Marilyn C. Keohane, RN MSN
Registered Nurse · Yarmouth, MA
Marilyn C. Keohane, RN MSN is a registered nurse with a practice address in Yarmouth, Massachusetts, and NPI 1881753267, issued on Dec 8, 2006. Check the license (Massachusetts 71254, as entered in NPPES) with the Massachusetts board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marilyn C. Keohane
- Credential
- RN MSN
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- 71254 MA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Long Pond RD, Yarmouth, MA 02664
- Phone
- (508) 398-5277
- Enumerated
- Dec 8, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (508) 398-4959
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 4,985 in Massachusetts → Look up another NPI →
Also registered at 50 Long Pond RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Kennedy, LMHCMental Health Counselor1629137021
Verify Marilyn C. Keohane in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 71254Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Marilyn C. Keohane among 4,985 registered nurse records in Massachusetts
Marilyn C. Keohane, RN MSN is one of 4,985 registered nurse records with a practice address in Massachusetts. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 98% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 163W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Registered Nurse providers in Massachusetts
There are 4,985 registered nurse records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
The 8 registered nurse records with the nearest ZIP codes
- Deanna JenningsSouth Yarmouth, MA 026641194655969
- Courtney MontagueS Yarmouth, MA 026641972199198
- Margaret Muse, RNSouth Yarmouth, MA 026641356797930
- Abigail Crocker, AGANCP-BCWellfleet, MA 026671952252009
- Jacqueline Rozza, RNWellfleet, MA 026671558031161
- Richard SughrueWellfleet, MA 026671073475786
- Maryellen Loucks, RNW Barnstable, MA 026681164991766
- Athena Marshall, RNWest Barnstable, MA 026681831628056
Common questions
What is Marilyn C. Keohane, RN MSN's NPI number?
Marilyn C. Keohane, RN MSN's National Provider Identifier (NPI) is 1881753267, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marilyn C. Keohane, RN MSN located?
The NPPES record lists a practice address at 50 Long Pond RD, Yarmouth, MA, 02664. Phone: (508) 398-5277. Providers update this record themselves, so call before visiting.
How can I verify Marilyn C. Keohane, RN MSN's license?
NPPES lists Massachusetts license number 71254, as entered by the provider. Search the Massachusetts 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.