Karen Loos, CRNP
Adult Health Nurse Practitioner · Philadelphia, PA
Karen Loos, CRNP is an adult health nurse practitioner with a practice address in Philadelphia, Pennsylvania, and NPI 1063977973, issued on Feb 5, 2019. Check the license (Pennsylvania SP017948, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Loos
- Credential
- CRNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- SP017948 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1015 Chestnut St, Philadelphia, PA 19107
- Phone
- (215) 955-4730
- Enumerated
- Feb 5, 2019
- Record last updated
- Jun 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190731000451); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,368 in Pennsylvania → Look up another NPI →
Also registered at 1015 Chestnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Karen Loos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license SP017948Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $221.90
2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 12,291 providers of this specialty with any payment received $946.40 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
- Jefferson University PhysiciansPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Loos among 1,368 adult health nurse practitioner records in Pennsylvania
Karen Loos, CRNP is one of 1,368 adult health nurse practitioner records with a practice address in Pennsylvania. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 84% of them.
- NPI issued2019 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2011 · median 2012 among the 678 with a school on file
- Record last updated2019 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Pennsylvania
There are 1,368 adult health nurse practitioner records in Pennsylvania.
All 1,368 in Pennsylvania → Every provider in Philadelphia → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Robin Albany, APN, BCPhiladelphia, PA 191071962609792
- Darlene Bewick, CRNPPhiladelphia, PA 191071548291594
- Lisa Bowman, CRNPPhiladelphia, PA 191071760607535
- Christine Chmielewski, CRNPPhiladelphia, PA 191071962449322
- Fatuma Doka, CRNPPhiladelphia, PA 191071174715353
- Carol Goldring, CRNPPhiladelphia, PA 191071457400897
- Adina Gutstein, MSN, CRNPPhiladelphia, PA 191071992708713
- Andrea Ligenza, CRNPPhiladelphia, PA 191071780869495
Common questions
What is Karen Loos, CRNP's NPI number?
Karen Loos, CRNP's National Provider Identifier (NPI) is 1063977973, issued on Feb 5, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Karen Loos, CRNP located?
The NPPES record lists a practice address at 1015 Chestnut St, Philadelphia, PA, 19107. Phone: (215) 955-4730. Providers update this record themselves, so call before visiting.
How can I verify Karen Loos, CRNP's license?
NPPES lists Pennsylvania license number SP017948, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity 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.