NPPES file of Aug 9, 2026

Sarah Nasreen Miller, FNP

Nurse Practitioner · Vista, CA

Sarah Nasreen Miller, FNP is a nurse practitioner with a practice address in Vista, California, and NPI 1891933578, issued on Feb 3, 2009. Check the license (California 18866, 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
1891933578
Name
Sarah Nasreen Miller
Credential
FNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
18866 CA
335798 NY
Self-reported in NPPES; status is on the state search
Practice location
1000 Vale Terrace Dr, Vista, CA 92084
Phone
(760) 433-6880
Enumerated
Feb 3, 2009
Record last updated
Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(760) 414-3731
Medicare enrollment
Enrolled (PECOS I20160603000957); 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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Also registered at 1000 Vale Terrace Dr

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

  1. Azucena AcostaClinical Social Worker1255937496
  2. Tonya Adkins, MDObstetrics & Gynecology Physician1285721712
  3. Autumn AhlersFamily Nurse Practitioner1821007519
  4. Susan AnderaFamily Nurse Practitioner1790914216
  5. Iris Arrieta, M.D.Obstetrics & Gynecology Physician1659614303
  6. Barbara Ascher, CNMAdvanced Practice Midwife1598901993

Verify Sarah Nasreen Miller 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 18866
    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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75% fewer Medicare Part D claims than the average nurse practitioner in 2024

280 Medicare Part D claims for 162 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.

  1. Sarah Miller280
  2. Specialty average1,109

Most prescribed

  1. Glipizide28 claims
  2. Ozempic27 claims
  3. Insulin Glargine-Yfgn24 claims
  4. Humulin N21 claims
  5. Metformin Hcl Er17 claims
  6. Nano 2nd Gen Pen Needle16 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: $22.57

1 payment: food and beverage; the largest payer was Pharmacosmos Therapeutics Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sarah Miller$22.57
  2. Specialty average$791.64

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. Southern California Permanente Medical GroupSan Diego, CA

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

Sarah Nasreen Miller among 8,223 nurse practitioner records in California

Sarah Nasreen Miller, FNP 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 2009, is newer than 30% of them.

  • NPI issued2009 · 30% of these records are older, 68% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileYes · 42% of these records are
  • Graduated2009 · median 2017 among the 3,425 with a school on file
  • Record last updated2021 · 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).

20 nurse practitioner records list a practice address in Vista

They are 20 of the 2,017 NPPES records with a practice address in Vista, and 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Trudy Cohen, NP (ADULT NURSE PRACVista, CA 920841700897626
  2. Ingrid Dekkers-O'Hare, NPVista, CA 920841013938968
  3. Toni DeprosperisVista, CA 920841437302353
  4. Yoko Elsasser, NPVista, CA 920841124105689
  5. Enrique Esteinou, MSN, NP, RN, PHNVista, CA 920841528741287
  6. Judith Hettig, FNPVista, CA 920841396815866
  7. Courtney Kelly, NPVista, CA 920841831426725
  8. Stephanie Kirkland, DNP, RN, FNP-CVista, CA 920841083813661

Common questions

What is Sarah Nasreen Miller, FNP's NPI number?

Sarah Nasreen Miller, FNP's National Provider Identifier (NPI) is 1891933578, issued on Feb 3, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Sarah Nasreen Miller, FNP located?

The NPPES record lists a practice address at 1000 Vale Terrace Dr, Vista, CA, 92084. Phone: (760) 433-6880. Providers update this record themselves, so call before visiting.

How can I verify Sarah Nasreen Miller, FNP's license?

NPPES lists California license number 18866, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Sarah Nasreen Miller, FNP prescribe under Medicare Part D?

In 2024, Sarah Nasreen Miller, FNP had 280 Medicare Part D claims for 162 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.