NPPES file of Aug 9, 2026

Eilda Portillo, PA-C

Physician Assistant · Emeryville, CA

Eilda Portillo, PA-C is a physician assistant with a practice address in Emeryville, California, and NPI 1891959300, issued on Jul 14, 2008. Check the license (California PA19764, as entered in NPPES) with the California 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
1891959300
Name
Eilda Portillo
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
PA19764 CA
Self-reported in NPPES; status is on the state search
Practice location
2100 Powell St Ste 920, Emeryville, CA 94608
Phone
(510) 350-2600
Enumerated
Jul 14, 2008
Record last updated
Apr 2, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100604000634); 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.
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Also registered at 2100 Powell St Ste 920

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

  1. Michael Grazier, M.D.Emergency Medicine Physician1619279239
  2. Jennifer Gullo, MDEmergency Medicine Physician1306080841
  3. Joseph MaloneyPhysician Assistant1083084412
  4. Todd McGregor, MDEmergency Medicine Physician1427106400

Verify Eilda Portillo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA19764
    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 California 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.

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50% more Medicare Part D claims than the average physician assistant in 2024

1,246 Medicare Part D claims for 176 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 40 claims were for opioids.

  1. Eilda Portillo1,246
  2. Specialty average830

Most prescribed

  1. Metformin Hcl69 claims
  2. Atorvastatin Calcium64 claims
  3. Amlodipine Besylate56 claims
  4. Losartan Potassium53 claims
  5. Lisinopril52 claims
  6. Omeprazole52 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: $86.31

4 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eilda Portillo$86.31
  2. Specialty average$841.65

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. Omni Family HealthHanford, CA

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

Eilda Portillo among 14,451 physician assistant records in California

Eilda Portillo, 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
  • Graduated2006 · median 2018 among the 7,214 with a school on file
  • Record last updated2010 · 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).

57 physician assistant records list a practice address in Emeryville

They are 57 of the 703 NPPES records with a practice address in Emeryville, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Anna Alongi, PA-CEmeryville, CA 946081851598254
  2. Susan Bertelsen, P.A.-C.Emeryville, CA 946081790809739
  3. James FlagerEmeryville, CA 946081841360781
  4. John Hardin, PACEmeryville, CA 946081215032982
  5. Liza Jastrow, L.AC.Emeryville, CA 946081447314836
  6. Antonette Jeske, P.A.Emeryville, CA 946081902992779
  7. Linda Kilhoffer, PAEmeryville, CA 946081346307071
  8. Martha Lynch, PA-COakland, CA 946081093727133

Common questions

What is Eilda Portillo, PA-C's NPI number?

Eilda Portillo, PA-C's National Provider Identifier (NPI) is 1891959300, issued on Jul 14, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Eilda Portillo, PA-C located?

The NPPES record lists a practice address at 2100 Powell St Ste 920, Emeryville, CA, 94608. Phone: (510) 350-2600. Providers update this record themselves, so call before visiting.

How can I verify Eilda Portillo, PA-C's license?

NPPES lists California license number PA19764, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Eilda Portillo, PA-C prescribe under Medicare Part D?

In 2024, Eilda Portillo, PA-C had 1,246 Medicare Part D claims for 176 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.