Dr. Tei Chen Wang, MD

  • West Covina, CA
  • Internist
NPI1679523906PAC ID8022147909
Medicare services, 2024
88
Medicare patients, 2024
63
Part D claims, 2024
386
MIPS score, 2024
81
Industry payments
$47
Practice address
1500 W West Covina Pkwy, West Covina, CA 91790
Practice phone
Call (818) 637-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lakeside Medical Organization, a Medical Group Inc.

West Covina, California

See all 3 affiliations

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Dr. Tei Chen Wang is an internist in West Covina, California

Dr. Wang practices at Lakeside Medical Organization, a Medical Group Inc. in West Covina, California.

Dr. Wang's NPI, 1679523906, was assigned on May 10, 2006. Dr. Wang graduated from Kaohsiung Medical College in 1969. Dr. Wang holds California license A30323.

NPI and contact details
Medicare PAC ID
8022147909
NPI enumeration date
May 10, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(818) 637-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
83
Medical school graduation
1969

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Tei Chen Wang practices at Lakeside Medical Organization, a Medical Group Inc. in West Covina, California

Dr. Wang's primary practice is Lakeside Medical Organization, a Medical Group Inc., at 1500 W West Covina Pkwy, West Covina, CA 91790 in Los Angeles County. The practice phone is (818) 637-2000.

  • Lakeside Medical Organization, a Medical Group Inc.
    1500 W West Covina Pkwy, West Covina, CA 91790 · Los Angeles CountyPhone(818) 637-2000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Tei Chen Wang is affiliated with 2 sites of care and 1 medical group

Dr. Wang's primary practice is Lakeside Medical Organization, a Medical Group Inc. in West Covina, California. The medical group on file is Lakeside Community Healthcare. Dmand AI also links Dr. Wang to 1 more group practice or clinic, named with a free account.

Lakeside Medical Organization, a Medical Group Inc.West Covina, CaliforniaPrimary
Lakeside Community HealthcarePrimary care group, Northridge, CA1 group practice or clinicName with a free account
See all 3 affiliations for Dr. Wang

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Tei Chen Wang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wang practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lakeside Medical Organization, a Medical Group Inc.Available with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Tei Chen Wang is one of 16,751 internists in California

Internal medicine is Dr. Wang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Wang's licenses on file in 2 states: California and Pennsylvania.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense A30323 · 1976 to 2027 · taxonomy 207R00000X
  • Pennsylvania license1974 to 1980

Clinical focus

Dmand AI lists acute gastroduodenitis, acute mini-stroke (TIA), acute sinusitis, acute skin infection, asthma, conjunctivitis, contact dermatitis and diabetic emergency among the conditions Dr. Wang treats.

Internists near Dr. Wang

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Tei Chen Wang billed Medicare for 88 services in 2024

CMS data shows 88 Medicare services from Dr. Wang across 5 procedure codes in 2024, for 63 Medicare patients. Medicare paid $5,073 for them. Every service was in an office.

Medicare services, 202488
Medicare patients63
Paid by Medicare$5,073
Procedure codes5

Dr. Wang's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1062024: 6440%
Lab and pathology
2023: 02024: 24
Tests and treatments
2023: 162024: 0100%

Dr. Wang compared with the California median for internists, 2024

  • Dr. Wang
  • California median
Medicare services
88vs 36176% below
Medicare patients
63vs 15158% below
Part D claims
221vs 42148% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Wang's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Wang

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Wang and other internists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Tei Chen Wang treated 63 Medicare patients in 2024, average age 72

CMS counts 63 Medicare patients who saw Dr. Wang in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 44% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Wang's median patient age at 48, with 59% women.

Medicare patients, 202463
Average age72
Average risk score1.47
Also on Medicaid44%

Dr. Wang's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Wang's Medicare patients by sex, 2024

  • Women4876%
  • Men1524%

Chronic conditions among Dr. Wang's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes56%
  4. Arthritis49%
  5. Chronic kidney disease24%
  6. Osteoporosis24%
  7. Anxiety17%
  8. Heart failure17%

Share of Medicare patients with each condition. A patient can have several.

Dr. Wang's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 48

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Tei Chen Wang wrote 386 Medicare Part D claims in 2024

In 2024, Dr. Wang wrote 386 Medicare Part D claims for 188 patients. 92% of them were for generic drugs. CMS names the drug for 221 of them, across 11 drugs with 11 or more claims each, at $1,764 in total drug cost. In 2023, CMS named 300 claims across 15 drugs.

Part D claims, 2024386
Drugs named by CMS11
Total drug cost$1,764
Part D patients188

Dr. Wang's Part D claims by kind of drug, 2024

  • Generic357 claims92%
  • Brand-name and other29 claims8%

Dr. Wang's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Wang's Part D claims, 2024

  • Antibiotics41%160 of 386 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3002024: 22126%

Drugs named by CMS: 11 in 2024, 15 in 2023.

See all prescribing by Dr. Wang

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Tei Chen Wang scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Wang for performance year 2024, reported as part of a group. Dr. Wang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Wang's MIPS scores, performance year 2024

  • 81of 100Final score
  • 62.4of 100Quality
  • 76of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Tei Chen Wang received $47 in industry payments from 2017 to 2023

CMS Open Payments shows 2 general payments to Dr. Wang from 2 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $33.

General payments to Dr. Wang by program year, 2017 to 2023

Companies that paid Dr. Wang the most, 2017 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Wang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Tei Chen Wang graduated from Kaohsiung Medical College

Dr. Wang graduated from Kaohsiung Medical College in 1969.

  1. Medical schoolKaohsiung Medical College

Source: Dmand AI Professional Profile Data

Dr. Tei Chen Wang accepts plans from 9 insurance carriers

Dr. Wang is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • Regence Health Plans
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • +1 more carriersWith a free account

Plan types Dr. Wang accepts, by number of carriers

  1. Medicare7
  2. PPO5
  3. HMO4
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Tei Chen Wang's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Tei Chen Wang

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Tei Chen Wang's NPI number?

Dr. Tei Chen Wang's NPI number is 1679523906. It was assigned on May 10, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Tei Chen Wang?

Dr. Tei Chen Wang is an internist in West Covina, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Tei Chen Wang practice?

Dr. Wang practices at 1500 W West Covina Pkwy, West Covina, CA 91790. Dr. Wang's primary practice is Lakeside Medical Organization, a Medical Group Inc. in West Covina, California. Dmand AI also links Dr. Wang to 1 group practice or clinic.

What is Dr. Tei Chen Wang's office phone number?

The practice phone on file for Dr. Wang is (818) 637-2000.

What is Dr. Tei Chen Wang's medical license number?

Dr. Wang holds California license A30323, one of the licenses on file in 2 states.

Which states has Dr. Tei Chen Wang been licensed in?

Dmand AI has state licenses on file for Dr. Wang in California (1976 to 2027) and Pennsylvania (1974 to 1980).

What medical group is Dr. Tei Chen Wang part of?

Dr. Wang is linked to Lakeside Community Healthcare.

Does Dr. Tei Chen Wang accept Medicare?

Yes. CMS data shows Dr. Wang billed Medicare for 88 services in 2024, and Dr. Wang accepts Medicare assignment.

What is Dr. Tei Chen Wang's MIPS score?

Dr. Wang's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.

How many Medicare patients does Dr. Tei Chen Wang see?

CMS counts 63 Medicare patients who saw Dr. Wang in 2024, with an average age of 72.

Show 6 more questionsShow fewer questions

What services does Dr. Tei Chen Wang bill to Medicare?

In 2024, Dr. Wang's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, established patient (99214).

Where did Dr. Tei Chen Wang go to medical school?

Dr. Wang graduated from Kaohsiung Medical College in 1969.

What drugs does Dr. Tei Chen Wang prescribe most?

In 2024 Medicare Part D data, Dr. Wang's most prescribed drugs by claims were Cephalexin, Amoxicillin and Amoxicillin-Clavulanate Potass.

Has Dr. Tei Chen Wang received payments from drug or device companies?

CMS Open Payments shows $47 in general payments to Dr. Wang from 2 companies from 2017 to 2023. The largest total came from Pfizer Inc.

How long has Dr. Tei Chen Wang been practicing?

Dr. Wang graduated from medical school in 1969, 57 years ago.

What insurance does Dr. Tei Chen Wang accept?

Dr. Wang is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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