NPPES file of Aug 9, 2026

Nina Maisterra, MD

Family Medicine Physician · Healdsburg, CA

Nina Maisterra, MD is a family medicine physician with a practice address in Healdsburg, California, and NPI 1356497259, issued on Jan 25, 2007. Check the license (California A74013, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356497259
Name
Nina Maisterra
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
A74013 CA
MD60431922 WA
Self-reported in NPPES; status is on the state search
Practice location
1381 University St, Healdsburg, CA 95448
Phone
(707) 433-5494
Enumerated
Jan 25, 2007
Record last updated
Feb 3, 2026
Fax
(707) 433-0229
Medicaid ID
1356497259 WA
Medicare enrollment
Enrolled (PECOS I20141212000060); 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 1381 University St

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

  1. Juana Alvarez, NPNurse Practitioner1518049659
  2. Gerardo Amador, DDSDentist1780742361
  3. Seth Ammerman, MDPediatric Adolescent Medicine Physician1831290154
  4. Robert Azcarraga, MDFamily Medicine Physician1477548709
  5. Christopher Barker, MDFamily Medicine Physician1619029840
  6. Barbara Boylan, MDCardiovascular Disease Physician1013091081

Verify Nina Maisterra in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A74013
    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
Open 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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76% fewer Medicare Part D claims than the average family medicine physician in 2024

842 Medicare Part D claims for 94 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Nina Maisterra842
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium72 claims
  2. Rosuvastatin Calcium48 claims
  3. Lisinopril44 claims
  4. Amlodipine Besylate39 claims
  5. Losartan Potassium29 claims
  6. Levothyroxine Sodium28 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 MIPS final score for 2023 (Medicare payment program): 93.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score74.0
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Alliance Medical CenterHealdsburg, CA
  2. The Association OF University PhysiciansSeattle, WA

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

Nina Maisterra among 17,133 family medicine physician records in California

Nina Maisterra, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 41% of them.

  • NPI issued2007 · 41% of these records are older, 47% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1999 · median 2005 among the 10,652 with a school on file
  • Record last updated2026 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

27 family medicine physician records list a practice address in Healdsburg

They are 27 of the 226 NPPES records with a practice address in Healdsburg, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Richard Andolsen, MDHealdsburg, CA 954481376533638
  2. Robert Azcarraga, MDHealdsburg, CA 954481477548709
  3. Mary Berg, MDHealdsburg, CA 954481487724290
  4. Maria Garcia, MDHealdsburg, CA 954481073500732
  5. Andre Gerard, MDHealdsburg, CA 954481891722500
  6. Walter Maack, M.D.Healdsburg, CA 954481588765416
  7. Jeffrey Meckler, MDHealdsburg, CA 954481316932635
  8. Thomas Neal, M.D.Healdsburg, CA 954481649298910

Common questions

What is Nina Maisterra, MD's NPI number?

Nina Maisterra, MD's National Provider Identifier (NPI) is 1356497259, issued on Jan 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nina Maisterra, MD located?

The NPPES record lists a practice address at 1381 University St, Healdsburg, CA, 95448. Phone: (707) 433-5494. Providers update this record themselves, so call before visiting.

How can I verify Nina Maisterra, MD's license?

NPPES lists California license number A74013, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Nina Maisterra, MD prescribe under Medicare Part D?

In 2024, Nina Maisterra, MD had 842 Medicare Part D claims for 94 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Nina Maisterra, MD's MIPS final score?

The 2023 MIPS final score is 93.1 of 100. 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.