NPPES file of Aug 9, 2026

Tonja Lynette Harris-Stansil, M.D.

Obstetrics & Gynecology Physician · Manteca, CA

Tonja Lynette Harris-Stansil, M.D. is an obstetrics & gynecology physician with a practice address in Manteca, California, and NPI 1578653028, issued on Oct 13, 2006. Check the license (California A88521, 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
1578653028
Name
Tonja Lynette Harris-Stansil
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A88521 CA
Self-reported in NPPES; status is on the state search
Practice location
1234 E North St, Manteca, CA 95336
Phone
(209) 824-2202
Enumerated
Oct 13, 2006
Record last updated
Dec 28, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(209) 824-2205
Medicare enrollment
Enrolled (PECOS I20101111000434); accepts Medicare assignment
Medical or professional school
University Of California, Geffen School Of Medicine, 2002
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 1234 E North St

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

  1. Santokh Bhullar, MDInternal Medicine Physician1760594105
  2. Jack Harvey, D.P.MFoot & Ankle Surgery Podiatrist1033475678
  3. Abbas Kashani, M.D.Otolaryngology/Facial Plastic Surgery Physician1649237884
  4. Renee Lee, R.N., N.P.Family Nurse Practitioner1063688299
  5. Howard Marks, M.D.Gastroenterology Physician1962479352
  6. Jeffrey McGillicuddy, MDOrthopaedic Surgery Physician1871698993

Verify Tonja Lynette Harris-Stansil in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A88521
    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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89% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

18 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Tonja Harris-Stansil18
  2. Specialty average165

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): 78.1 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 score74.7
  2. Costout of 100 · 30%52.6
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities30 of 40 points · 15%75.0

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

Industry payments in 2024: $63.82

1 payment: food and beverage; the largest payer was Dexcom, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tonja Harris-Stansil$63.82
  2. Specialty average$1,030.61

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. San Joaquin Faculty Medical GroupFrench Camp, CA

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

Tonja Lynette Harris-Stansil among 5,088 obstetrics & gynecology physician records in California

Tonja Lynette Harris-Stansil, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2002 · median 2004 among the 2,700 with a school on file
  • Record last updated2010 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

11 obstetrics & gynecology physician records list a practice address in Manteca

They are 11 of the 1,017 NPPES records with a practice address in Manteca, and 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Linda Bouchard, M.D.Manteca, CA 953361275569352
  2. Gail Joseph, M.D.Manteca, CA 953361447543160
  3. George Kunhardt, MDManteca, CA 953361952491987
  4. Kelly Mah, M.D.Manteca, CA 953361053420489
  5. Catherine Mathis, M.D.Manteca, CA 953361457423279
  6. George Scott, MDManteca, CA 953361942288873
  7. Preeti Srivatsa, MDManteca, CA 953361659326775
  8. Cynthia Vanata, DOManteca, CA 953361093748006

Common questions

What is Tonja Lynette Harris-Stansil, M.D.'s NPI number?

Tonja Lynette Harris-Stansil, M.D.'s National Provider Identifier (NPI) is 1578653028, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Tonja Lynette Harris-Stansil, M.D. located?

The NPPES record lists a practice address at 1234 E North St, Manteca, CA, 95336. Phone: (209) 824-2202. Providers update this record themselves, so call before visiting.

How can I verify Tonja Lynette Harris-Stansil, M.D.'s license?

NPPES lists California license number A88521, 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 Tonja Lynette Harris-Stansil, M.D. prescribe under Medicare Part D?

In 2024, Tonja Lynette Harris-Stansil, M.D. had 18 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

What is Tonja Lynette Harris-Stansil, M.D.'s MIPS final score?

The 2023 MIPS final score is 78.1 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.