NPPES file of Aug 9, 2026

Terisa Marie Brown-Sienko, NP

Nurse Practitioner · Anaheim Hills, CA

Terisa Marie Brown-Sienko, NP is a nurse practitioner with a practice address in Anaheim Hills, California, and NPI 1629081138, issued on Aug 14, 2006. Check the license (California 6651, 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
1629081138
Name
Terisa Marie Brown-Sienko
Credential
NP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
6651 CA
Self-reported in NPPES; status is on the state search
Practice location
500 S Anaheim Hills RD, Anaheim Hills, CA 92807
Phone
(714) 282-6934
Enumerated
Aug 14, 2006
Record last updated
Sep 12, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(714) 282-6935
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 500 S Anaheim Hills RD

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

  1. Mary Berry, D.O.Family Medicine Physician1568449783
  2. Caren Chen, MDInternal Medicine Physician1538172044
  3. Bernadine Deramo, NPFamily Nurse Practitioner1255344768
  4. Donna Frisch, MDInternal Medicine Physician1093728503
  5. Deborah Hill, MDPediatrics Physician1073662490
  6. Ivan Martinez, M.D.Endocrinology, Diabetes & Metabolism Physician1023014800

Verify Terisa Marie Brown-Sienko 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 6651
    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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3% fewer Medicare Part D claims than the average nurse practitioner in 2024

1,074 Medicare Part D claims for 260 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Terisa Brown-Sienko1,074
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium79 claims
  2. Levothyroxine Sodium76 claims
  3. Alendronate Sodium39 claims
  4. Rosuvastatin Calcium39 claims
  5. Losartan Potassium32 claims
  6. Fluoxetine Hcl29 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.

Terisa Marie Brown-Sienko among 8,223 nurse practitioner records in California

Terisa Marie Brown-Sienko, NP is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 82% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2017 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

3 nurse practitioner records list a practice address in Anaheim Hills

They are 3 of the 29 NPPES records with a practice address in Anaheim Hills, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Donna Amezquita, NPAnaheim, CA 928071255402145
  2. Sandra Anderson, NPAnaheim, CA 928071528135381
  3. Tina Carrillo, NPAnaheim, CA 928071083781850
  4. Gretchen Devine, NPAnaheim, CA 928071538236302
  5. Masayuki Fukuzawa, NPAnaheim, CA 928071669549424
  6. Mary Harris, NPAnaheim, CA 928071699842468
  7. Siulan Hsieh, NPAnaheim, CA 928071144391038
  8. Karen Jones, NPAnaheim, CA 928071992872766

Common questions

What is Terisa Marie Brown-Sienko, NP's NPI number?

Terisa Marie Brown-Sienko, NP's National Provider Identifier (NPI) is 1629081138, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Terisa Marie Brown-Sienko, NP located?

The NPPES record lists a practice address at 500 S Anaheim Hills RD, Anaheim Hills, CA, 92807. Phone: (714) 282-6934. Providers update this record themselves, so call before visiting.

How can I verify Terisa Marie Brown-Sienko, NP's license?

NPPES lists California license number 6651, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Terisa Marie Brown-Sienko, NP prescribe under Medicare Part D?

In 2024, Terisa Marie Brown-Sienko, NP had 1,074 Medicare Part D claims for 260 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.