Clarissa Louise Harrington, RN
Nurse Practitioner · Philadelphia, PA
Clarissa Louise Harrington, RN is a nurse practitioner with a practice address in Philadelphia, Pennsylvania, and NPI 1033818869, issued on Mar 1, 2023. Check the license (Pennsylvania SP028815, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Clarissa Louise Harrington
- Credential
- RN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- SP028815 PA
RN714427 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1426 Dickinson St, Philadelphia, PA 19146
- Phone
- (269) 271-8914
- Enumerated
- Mar 1, 2023
- Record last updated
- Jul 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20240104001012); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,916 in Pennsylvania → Look up another NPI →
Verify Clarissa Louise Harrington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license SP028815Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average nurse practitioner in 2024
674 Medicare Part D claims for 115 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 67 claims were for opioids.
Most prescribed
- Oxycodone Hcl32 claims
- Atorvastatin Calcium29 claims
- Eliquis28 claims
- Gabapentin17 claims
- Lokelma17 claims
- Lorazepam17 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
- PA Rehab Associates PCDarby, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clarissa Louise Harrington among 3,916 nurse practitioner records in Pennsylvania
Clarissa Louise Harrington, RN is one of 3,916 nurse practitioner records with a practice address in Pennsylvania. 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 2023, is newer than 83% of them.
- NPI issued2023 · 83% of these records are older, 11% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2017 · median 2018 among the 2,360 with a school on file
- Record last updated2025 · 48% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nurse Practitioner providers in Pennsylvania
There are 3,916 nurse practitioner records in Pennsylvania.
All 3,916 in Pennsylvania → Every provider in Philadelphia → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Jordan Allen, CRNP, RNPhiladelphia, PA 191461407363153
- Jessica Bechini, CRNPPhiladelphia, PA 191461477068237
- Joanna Ellis, CRNPPhiladelphia, PA 191461356426142
- Joanna Mola, CRNPPhiladelphia, PA 191461538567078
- Anthony Moree, CRNPPhiladelphia, PA 191461023739091
- Caroline Bloss, CRNPPhiladelphia, PA 191451003582008
- Catherine Harris, PHD, MBAPhiladelphia, PA 191471831394386
- Gianna ScoleriPhiladelphia, PA 191451487168381
Common questions
What is Clarissa Louise Harrington, RN's NPI number?
Clarissa Louise Harrington, RN's National Provider Identifier (NPI) is 1033818869, issued on Mar 1, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Clarissa Louise Harrington, RN located?
The NPPES record lists a practice address at 1426 Dickinson St, Philadelphia, PA, 19146. Phone: (269) 271-8914. Providers update this record themselves, so call before visiting.
How can I verify Clarissa Louise Harrington, RN's license?
NPPES lists Pennsylvania license number SP028815, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Clarissa Louise Harrington, RN prescribe under Medicare Part D?
In 2024, Clarissa Louise Harrington, RN had 674 Medicare Part D claims for 115 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.