NPPES file of Aug 9, 2026

Jennifer Ngai Yen Tam, O.D.

Vision Therapy Optometrist · La Mesa, CA

Jennifer Ngai Yen Tam, O.D. is a vision therapy optometrist with a practice address in La Mesa, California, and NPI 1063570992, issued on Dec 4, 2006. Check the license (California 12707T, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1063570992
Name
Jennifer Ngai Yen Tam
Credential
O.D.
Primary taxonomy
Vision Therapy Optometrist 152WV0400X
License number
12707T CA
Self-reported in NPPES; status is on the state search
Practice location
7862 EL Cajon Blvd, La Mesa, CA 91942
Phone
(619) 644-6405
Enumerated
Dec 4, 2006
Record last updated
Apr 25, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(619) 461-5158
Medicare enrollment
Enrolled (PECOS I20080123000807); accepts Medicare assignment
Medical or professional school
Pacific University - College Of Optometry, 2004
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 7862 EL Cajon Blvd

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

  1. Tina Chen, M.D.Dermatology Physician1073759627
  2. Grace ChoBehavior Technician1770375115
  3. Katherine Clyman, M.D.Dermatology Physician1497789747
  4. Esther Davila, DOFamily Medicine Physician1144714619
  5. Kevin Delgadillo, PA-CMedical Physician Assistant1770750978
  6. Jaclyn Feldman, CCC-SLPSpeech-Language Pathologist1093018012

Verify Jennifer Ngai Yen Tam 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 12707T
    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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11% more Medicare Part D claims than the average vision therapy optometrist in 2024

209 Medicare Part D claims for 103 beneficiaries, against an average of 189 among the 109 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.

  1. Jennifer Tam209
  2. Specialty average189

Most prescribed

  1. Restasis39 claims
  2. Erythromycin27 claims
  3. Azelastine Hcl22 claims
  4. Xiidra19 claims
  5. Latanoprost16 claims
  6. Lumigan14 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): 73.6 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 score74.6
  2. Costout of 100 · 30%58.7
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $262.67

8 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 146 providers of this specialty with any payment received $1,184.25 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jennifer Tam$262.67
  2. Specialty average$1,184.25

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. Sharp Rees-Stealy Medical Group IncLa Mesa, CA

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

Jennifer Ngai Yen Tam among 57 vision therapy optometrist records in California

Jennifer Ngai Yen Tam, O.D. is one of 57 vision therapy optometrist 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 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 58% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2004 · median 1993 among the 26 with a school on file
  • Record last updated2016 · 84% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152WV0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vision Therapy Optometrist providers in California

There are 57 vision therapy optometrist records in California.

The 8 vision therapy optometrist records with the nearest ZIP codes

  1. Carl Hillier, ODLemon Grove, CA 919451508981721
  2. Karen Love, O.D.Escondido, CA 920271396896965
  3. Justine Bailey, OD, FCOVDLa Jolla, CA 920371962886887
  4. Lisa Weiss, O.D.Rancho Santa Fe, CA 920671790867091
  5. Judy Cao, O.D.San Gabriel, CA 917761396153508
  6. Gary Sneag, O.D.,F.C.O.V.D.San Diego, CA 921171952394777
  7. Stuart Mann, ODPomona, CA 917661982627584
  8. Ariana Aparicio-Phillips, ODRiverside, CA 925061154090736

Common questions

What is Jennifer Ngai Yen Tam, O.D.'s NPI number?

Jennifer Ngai Yen Tam, O.D.'s National Provider Identifier (NPI) is 1063570992, issued on Dec 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Ngai Yen Tam, O.D. located?

The NPPES record lists a practice address at 7862 EL Cajon Blvd, La Mesa, CA, 91942. Phone: (619) 644-6405. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Ngai Yen Tam, O.D.'s license?

NPPES lists California license number 12707T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jennifer Ngai Yen Tam, O.D. prescribe under Medicare Part D?

In 2024, Jennifer Ngai Yen Tam, O.D. had 209 Medicare Part D claims for 103 beneficiaries; the average among vision therapy optometrist prescribers was 189. Part D covers Medicare prescriptions only.

What is Jennifer Ngai Yen Tam, O.D.'s MIPS final score?

The 2023 MIPS final score is 73.6 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.