Allison R. McGrath, APRN
Family Nurse Practitioner · New Haven, CT
Allison R. McGrath, APRN is a family nurse practitioner with a practice address in New Haven, Connecticut, and NPI 1659092393, issued on Sep 12, 2022. Check the license (Connecticut 12.011091, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Allison R. McGrath
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 12.011091 CT
120317 CT
Self-reported in NPPES; status is on the state search - Practice location
- 800 Howard Ave, New Haven, CT 06519
- Phone
- (203) 688-4242
- Enumerated
- Sep 12, 2022
- Record last updated
- Oct 12, 2022
- Medicare enrollment
- Enrolled (PECOS I20221123001598); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Also registered at 800 Howard Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nita Ahuja, M.D.Surgery Physician1093779308
- Christina Allen, MDSports Medicine (Orthopaedic Surgery) Physician1841242351
Verify Allison R. McGrath in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 12.011091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,194 Medicare Part D claims for 370 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Eliquis298 claims
- Metoprolol Succinate237 claims
- Xarelto78 claims
- Amiodarone Hcl72 claims
- Sotalol52 claims
- Metoprolol Tartrate51 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).
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).
Allison R. McGrath among 2,669 family nurse practitioner records in Connecticut
Allison R. McGrath, 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 2022, is newer than 71% of them.
- NPI issued2022 · 71% of these records are older, 24% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2022 · median 2018 among the 1,664 with a school on file
- Record last updated2022 · 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 Ann Fieffer, APRN, RNNew Haven, CT 065191932147675
- Mary Fusi, APRNNew Haven, CT 065191295855518
- Shelley Hawkins, DSN, APRN-BC, FAANPNew Haven, CT 065191023232139
- Robert Hill, APRNNew Haven, CT 065191528036944
- Marybeth Holak, ARNPNew Haven, CT 065191518067230
- Jennifer Hughes, APRNNew Haven, CT 065191205903416
- Erin Kampa, APRN-BCNew Haven, CT 065191891898672
- Thomas Kimberly, APRN, MSNNew Haven, CT 065191316026115
Common questions
What is Allison R. McGrath, APRN's NPI number?
Allison R. McGrath, APRN's National Provider Identifier (NPI) is 1659092393, issued on Sep 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Allison R. McGrath, APRN located?
The NPPES record lists a practice address at 800 Howard Ave, New Haven, CT, 06519. Phone: (203) 688-4242. Providers update this record themselves, so call before visiting.
How can I verify Allison R. McGrath, APRN's license?
NPPES lists Connecticut license number 12.011091, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does Allison R. McGrath, APRN prescribe under Medicare Part D?
In 2024, Allison R. McGrath, APRN had 1,194 Medicare Part D claims for 370 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Allison R. McGrath, 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.