
South Central Connecticut Planning Region (203) 688-4242

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 Colleen Baser's NPI number?

The NPI number for Colleen Baser is 1225994163. It was assigned to this individual provider in the NPPES registry on January 5, 2026.

Where is Colleen Baser located?

Colleen Baser practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 747-7300.

What is Colleen Baser's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Colleen Baser enrolled in Medicare?

Yes. Colleen Baser is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Colleen Baser was last updated on March 31, 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.