Alexandra Courtney Close, NP
Nurse Practitioner · Greenbrae, CA
Alexandra Courtney Close, NP is a nurse practitioner with a practice address in Greenbrae, California, and NPI 1912686684, issued on Jul 11, 2023. Check the license (California NP95039514, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alexandra Courtney Close
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- NP95039514 CA
352463 NY
Self-reported in NPPES; status is on the state search - Practice location
- 900 S Eliseo Dr Ste 201, Greenbrae, CA 94904
- Phone
- (415) 461-1780
- Enumerated
- Jul 11, 2023
- Record last updated
- Jul 1, 2026
- Medicare enrollment
- Enrolled (PECOS I20230829000976); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 900 S Eliseo Dr Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alexandra Courtney Close in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP95039514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average nurse practitioner in 2024
982 Medicare Part D claims for 351 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Levothyroxine Sodium100 claims
- Synthroid72 claims
- Metformin Hcl Er70 claims
- Mounjaro67 claims
- Nano 2nd Gen Pen Needle51 claims
- Lantus Solostar46 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.
Bills Medicare through one group practice
- New York UniversityNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexandra Courtney Close among 8,223 nurse practitioner records in California
Alexandra Courtney Close, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 82% of them.
- NPI issued2023 · 82% of these records are older, 13% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2023 · median 2017 among the 3,425 with a school on file
- Record last updated2026 · 45% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 nurse practitioner records list a practice address in Greenbrae
They are 10 of the 727 NPPES records with a practice address in Greenbrae, and 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Greenbrae → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Justin Biddle, NPGreenbrae, CA 949041477383859
- Jennifer Donovan, FNPGreenbrae, CA 949041205587086
- Collet Easy, FNPGreenbrae, CA 949041679340350
- Jeremy Graham, RN, MSN, NP-CGreenbrae, CA 949041841552924
- Marcella Leath, NPGreenbrae, CA 949041528713054
- Janet Miller-Melka, RNFAGreenbrae, CA 949041780677963
- Anne St John, NPGreenbrae, CA 949041275266561
- Oksana Sytova, N.P.Greenbrae, CA 949041407183858
Common questions
What is Alexandra Courtney Close, NP's NPI number?
Alexandra Courtney Close, NP's National Provider Identifier (NPI) is 1912686684, issued on Jul 11, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra Courtney Close, NP located?
The NPPES record lists a practice address at 900 S Eliseo Dr Ste 201, Greenbrae, CA, 94904. Phone: (415) 461-1780. Providers update this record themselves, so call before visiting.
How can I verify Alexandra Courtney Close, NP's license?
NPPES lists California license number NP95039514, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Alexandra Courtney Close, NP prescribe under Medicare Part D?
In 2024, Alexandra Courtney Close, NP had 982 Medicare Part D claims for 351 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.