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DR. JOANN M KNUDSON MD
NPI 1326080797
Obstetrics & Gynecology in New Haven, CT

Active since June 12, 2006PECOS Enrolled
73.56/100
CMS Quality Rating
55 LOCK STREET, NEW HAVEN, CT 06520(203) 432-0076(203) 432-7289 Get Directions Write a Review

NPPES record last updated: April 22, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Joann M Knudson Md NPPES

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

DR. JOANN M KNUDSON MD (NPI 1326080797) is an individual obstetrics & gynecology provider in New Haven, Connecticut, licensed in Connecticut (03118) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326080797
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. JOANN M KNUDSONCredential: MD
Location Address55 LOCK STREETNew Haven, CT 06520-8237
Mailing AddressPo Box 208237, 55 Lock StreetNew Haven, CT 06520-8237 · (203) 432-0076 · Fax (203) 432-7289
Phone(203) 432-0076
Fax(203) 432-7289
Sole ProprietorNo
Enumeration DateJune 12, 2006
Last NPPES UpdateApril 22, 2011
✔ NPI 1326080797 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in CT · 03118✔ Licensed in CT · 031118
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.
55 LOCK STREET, New Haven, CT 06520
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINC59614CT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Joann M Knudson 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 Joann Knudson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Yale University
Same address
Health Service
55 LOCK ST
New Haven, CT 06511
  • Reassigned Medicare billing, Connecticut enrollment
  • 149 clinicians in this Medicare group
NPI 1093862740 (203) 432-0076

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 06520 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
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.84
Promoting Interoperability74
Improvement Activities40
Cost51.43

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.

MOLLY MEYER APRN
Clinical Nurse Specialist (Oncology)
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
DR. SUSAN HALL FORSTER MD
Ophthalmology
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
DR. DAVID P FOX MD
Obstetrics & Gynecology
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
DR. DOROTHYANN J VAN RHIJN MD
Family Medicine
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
MRS. VANESSA LOUISE JEFFERSON MSN, C-ANP, CDE
Internal Medicine
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
DIANE M PAQUETTE APRN
Family Medicine (Adult Medicine)
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
MR. WILLIAM J. AQUILA PA
Physician Assistant
55 LOCK STREET
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076
BARBARA I GULANSKI MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
55 LOCK STREET, DANA BUILDING - 3RD FLOOR
NEW HAVEN, CT 06520
South Central Connecticut Planning Region (203) 432-0076

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 Joann Knudson's NPI number?

The NPI number for Joann Knudson is 1326080797. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Where is Joann Knudson located?

Joann Knudson practices at 55 Lock Street, New Haven, CT 06520. The listed phone number is (203) 432-0076.

What is Joann Knudson's specialty?

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

Is Joann Knudson enrolled in Medicare?

Yes. Joann Knudson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joann Knudson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joann Knudson reassigns Medicare benefits to Yale University (New Haven, CT). 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 Joann Knudson'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 Joann Knudson was last updated on April 22, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.