Katherine E. Holmes, APRN
Family Nurse Practitioner · New Haven, CT
Katherine E. Holmes, APRN is a family nurse practitioner with a practice address in New Haven, Connecticut, and NPI 1235469677, issued on Jan 7, 2010. Check the license (Connecticut 004264, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine E. Holmes
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 004264 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York Street, CB-2041, New Haven, CT 06510
- Phone
- (203) 785-2809
- Enumerated
- Jan 7, 2010
- Record last updated
- Feb 7, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (203) 785-2036
- Medicare enrollment
- Enrolled (PECOS I20110614000589); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Also registered at 20 York Street, CB-2041
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine E. Holmes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 004264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family nurse practitioner in 2024
11 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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).
Industry payments in 2024: $112.99
1 payment: food and beverage; the largest payer was Alexion Pharmaceuticals, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Yale UniversityNorth Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine E. Holmes among 2,669 family nurse practitioner records in Connecticut
Katherine E. Holmes, APRN is one of 2,669 family nurse practitioner records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 18% of them.
- NPI issued2010 · 18% of these records are older, 80% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2009 · median 2018 among the 1,664 with a school on file
- Record last updated2013 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
239 family nurse practitioner records list a practice address in New Haven
They are 239 of the 9,793 NPPES records with a practice address in New Haven, and 2,669 family nurse practitioner records in Connecticut.
All 2,669 in Connecticut → Every provider in New Haven → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Mary Ellen Baldino, APRNNew Haven, CT 065101417958364
- Joanna Cole, APRNNew Haven, CT 065101063678233
- Hillary Drumm, APRNNew Haven, CT 065101114175247
- Dana Forlano, APRNNew Haven, CT 065101578729570
- Pamela Garofalo, APRNNew Haven, CT 065101801027834
- Patricia Garrett, APRNNew Haven, CT 065101114909850
- Patricia Giannelli, APRNNew Haven, CT 065101689614638
- Rachel Kinzler, APRNNew Haven, CT 065101952542334
Common questions
What is Katherine E. Holmes, APRN's NPI number?
Katherine E. Holmes, APRN's National Provider Identifier (NPI) is 1235469677, issued on Jan 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Katherine E. Holmes, APRN located?
The NPPES record lists a practice address at 20 York Street, CB-2041, New Haven, CT, 06510. Phone: (203) 785-2809. Providers update this record themselves, so call before visiting.
How can I verify Katherine E. Holmes, APRN's license?
NPPES lists Connecticut license number 004264, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine E. Holmes, APRN prescribe under Medicare Part D?
In 2024, Katherine E. Holmes, APRN had 11 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Katherine E. Holmes, APRN'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.