Carol Marraccini-Otto, PA-C
Physician Assistant · Daly City, CA
Carol Marraccini-Otto, PA-C is a physician assistant with a practice address in Daly City, California, and NPI 1063681302, issued on Feb 20, 2008. Check the license (California PA 19627, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carol Marraccini-Otto
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA 19627 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1850 Sullivan Ave, Daly City, CA 94015
- Phone
- (650) 756-5630
- Enumerated
- Feb 20, 2008
- Record last updated
- Nov 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (650) 756-1964
- Medicare enrollment
- Enrolled (PECOS I20111121000186); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1850 Sullivan Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elsa Agasid, F.N.P.Family Nurse Practitioner1962592360
- Hermenegildo Angeles, MD APCGeriatric Medicine (Family Medicine) Physician1396712303
- Victoria Barber, MDOrthopaedic Surgery Physician1962418533
- Maria Bautista, N.PFamily Nurse Practitioner1801261920
- Kevin Blodgett, PA-CPhysician Assistant1619173010
- Christian Bocobo, M.D.Physical Medicine & Rehabilitation Physician1447212428
Verify Carol Marraccini-Otto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA 19627Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average physician assistant in 2024
171 Medicare Part D claims for 85 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 63 claims were for opioids.
Most prescribed
- Methylprednisolone40 claims
- Hydrocodone-Acetaminophen33 claims
- Meloxicam25 claims
- Ibuprofen16 claims
- Tramadol Hcl-Acetaminophen14 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
- Peninsula Orthopedic Associates IncDaly City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carol Marraccini-Otto among 14,451 physician assistant records in California
Carol Marraccini-Otto, PA-C is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 22% of them.
- NPI issued2008 · 22% of these records are older, 75% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2007 · median 2018 among the 7,214 with a school on file
- Record last updated2011 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 physician assistant records list a practice address in Daly City
They are 19 of the 1,606 NPPES records with a practice address in Daly City, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Daly City → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kevin Blodgett, PA-CDaly City, CA 940151619173010
- Caroline Choi, PADaly City, CA 940151487106183
- Catherine Heymann, PA-CDaly City, CA 940151386790657
- Rehan Khan, PACDaly City, CA 940151942216569
- William Li, PA-CDaly City, CA 940151447735006
- Tung Quach, P.A.-CDaly City, CA 940151215230503
- Stephanie Speizer, PA-CDaly City, CA 940151346556438
- Emily VanasseDaly City, CA 940151558031401
Common questions
What is Carol Marraccini-Otto, PA-C's NPI number?
Carol Marraccini-Otto, PA-C's National Provider Identifier (NPI) is 1063681302, issued on Feb 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Carol Marraccini-Otto, PA-C located?
The NPPES record lists a practice address at 1850 Sullivan Ave, Daly City, CA, 94015. Phone: (650) 756-5630. Providers update this record themselves, so call before visiting.
How can I verify Carol Marraccini-Otto, PA-C's license?
NPPES lists California license number PA 19627, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Carol Marraccini-Otto, PA-C prescribe under Medicare Part D?
In 2024, Carol Marraccini-Otto, PA-C had 171 Medicare Part D claims for 85 beneficiaries; the average among physician assistant prescribers was 830. 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.