Registry data as of Aug 27, 2026

Carla Allen, N.P.

Nurse Practitioner · Upland, CA

Carla Allen, N.P. is a nurse practitioner with a practice address in Upland, California, and NPI 1063689990, issued on May 9, 2008. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1063689990
Name
Carla Allen
Credential
N.P.
Primary taxonomy
Nurse Practitioner 363L00000X
Practice location
1100 San Bernardino Road, Upland, CA 91786
Phone
(909) 949-2242
Enumerated
May 9, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1100 San Bernardino Road

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

  1. Eduardo Garcia, FNPFamily Nurse Practitioner1316287022
  2. Natasha GargHematology & Oncology Physician1831458835
  3. Naveen Gupta, M.D.Hematology & Oncology Physician1720024128
  4. Mark Hanna, MDColon & Rectal Surgery Physician1902120439
  5. Emmanuel Mitsinikos, M.D.Urology Physician1386903912
  6. Mehdi Moslemi-Kebria, MDGynecologic Oncology Physician1558569830

Verify Carla Allen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

28% fewer Medicare Part D claims than the average nurse practitioner in 2024

825 Medicare Part D claims for 178 beneficiaries, against an average of 1,144 among the 50,277 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims. 19 claims were for opioids.

  1. Carla Allen825
  2. Specialty average1,144

Most prescribed

  1. Anastrozole121 claims
  2. Ibrance62 claims
  3. Eliquis59 claims
  4. Letrozole35 claims
  5. Tamoxifen Citrate31 claims
  6. Exemestane29 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.

The practice group's Medicare quality score for 2023: 99.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.2
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. City OF Hope Medical FoundationIrvine, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

26 nurse practitioner records list a Upland practice address

They are 26 of the 1,846 NPPES records with a Upland practice address, and 7,120 nurse practitioner records in California.

Other nurse practitioner records in California

  1. Barbara Aaronson, RN/NURSE PRACTITONERLos Angeles, CA1588988182
  2. Albert Aba, AGNPSan Francisco, CA1578353777
  3. Venice AbabatColton, CA1083240881
  4. Martha Ababneh, CNAEl Monte, CA1275118614
  5. Chelsea Abad, CRNP, AGPCNP - BCDuarte, CA1952848137
  6. Shayda Abadi, NPPalo Alto, CA1316745540
  7. Jessika Abarca, NPSan Fernando, CA1972263945
  8. Hangama Abassi, N.P.Walnut Creek, CA1487083655
  9. Elizabeth Abaunza, NPSan Francisco, CA1962044347
  10. Honeylynn Abaya, NPMoreno Valley, CA1528799145

Common questions

What is Carla Allen, N.P.'s NPI number?

Carla Allen, N.P.'s National Provider Identifier (NPI) is 1063689990, issued on May 9, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Carla Allen, N.P. located?

The NPPES record lists a practice address at 1100 San Bernardino Road, Upland, CA, 91786. Phone: (909) 949-2242. Providers update this record themselves, so call before visiting.

How can I verify Carla Allen, N.P.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Carla Allen, N.P. prescribe under Medicare Part D?

In 2024, Carla Allen, N.P. had 825 Medicare Part D claims for 178 beneficiaries; the average among nurse practitioner prescribers was 1,144. Part D covers Medicare prescriptions only.

What is Carla Allen, N.P.'s Medicare quality score?

The 2023 MIPS final score is 99.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.