Katelyn St. Pierre Isaac, AG-ACNP
Nurse Practitioner · Augusta, ME
Katelyn St. Pierre Isaac, AG-ACNP is a nurse practitioner with a practice address in Augusta, Maine, and NPI 1083007405, issued on Mar 10, 2015. Check the license (Maine CNP151017, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katelyn St. Pierre Isaac
- Credential
- AG-ACNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- CNP151017 ME
Self-reported in NPPES; status is on the state search - Practice location
- 35 Medical Center Pkwy, Augusta, ME 04330
- Phone
- (207) 621-4116
- Enumerated
- Mar 10, 2015
- Record last updated
- Apr 20, 2026
- Fax
- (207) 621-4689
- Medicare enrollment
- Enrolled (PECOS I20151005000378); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 450 in Maine → Look up another NPI →
Also registered at 35 Medical Center Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katelyn St. Pierre Isaac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP151017Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average nurse practitioner in 2024
370 Medicare Part D claims for 150 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 25 claims were for opioids.
Most prescribed
- Anastrozole55 claims
- Ondansetron Odt46 claims
- Prochlorperazine Maleate35 claims
- Prednisone22 claims
- Eliquis17 claims
- Letrozole16 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 MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $124.24
5 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 38,884 providers of this specialty with any payment received $791.64 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 2 group practices
- Maine Center For Cancer Medicine And Blood Disorders PAWestbrook, ME
- Mainegeneral Medical CenterWaterville, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katelyn St. Pierre Isaac among 450 nurse practitioner records in Maine
Katelyn St. Pierre Isaac, AG-ACNP is one of 450 nurse practitioner records with a practice address in Maine. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 51% of them.
- NPI issued2015 · 51% of these records are older, 45% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2014 · median 2017 among the 258 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 nurse practitioner records list a practice address in Augusta
They are 36 of the 1,740 NPPES records with a practice address in Augusta, and 450 nurse practitioner records in Maine.
All 450 in Maine → Every provider in Augusta → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Carmen Ackerson, APRNAugusta, ME 043301336474774
- Andrea BerryAugusta, ME 043301265887921
- Sandra Colt, GNPAugusta, ME 043301669448106
- Patricia Connell, NPAugusta, ME 043301184656472
- Kenneth DelkerAugusta, ME 043301396113601
- Megan Evans, NPAugusta, ME 043301376749911
- Mary Gallant, FNPAugusta, ME 043301295838217
- Shelley Hickey, NPAugusta, ME 043301306818976
Common questions
What is Katelyn St. Pierre Isaac, AG-ACNP's NPI number?
Katelyn St. Pierre Isaac, AG-ACNP's National Provider Identifier (NPI) is 1083007405, issued on Mar 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Katelyn St. Pierre Isaac, AG-ACNP located?
The NPPES record lists a practice address at 35 Medical Center Pkwy, Augusta, ME, 04330. Phone: (207) 621-4116. Providers update this record themselves, so call before visiting.
How can I verify Katelyn St. Pierre Isaac, AG-ACNP's license?
NPPES lists Maine license number CNP151017, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Katelyn St. Pierre Isaac, AG-ACNP prescribe under Medicare Part D?
In 2024, Katelyn St. Pierre Isaac, AG-ACNP had 370 Medicare Part D claims for 150 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is Katelyn St. Pierre Isaac, AG-ACNP's MIPS final score?
The 2023 MIPS final score is 98.1 of 100. 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.