Joann M. Knudson, MD
Obstetrics & Gynecology Physician · New Haven, CT
Joann M. Knudson, MD is an obstetrics & gynecology physician with a practice address in New Haven, Connecticut, and NPI 1326080797, issued on Jun 12, 2006. Check the license (Connecticut 03118, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Joann M. Knudson
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 03118 CT
031118 CT
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lock Street, New Haven, CT 06520
- Phone
- (203) 432-0076
- Enumerated
- Jun 12, 2006
- Record last updated
- Apr 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (203) 432-7289
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 707 in Connecticut → Look up another NPI →
Also registered at 55 Lock Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Thomas Brady, PA-CPhysician Assistant1447287826
- Joan Cho, MDEndocrinology, Diabetes & Metabolism Physician1942242490
- Elizabeth Cole, CNM, RNAdvanced Practice Midwife1306873161
- Christine Colton, MDDiagnostic Radiology Physician1942287396
Verify Joann M. Knudson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 03118Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
230 Medicare Part D claims for 73 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Estradiol103 claims
- Estradiol (Twice Weekly)29 claims
- Estring20 claims
- Clobetasol Propionate16 claims
- Progesterone11 claims
- Yuvafem11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Joann M. Knudson among 707 obstetrics & gynecology physician records in Connecticut
Joann M. Knudson, MD is one of 707 obstetrics & gynecology physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2011 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 obstetrics & gynecology physician records list a practice address in New Haven
They are 86 of the 9,793 NPPES records with a practice address in New Haven, and 707 obstetrics & gynecology physician records in Connecticut.
All 707 in Connecticut → Every provider in New Haven → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Victoria Chase, MDNew Haven, CT 065201659614667
- David Fox, MDNew Haven, CT 065201053351809
- David Roth, MDNew Haven, CT 065201841226834
- Abigail BootesNew Haven, CT 065191467912071
- Martina Burn, MDNew Haven, CT 065191033565775
- Asia Edusa, M.D.New Haven, CT 065191225064587
- Jamil Harp, MDNew Haven, CT 065191619149515
- Ashley Heins, APRNNew Haven, CT 065191447096706
Common questions
What is Joann M. Knudson, MD's NPI number?
Joann M. Knudson, MD's National Provider Identifier (NPI) is 1326080797, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joann M. Knudson, MD located?
The NPPES record lists a practice address at 55 Lock Street, New Haven, CT, 06520. Phone: (203) 432-0076. Providers update this record themselves, so call before visiting.
How can I verify Joann M. Knudson, MD's license?
NPPES lists Connecticut license number 03118, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joann M. Knudson, MD prescribe under Medicare Part D?
In 2024, Joann M. Knudson, MD had 230 Medicare Part D claims for 73 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Joann M. Knudson, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.