Margaret Lynn Koehler, CRNP
Nurse Practitioner · Baltimore, MD
Margaret Lynn Koehler, CRNP is a nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1326139312, issued on Sep 27, 2006. Check the license (Maryland R076933, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Margaret Lynn Koehler
- Credential
- CRNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- R076933 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10 N Greene St, Baltimore, MD 21201
- Phone
- (410) 605-7060
- Enumerated
- Sep 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (410) 605-7937
- Entity
- Type 1 · individual
Also registered at 10 N Greene St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margaret Lynn Koehler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R076933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
366 nurse practitioner records list a practice address in Baltimore
They are 366 of the 35,183 NPPES records with a practice address in Baltimore, and 1,248 nurse practitioner records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 366 in Baltimore → All 1,248 in Maryland → Every provider in Baltimore →
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Common questions
What is Margaret Lynn Koehler, CRNP's NPI number?
Margaret Lynn Koehler, CRNP's National Provider Identifier (NPI) is 1326139312, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Lynn Koehler, CRNP located?
The NPPES record lists a practice address at 10 N Greene St, Baltimore, MD, 21201. Phone: (410) 605-7060. Providers update this record themselves, so call before visiting.
How can I verify Margaret Lynn Koehler, CRNP's license?
NPPES lists Maryland license number R076933, as entered by the provider. Search the Maryland 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. 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.