NPPES file of Aug 9, 2026

Caroline May-San Fung, P.A.

Surgical Physician Assistant · Portland, OR

Caroline May-San Fung, P.A. is a surgical physician assistant with a practice address in Portland, Oregon, and NPI 1558364489, issued on May 24, 2005. Check the license (Oregon PA00763, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558364489
Name
Caroline May-San Fung
Credential
P.A.
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
PA00763 OR
Self-reported in NPPES; status is on the state search
Practice location
9555 SW Barnes RD, Portland, OR 97225
Phone
(503) 297-7403
Enumerated
May 24, 2005
Record last updated
Feb 19, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(503) 384-9908
Medicaid IDs
500604574 OR
1013208 WA
Medicare enrollment
Enrolled (PECOS I20101019001512); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 9555 SW Barnes RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hugh Alexander, MDPediatrics Physician1811986813
  2. Jay Andersen, M.D.Hematology & Oncology Physician1922001023
  3. Christine Barlow Reed, CNMAdvanced Practice Midwife1568481216
  4. Sarah Bodian, RNAdvanced Practice Midwife1104252097
  5. Rebecca ClarkGenetic Counselor (M.S.)1285025619
  6. Erin Cope, LCSWClinical Social Worker1336577386

Verify Caroline May-San Fung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Oregon board licenses this profession
    Search for license PA00763
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

42% fewer Medicare Part D claims than the average surgical physician assistant in 2024

177 Medicare Part D claims for 76 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 38 claims were for opioids.

  1. Caroline Fung177
  2. Specialty average304

Most prescribed

  1. Gabapentin26 claims
  2. Hydrocodone-Acetaminophen18 claims
  3. Oxycodone Hcl16 claims
  4. Ondansetron Odt13 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: $123.67

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Caroline Fung$123.67
  2. Specialty average$703.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Northwest Cancer Specialists PCTigard, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Caroline May-San Fung among 362 surgical physician assistant records in Oregon

Caroline May-San Fung, P.A. is one of 362 surgical physician assistant records with a practice address in Oregon. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 93% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated1999 · median 2014 among the 281 with a school on file
  • Record last updated2013 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in Oregon

There are 362 surgical physician assistant records in Oregon.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Robert Burkhart, P.A.Portland, OR 972251336153352
  2. Clayton Carnahan, PA-CPortland, OR 972251700034907
  3. Patricia Henderson, PA-CPortland, OR 972251265440309
  4. Lindsey Hern, PA-CPortland, OR 972251437191368
  5. Jordan Horrocks, PA-CPortland, OR 972251558538140
  6. Danielle Kohl, PA-CPortland, OR 972251467506618
  7. Jason Lines, PACPortland, OR 972251679548416
  8. Erin Montgomery, PA-CPortland, OR 972251508872607

Common questions

What is Caroline May-San Fung, P.A.'s NPI number?

Caroline May-San Fung, P.A.'s National Provider Identifier (NPI) is 1558364489, issued on May 24, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Caroline May-San Fung, P.A. located?

The NPPES record lists a practice address at 9555 SW Barnes RD, Portland, OR, 97225. Phone: (503) 297-7403. Providers update this record themselves, so call before visiting.

How can I verify Caroline May-San Fung, P.A.'s license?

NPPES lists Oregon license number PA00763, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.

How much does Caroline May-San Fung, P.A. prescribe under Medicare Part D?

In 2024, Caroline May-San Fung, P.A. had 177 Medicare Part D claims for 76 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.