Christina Ann Pierce, NP
Adult Health Nurse Practitioner · Duarte, CA
Christina Ann Pierce, NP is an adult health nurse practitioner with a practice address in Duarte, California, and NPI 1831385251, issued on Sep 19, 2007. Check the license (California NP20781, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christina Ann Pierce
- Credential
- NP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- NP20781 CA
AP2793 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1500 East Duarte RD, Duarte, CA 91010
- Phone
- (626) 256-4673
- Enumerated
- Sep 19, 2007
- Record last updated
- Feb 17, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080403000344); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 1,405 in California → Look up another NPI →
Also registered at 1500 East Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tomoko Tagawa, M.D.Internal Medicine Physician1285825414
- Traci Young, N.P.Adult Health Nurse Practitioner1720254493
Verify Christina Ann Pierce in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license NP20781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
335 Medicare Part D claims for 36 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
Most prescribed
- Acyclovir38 claims
- Mirtazapine21 claims
- Posaconazole16 claims
- Valacyclovir16 claims
- Potassium Chloride15 claims
- Famotidine14 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 MIPS final score for 2023 (Medicare payment program): 67.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $416.75
10 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- HonorhealthScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina Ann Pierce among 1,405 adult health nurse practitioner records in California
Christina Ann Pierce, NP is one of 1,405 adult health nurse practitioner records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 18% of them.
- NPI issued2007 · 18% of these records are older, 70% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileYes · 31% of these records are
- Graduated2007 · median 2013 among the 441 with a school on file
- Record last updated2015 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 adult health nurse practitioner records list a practice address in Duarte
They are 18 of the 1,287 NPPES records with a practice address in Duarte, and 1,405 adult health nurse practitioner records in California.
All 1,405 in California → Every provider in Duarte → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Lauren Becker, NPDuarte, CA 910101326316241
- Shannon BellDuarte, CA 910101861702110
- Korie BigbeeDuarte, CA 910101497047377
- German Caraang, N.P.Duarte, CA 910101366729766
- Joyce Chowsanitphon, N.P.Duarte, CA 910101265732507
- Roger Harthrong, NPDuarte, CA 910101396891263
- Cecile Kokozian, NPDuarte, CA 910101336499342
- Carey Ramirez, NPDuarte, CA 910101205105806
Common questions
What is Christina Ann Pierce, NP's NPI number?
Christina Ann Pierce, NP's National Provider Identifier (NPI) is 1831385251, issued on Sep 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Christina Ann Pierce, NP located?
The NPPES record lists a practice address at 1500 East Duarte RD, Duarte, CA, 91010. Phone: (626) 256-4673. Providers update this record themselves, so call before visiting.
How can I verify Christina Ann Pierce, NP's license?
NPPES lists California license number NP20781, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Christina Ann Pierce, NP prescribe under Medicare Part D?
In 2024, Christina Ann Pierce, NP had 335 Medicare Part D claims for 36 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
What is Christina Ann Pierce, NP's MIPS final score?
The 2023 MIPS final score is 67.1 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), 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.