NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326139312
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
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 10 N Greene St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Wegene Abraha, RRTRegistered Respiratory Therapist1780933689
  2. Alexander AccinelliAmbulatory Care Pharmacist1851878557
  3. Deborah Adams, R.D., L.D.Registered Dietitian1013003821
  4. Rickey Adams, DPMFoot & Ankle Surgery Podiatrist1780796136
  5. Hanieh Afkhami, PHARM.DPharmacist1114052974
  6. Minu Aghevli, PH.D.Clinical Psychologist1831295393

Verify Margaret Lynn Koehler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R076933
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

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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.

Other nurse practitioner records in Maryland

  1. Meron AbiyRockville, MD1497622419
  2. Krystal Abucevicz-Swick, CRNPCumberland, MD1750867362
  3. Lilian AchiBowie, MD1376406686
  4. Ann AcostaWaldorf, MD1386267011
  5. Alembemulu AdaneSilver Spring, MD1417459603
  6. Gerald AdcockHagerstown, MD1083496970
  7. Hajara AdebowaleGlen Burnie, MD1265161491
  8. Olajumoke Adeleke, NPLanham, MD1053203760
  9. Ilene Ademola, NPCatonsville, MD1194590869
  10. Omobolanle Adenuga, CRNP-FEllicott City, MD1336796465

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.