Maria Klein
Registered Nurse · San Francisco, CA
Maria Klein is a registered nurse with a practice address in San Francisco, California, and NPI 1427907948, issued on Jan 27, 2026. Check the license (California 95212018, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Maria Klein
- Primary taxonomy
- Registered Nurse 163W00000X
- License number
- 95212018 CA
Self-reported in NPPES; status is on the state search - Practice location
- 490 Illinois St., San Francisco, CA 94158
- Phone
- (415) 476-1435
- Enumerated
- Jan 27, 2026
- Record last updated
- Jan 27, 2026
- Entity
- Type 1 · individual
8 nearest registered nurse records → All 13,506 in California → Look up another NPI →
Verify Maria Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95212018Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Maria Klein among 13,506 registered nurse records in California
Maria Klein is one of 13,506 registered nurse records with a practice address in California. 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 2026, is newer than 90% of them.
- NPI issued2026 · 90% of these records are older, 0% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2026 · 54% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
625 registered nurse records list a practice address in San Francisco
They are 625 of the 38,143 NPPES records with a practice address in San Francisco, and 13,506 registered nurse records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13,506 in California → Every provider in San Francisco → Registered Nurse nationwide →
The 8 registered nurse records with the nearest ZIP codes
- Vivian ChoiSan Francisco, CA 941581013738947
- Olivia EstoqueSan Francisco, CA 941581750756086
- Gaeun ParkSan Francisco, CA 941581376377242
- Matthew Stoops, RNSan Francisco, CA 941581104640580
- David AlfonSan Francisco, CA 941431558106336
- Richard HallmanSan Francisco, CA 941431699604504
- Kaitlyn Hopfensperger, RNSan Francisco, CA 941431972447506
- Kaitlyn KelleySan Francisco, CA 941431396374849
Common questions
What is Maria Klein's NPI number?
Maria Klein's National Provider Identifier (NPI) is 1427907948, issued on Jan 27, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Maria Klein located?
The NPPES record lists a practice address at 490 Illinois St., San Francisco, CA, 94158. Phone: (415) 476-1435. Providers update this record themselves, so call before visiting.
How can I verify Maria Klein's license?
NPPES lists California license number 95212018, as entered by the provider. Search the California 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.