Karin E. Grann, N.P.
Acute Care Nurse Practitioner · Willimantic, CT
Karin E. Grann, N.P. is an acute care nurse practitioner with a practice address in Willimantic, Connecticut, and NPI 1730477761, issued on Jul 12, 2011. Check the license (Connecticut 4702, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karin E. Grann
- Credential
- N.P.
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- 4702 CT
82608 CT
Self-reported in NPPES; status is on the state search - Practice location
- 112 Mansfield Ave, Willimantic, CT 06226
- Phone
- (203) 284-1340
- Enumerated
- Jul 12, 2011
- Record last updated
- Mar 1, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (203) 265-4557
- Medicare enrollment
- Enrolled (PECOS I20120125000248); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 368 in Connecticut → Look up another NPI →
Also registered at 112 Mansfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Melissa Bohan-Hallenbeck, APRNNurse Practitioner1174931687
- Bevan Bonhomme, MDEmergency Medicine Physician1598386468
Verify Karin E. Grann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 4702Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
322 Medicare Part D claims for 162 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Prednisone31 claims
- Metoprolol Succinate18 claims
- Amoxicillin-Clavulanate Potass17 claims
- Eliquis17 claims
- Cefpodoxime Proxetil16 claims
- Metoprolol Tartrate12 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.
Bills Medicare through 2 group practices
- The William W Backus HospitalNorwich, CT
- Windham Community Memorial Hospital IncWillimantic, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karin E. Grann among 368 acute care nurse practitioner records in Connecticut
Karin E. Grann, N.P. is one of 368 acute care nurse practitioner records with a practice address in Connecticut. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 26% of them.
- NPI issued2011 · 26% of these records are older, 71% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2011 · median 2018 among the 273 with a school on file
- Record last updated2012 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Connecticut
There are 368 acute care nurse practitioner records in Connecticut.
All 368 in Connecticut → Every provider in Willimantic → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Renee Graham, MSN, APRN, AGACNP-BCWillimantic, CT 062261982147740
- Bethany Kennedy, APRNWillimantic, CT 062261003301136
- Joseph SarkisBrooklyn, CT 062341760004469
- Benhanan Ways, NPStorrs, CT 062691073188967
- Charlotte Bell, NPNew London, CT 063201659835502
- Christopher Panebianco, APRNNew London, CT 063201225792500
- Krystin Uguccioni, MS,APRN,WCNNew London, CT 063201639417397
- Ling Li, APRNHartford, CT 061201417135195
Common questions
What is Karin E. Grann, N.P.'s NPI number?
Karin E. Grann, N.P.'s National Provider Identifier (NPI) is 1730477761, issued on Jul 12, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Karin E. Grann, N.P. located?
The NPPES record lists a practice address at 112 Mansfield Ave, Willimantic, CT, 06226. Phone: (203) 284-1340. Providers update this record themselves, so call before visiting.
How can I verify Karin E. Grann, N.P.'s license?
NPPES lists Connecticut license number 4702, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Karin E. Grann, N.P. prescribe under Medicare Part D?
In 2024, Karin E. Grann, N.P. had 322 Medicare Part D claims for 162 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
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.