Margaret Koehler
Primary Care Nurse Practitioner · Providence, RI
Margaret Koehler is a primary care nurse practitioner with a practice address in Providence, Rhode Island, and NPI 1932594892, issued on Mar 30, 2015. Check the license (Rhode Island APRN00634, as entered in NPPES) with the Rhode Island board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Koehler
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License numbers
- APRN00634 RI
RN260226 MA
Self-reported in NPPES; status is on the state search - Practice location
- 593 Eddy St, Providence, RI 02903
- Phone
- (401) 952-9223
- Enumerated
- Mar 30, 2015
- Record last updated
- Dec 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20161103000966); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 35 in Rhode Island → Look up another NPI →
Also registered at 593 Eddy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Farah AbazaStudent in an Organized Health Care Education/Training Program1598437477
- Nilofar Abdul ShukurPhysician Assistant1336010529
- Hael Abdulrazeq, MDNeurological Surgery Physician1659934289
- James Abernathy, MDAnesthesiology Physician1942257217
- Karen Abi Chebl, MDStudent in an Organized Health Care Education/Training Program1255179552
- Georges Abi Roustom, MDAnesthesiology Physician1548871908
Verify Margaret Koehler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Rhode Island board licenses this profession
Search for license APRN00634Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
754 Medicare Part D claims for 162 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 52 claims were for opioids.
Most prescribed
- Letrozole93 claims
- Levothyroxine Sodium50 claims
- Anastrozole41 claims
- Eliquis34 claims
- Allopurinol32 claims
- Dexamethasone28 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.
2 hospitals and group practices
- Rhode Island HospitalEast Greenwich, RI · Acute Care Hospitals4 of 5 stars
- Sturdy Health IncAttleboro, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Margaret Koehler among 35 primary care nurse practitioner records in Rhode Island
Margaret Koehler is one of 35 primary care nurse practitioner records with a practice address in Rhode Island. 80% 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 37% of them.
- NPI issued2015 · 37% of these records are older, 51% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated2014 · median 2016 among the 16 with a school on file
- Record last updated2025 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Rhode Island
There are 35 primary care nurse practitioner records in Rhode Island.
All 35 in Rhode Island → Every provider in Providence → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Michael AnthonyProvidence, RI 029031265257943
- Erin Bernardo, DNP, AGPCNP-BCProvidence, RI 029041962981357
- Christina Craig, AGNP-CNorth Providence, RI 029041912659426
- Constance Ducharme, NPNorth Providence, RI 029041114558244
- Jessica Duncan, NP-CProvidence, RI 029041215304837
- Sharon Garber, NPProvidence, RI 029041396736229
- Nichole Wilson, NPProvidence, RI 029051881186120
- Morgan-Jean Hiraldo, FNPProvidence, RI 029061215700216
Common questions
What is Margaret Koehler's NPI number?
Margaret Koehler's National Provider Identifier (NPI) is 1932594892, issued on Mar 30, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Koehler located?
The NPPES record lists a practice address at 593 Eddy St, Providence, RI, 02903. Phone: (401) 952-9223. Providers update this record themselves, so call before visiting.
How can I verify Margaret Koehler's license?
NPPES lists Rhode Island license number APRN00634, as entered by the provider. Search the Rhode Island board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Koehler prescribe under Medicare Part D?
In 2024, Margaret Koehler had 754 Medicare Part D claims for 162 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.