Sean Upton, RN
Nurse Practitioner · Petaluma, CA
Sean Upton, RN is a nurse practitioner with a practice address in Petaluma, California, and NPI 1205162450, issued on Oct 22, 2009. Check the license (California 21582, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sean Upton
- Credential
- RN
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 21582 CA
743153 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1179 N Mcdowell Blvd, Petaluma, CA 94954
- Phone
- (707) 559-7500
- Enumerated
- Oct 22, 2009
- Record last updated
- Sep 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (707) 559-7620
- Medicare enrollment
- Enrolled (PECOS I20190311002475); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 8,223 in California → Look up another NPI →
Also registered at 1179 N Mcdowell Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sean Upton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 21582Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average nurse practitioner in 2024
787 Medicare Part D claims for 102 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Gabapentin33 claims
- Levothyroxine Sodium32 claims
- Lisinopril31 claims
- Amlodipine Besylate26 claims
- Albuterol Sulfate Hfa24 claims
- Atorvastatin Calcium23 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 2 group practices
- Coastal Health AlliancePoint Reyes Station, CA
- Petaluma Health Center IncPetaluma, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean Upton among 8,223 nurse practitioner records in California
Sean Upton, RN 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 2009, is newer than 30% of them.
- NPI issued2009 · 30% of these records are older, 68% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated2011 · median 2017 among the 3,425 with a school on file
- Record last updated2019 · 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).
Nurse Practitioner providers in California
There are 8,223 nurse practitioner records in California.
All 8,223 in California → Every provider in Petaluma → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Lisa Carlson, RNPetaluma, CA 949541972458081
- Andrew Chinnock, FNPPetaluma, CA 949541174844674
- Joanna Diel-Martin, NPPetaluma, CA 949541932759461
- Patricia Grinnell, NPPetaluma, CA 949541538186457
- Colette Long, NPPetaluma, CA 949541588214019
- Lynne Palma, ARNPPetaluma, CA 949541306285697
- Kathryn BryantPetaluma, CA 949521811397177
- Halle Ostman, RNPoint Reyes Station, CA 949561275345449
Common questions
What is Sean Upton, RN's NPI number?
Sean Upton, RN's National Provider Identifier (NPI) is 1205162450, issued on Oct 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Sean Upton, RN located?
The NPPES record lists a practice address at 1179 N Mcdowell Blvd, Petaluma, CA, 94954. Phone: (707) 559-7500. Providers update this record themselves, so call before visiting.
How can I verify Sean Upton, RN's license?
NPPES lists California license number 21582, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Sean Upton, RN prescribe under Medicare Part D?
In 2024, Sean Upton, RN had 787 Medicare Part D claims for 102 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.