NPPES file of Aug 9, 2026

Mary Elizabeth Barba, NP

Family Nurse Practitioner · Riverside, CA

Mary Elizabeth Barba, NP is a family nurse practitioner with a practice address in Riverside, California, and NPI 1447659370, issued on Aug 15, 2014. Check the license (California 95001152, 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
1447659370
Name
Mary Elizabeth Barba
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
95001152 CA
Self-reported in NPPES; status is on the state search
Practice location
4646 Brockton Ave, Riverside, CA 92506
Phone
(951) 774-2942
Enumerated
Aug 15, 2014
Record last updated
Aug 15, 2014 (not updated in 12 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20220422002271); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →

Also registered at 4646 Brockton Ave

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

  1. Suman Agarwal, MDFamily Medicine Physician1861489098
  2. Maria Ascencio, FNP-CFamily Nurse Practitioner1497299549
  3. Victoria Begley, N.P.Nurse Practitioner1760417034
  4. John Branch, DOFamily Medicine Physician1174510309
  5. Julie Buchanan, PA-CMedical Physician Assistant1710298005
  6. Glenda ConleyPharmacist1902361389

Verify Mary Elizabeth Barba 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 95001152    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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22% fewer Medicare Part D claims than the average family nurse practitioner in 2024

1,019 Medicare Part D claims for 142 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Mary Barba1,019
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium74 claims
  2. Lisinopril56 claims
  3. Metformin Hcl50 claims
  4. Ozempic43 claims
  5. Losartan Potassium39 claims
  6. Amlodipine Besylate36 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: $403.93

19 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Barba$403.93
  2. Specialty average$650.95

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. Orangecrest Medical Group, Inc.Riverside, CA

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

Mary Elizabeth Barba among 16,966 family nurse practitioner records in California

Mary Elizabeth Barba, NP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 27% of them.

  • NPI issued2014 · 27% of these records are older, 69% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 40% of these records are
  • Graduated2014 · median 2019 among the 6,793 with a school on file
  • Record last updated2014 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

184 family nurse practitioner records list a practice address in Riverside

They are 184 of the 13,893 NPPES records with a practice address in Riverside, and 16,966 family nurse practitioner records in California.

All 16,966 in California → Every provider in Riverside → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Shannon AllenRiverside, CA 925061982089173
  2. Elizabeth Cano, FNPRiverside, CA 925061265784490
  3. Glendy ChenRiverside, CA 925061619388741
  4. Deborah Croan, FNPRiverside, CA 925061669799615
  5. Jennifer Ellstrom, C.NPRiverside, CA 925061972839462
  6. Rhonda McGaughranRiverside, CA 925061699142075
  7. Debra Rodgers, NPRiverside, CA 925061144318957
  8. Joetta Solomon, RNPRiverside, CA 925061083832166

Common questions

What is Mary Elizabeth Barba, NP's NPI number?

Mary Elizabeth Barba, NP's National Provider Identifier (NPI) is 1447659370, issued on Aug 15, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Mary Elizabeth Barba, NP located?

The NPPES record lists a practice address at 4646 Brockton Ave, Riverside, CA, 92506. Phone: (951) 774-2942. Providers update this record themselves, so call before visiting.

How can I verify Mary Elizabeth Barba, NP's license?

NPPES lists California license number 95001152, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Elizabeth Barba, NP prescribe under Medicare Part D?

In 2024, Mary Elizabeth Barba, NP had 1,019 Medicare Part D claims for 142 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.