Kathleen M. Barrett, CRNP
Nurse Practitioner · Annapolis, MD
Kathleen M. Barrett, CRNP is a nurse practitioner with a practice address in Annapolis, Maryland, and NPI 1265501746, issued on Nov 7, 2006. Check the license (Maryland R159830, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen M. Barrett
- Credential
- CRNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- R159830 MD
Self-reported in NPPES; status is on the state search - Practice location
- 600 Ridgely Avenue, Annapolis, MD 21401
- Phone
- (410) 266-8049
- Enumerated
- Nov 7, 2006
- Record last updated
- Jun 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (410) 266-0895
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,248 in Maryland → Look up another NPI →
Also registered at 600 Ridgely Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sonna Kalis, LCPCProfessional Counselor1184808297
Verify Kathleen M. Barrett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R159830Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% more Medicare Part D claims than the average nurse practitioner in 2024
1,131 Medicare Part D claims for 520 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Nitrofurantoin Mono-Macro256 claims
- Amoxicillin-Clavulanate Potass87 claims
- Estradiol80 claims
- Tamsulosin Hcl73 claims
- Cefuroxime61 claims
- Gemtesa51 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.
Industry payments in 2024: $657.19
25 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Kathleen M. Barrett among 1,248 nurse practitioner records in Maryland
Kathleen M. Barrett, CRNP is one of 1,248 nurse practitioner records with a practice address in Maryland. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 74% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 52% of these records are
- Record last updated2020 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 nurse practitioner records list a practice address in Annapolis
They are 46 of the 3,629 NPPES records with a practice address in Annapolis, and 1,248 nurse practitioner records in Maryland.
All 1,248 in Maryland → Every provider in Annapolis → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Janet Benton, NPAnnapolis, MD 214011114039161
- Wynn Boyle, CRNPAnnapolis, MD 214011235298654
- Helen Brown, CRNPAnnapolis, MD 214011891808176
- Mary Bryant McGurin, CRNPAnnapolis, MD 214011063471365
- Wenda Collien, CRNPAnnapolis, MD 214011497823744
- Elizabeth Connelly, NPAnnapolis, MD 214011407992407
- Jane Corner, CRNPAnnapolis, MD 214011922112275
- Gale Cromwell, CRNPAnnapolis, MD 214011932170628
Common questions
What is Kathleen M. Barrett, CRNP's NPI number?
Kathleen M. Barrett, CRNP's National Provider Identifier (NPI) is 1265501746, issued on Nov 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen M. Barrett, CRNP located?
The NPPES record lists a practice address at 600 Ridgely Avenue, Annapolis, MD, 21401. Phone: (410) 266-8049. Providers update this record themselves, so call before visiting.
How can I verify Kathleen M. Barrett, CRNP's license?
NPPES lists Maryland license number R159830, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Kathleen M. Barrett, CRNP prescribe under Medicare Part D?
In 2024, Kathleen M. Barrett, CRNP had 1,131 Medicare Part D claims for 520 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.