Colleen Chime Karkhang, CNP
Gerontology Nurse Practitioner · New Haven, CT
Colleen Chime Karkhang, CNP is a gerontology nurse practitioner with a practice address in New Haven, Connecticut, and NPI 1730545187, issued on Jan 14, 2016. Check the license (Connecticut 8271, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Colleen Chime Karkhang
- Credential
- CNP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- 8271 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (475) 355-0785
- Enumerated
- Jan 14, 2016
- Record last updated
- Oct 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20191118002416); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cyrena Abbasi, MDStudent in an Organized Health Care Education/Training Program1609703289
- Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
- Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
- Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
- Sarah AbdallahPsychiatry Physician1740800952
- Usama Abdelghany, PHARM DOncology Pharmacist1548827843
Verify Colleen Chime Karkhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 8271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
333 Medicare Part D claims for 49 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Sulfamethoxazole-Trimethoprim41 claims
- Famotidine40 claims
- Amlodipine Besylate25 claims
- Carvedilol22 claims
- Valganciclovir Hcl17 claims
- Atorvastatin Calcium16 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).
Industry payments in 2024: $74.62
1 payment: education; the largest payer was Veloxis Pharmaceuticals, Inc. The 3,903 providers of this specialty with any payment received $742.05 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 UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gerontology Nurse Practitioner providers in Connecticut
There are 166 gerontology nurse practitioner records in Connecticut.
Other gerontology nurse practitioner records in Connecticut
- Linda Accordino, RN, MSNWest Haven, CT1396853289
- Celina Adams, APRNUncasville, CT1780948596
- Terance Anderson, APRNNew Haven, CT1306409222
- Jessica AndraszekStamford, CT1124880505
- Brooke Antonitis, NPDanbury, CT1275471799
- Lu Bai, CNPBranford, CT1972356780
- Jennifer BarnaNew Haven, CT1275381642
- Merdella Bartley, AGNP-CWindsor, CT1548026529
- Sherifa Bello, MSNEast Hartford, CT1720599541
- Marguerite Benoit, G.N.P.Stamford, CT1861745259
Common questions
What is Colleen Chime Karkhang, CNP's NPI number?
Colleen Chime Karkhang, CNP's National Provider Identifier (NPI) is 1730545187, issued on Jan 14, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Colleen Chime Karkhang, CNP located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (475) 355-0785. Providers update this record themselves, so call before visiting.
How can I verify Colleen Chime Karkhang, CNP's license?
NPPES lists Connecticut license number 8271, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Colleen Chime Karkhang, CNP prescribe under Medicare Part D?
In 2024, Colleen Chime Karkhang, CNP had 333 Medicare Part D claims for 49 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. Part D covers Medicare prescriptions only.
What is Colleen Chime Karkhang, CNP'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.