NPPES file of Aug 9, 2026

Karen Brennan, CRNA

Registered Nurse · Rockport, ME

Karen Brennan, CRNA is a registered nurse with a practice address in Rockport, Maine, and NPI 1023162328, issued on Jan 23, 2007. Check the license with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023162328
Name
Karen Brennan
Credential
CRNA
Primary taxonomy
Registered Nurse 163W00000X
License number
158976 MA
Self-reported in NPPES; status is on the state search
Practice location
6 Glen Cove Dr, Rockport, ME 04856
Phone
(207) 921-8215
Enumerated
Jan 23, 2007
Record last updated
May 10, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(207) 921-5302
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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8 nearest registered nurse records → All 612 in Maine → Look up another NPI →

Also registered at 6 Glen Cove Dr

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

  1. Mac Abernathy, M.D.Psychiatry Physician1093009219
  2. Maura Adams, MDAnesthesiology Physician1851364467
  3. Heather Arsenault, DOHospitalist Physician1083174650
  4. Peter Bagley, M.D.Pulmonary Disease Physician1003899683
  5. David Bann, MDPsychiatry Physician1518022441
  6. Jacqueline Baran, PAPhysician Assistant1881463529

Verify Karen Brennan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this professionCheck 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 Maine license search

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Industry payments in 2024: $128.71

2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 1,191 providers of this specialty with any payment received $505.98 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Brennan$128.71
  2. Specialty average$505.98

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Karen Brennan among 612 registered nurse records in Maine

Karen Brennan, CRNA is one of 612 registered nurse records with a practice address in Maine. 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 2% of them.

  • NPI issued2007 · 2% of these records are older, 92% newer
  • In a Medicare fileYes · 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2016 · 47% 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 Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Nurse providers in Maine

There are 612 registered nurse records in Maine.

All 612 in Maine → Every provider in Rockport → Registered Nurse nationwide →

The 8 registered nurse records with the nearest ZIP codes

  1. Brenda Berry, RN CENRockport, ME 048561871096834
  2. Christine Herrick, RNRockport, ME 048561235003971
  3. Elaine Griffin, RNTenants Harbor, ME 048601366032831
  4. Jennifer Guptill, RNVinalhaven, ME 048631093262792
  5. Sarah McDonaldVinalhaven, ME 048631447691191
  6. Jennifer WenzNorthport, ME 048491104682970
  7. Aimee CampbellRockland, ME 048411477722981
  8. Priscilla DavisRockland, ME 048411316868409

Common questions

What is Karen Brennan, CRNA's NPI number?

Karen Brennan, CRNA's National Provider Identifier (NPI) is 1023162328, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karen Brennan, CRNA located?

The NPPES record lists a practice address at 6 Glen Cove Dr, Rockport, ME, 04856. Phone: (207) 921-8215. Providers update this record themselves, so call before visiting.

How can I verify Karen Brennan, CRNA's license?

Search the Maine 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.