Peggy Isaac, CNP
Nurse Practitioner · Russellville, AR
Peggy Isaac, CNP is a nurse practitioner with a practice address in Russellville, Arkansas, and NPI 1922719806, issued on Dec 12, 2022. Check the license (Arkansas 221843, as entered in NPPES) with the Arkansas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Peggy Isaac
- Credential
- CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 221843 AR
Self-reported in NPPES; status is on the state search - Practice location
- 2504 W Main St Ste A, Russellville, AR 72801
- Phone
- (501) 410-1196
- Enumerated
- Dec 12, 2022
- Record last updated
- Dec 12, 2022
- Fax
- (501) 410-1148
- Medicare enrollment
- Enrolled (PECOS I20230118002598); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 682 in Arkansas → Look up another NPI →
Verify Peggy Isaac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arkansas board licenses this profession
Search for license 221843Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average nurse practitioner in 2024
2,746 Medicare Part D claims for 610 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 11 claims were for opioids.
Most prescribed
- Tamsulosin Hcl709 claims
- Finasteride289 claims
- Gemtesa286 claims
- Ciprofloxacin Hcl120 claims
- Cephalexin118 claims
- Solifenacin Succinate106 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.
Industry payments in 2024: $316.00
12 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. 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 one group practice
- Arkansas Urology, P.A.Russellville, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peggy Isaac among 682 nurse practitioner records in Arkansas
Peggy Isaac, CNP is one of 682 nurse practitioner records with a practice address in Arkansas. 75% 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 82% of them.
- NPI issued2022 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2022 · median 2017 among the 381 with a school on file
- Record last updated2022 · 53% 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 Arkansas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 nurse practitioner records list a practice address in Russellville
They are 10 of the 1,278 NPPES records with a practice address in Russellville, and 682 nurse practitioner records in Arkansas.
All 682 in Arkansas → Every provider in Russellville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Karen Branch, NPRussellville, AR 728011013241876
- Karen Buchanan, NPRussellville, AR 728011962754291
- Lynn Callaway, RNPRussellville, AR 728011346385077
- Melissa Darnell, APRNRussellville, AR 728011497964571
- Natalie Hill, ANPRussellville, AR 728011912399452
- Heather Hillis, APRN, FNP-CRussellville, AR 728011750793055
- Donna Peeper, NPRussellville, AR 728011407789860
- Shannon Taylor, APNRussellville, AR 728021952882227
Common questions
What is Peggy Isaac, CNP's NPI number?
Peggy Isaac, CNP's National Provider Identifier (NPI) is 1922719806, issued on Dec 12, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Peggy Isaac, CNP located?
The NPPES record lists a practice address at 2504 W Main St Ste A, Russellville, AR, 72801. Phone: (501) 410-1196. Providers update this record themselves, so call before visiting.
How can I verify Peggy Isaac, CNP's license?
NPPES lists Arkansas license number 221843, as entered by the provider. Search the Arkansas board that licenses this profession; the NPPES record confirms identity only.
How much does Peggy Isaac, CNP prescribe under Medicare Part D?
In 2024, Peggy Isaac, CNP had 2,746 Medicare Part D claims for 610 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.