Carol Ann Knowlton, CRNP
Family Nurse Practitioner · Norristown, PA
Carol Ann Knowlton, CRNP is a family nurse practitioner with a practice address in Norristown, Pennsylvania, and NPI 1538110580, issued on May 15, 2006. Check the license (Pennsylvania SP004596B, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carol Ann Knowlton
- Credential
- CRNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- SP004596B PA
RN274402L PA
Self-reported in NPPES; status is on the state search - Practice location
- 1330 Powell St, Norristown, PA 19401
- Phone
- (610) 270-2000
- Enumerated
- May 15, 2006
- Record last updated
- Feb 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050308000521); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,209 in Pennsylvania → Look up another NPI →
Also registered at 1330 Powell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carol Ann Knowlton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license SP004596BCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family nurse practitioner in 2024
47 Medicare Part D claims for 33 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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 one group practice
- Einstein Practice Plan IncPhila, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carol Ann Knowlton among 7,209 family nurse practitioner records in Pennsylvania
Carol Ann Knowlton, CRNP is one of 7,209 family nurse practitioner records with a practice address in Pennsylvania. 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 91% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2018 among the 4,232 with a school on file
- Record last updated2020 · 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 363LF0000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Nurse Practitioner providers in Pennsylvania
There are 7,209 family nurse practitioner records in Pennsylvania.
All 7,209 in Pennsylvania → Every provider in Norristown → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Charlene Burkholder, CRNPEast Norriton, PA 194011730403379
- Tara Colella Niesen, NPNorristown, PA 194011053803353
- Dawn Delaney, CRNPEast Norriton, PA 194011346716826
- Nataliia DodgeEast Norriton, PA 194011881364974
- Maureen Gardo, CRNPNorristown, PA 194011760907992
- Tosha Lee, DNP, FNP-BCNorristown, PA 194011770025033
- Keisha Mason-Diprospero, CRNPNorristown, PA 194011316418395
- Katherine Tejeda Moreno, FNPEast Norriton, PA 194011740978493
Common questions
What is Carol Ann Knowlton, CRNP's NPI number?
Carol Ann Knowlton, CRNP's National Provider Identifier (NPI) is 1538110580, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carol Ann Knowlton, CRNP located?
The NPPES record lists a practice address at 1330 Powell St, Norristown, PA, 19401. Phone: (610) 270-2000. Providers update this record themselves, so call before visiting.
How can I verify Carol Ann Knowlton, CRNP's license?
NPPES lists Pennsylvania license number SP004596B, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Carol Ann Knowlton, CRNP prescribe under Medicare Part D?
In 2024, Carol Ann Knowlton, CRNP had 47 Medicare Part D claims for 33 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.