Dr. Jing Wang Chiang, MD

  • San Jose, CA
  • OB-GYN
NPI1346215100PAC ID2769462340
Medicare services, 2024
315
Medicare patients, 2024
198
Part D claims, 2024
84
MIPS score, 2024
61
Hospital affiliations
1
Practice address
751 South Bascom Avenue, San Jose, CA 95128
Practice phone
Call (408) 885-5000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Santa Clara Valley Medical Center

Hospital · San Jose, California

See all 3 affiliations

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Dr. Jing Wang Chiang is an OB-GYN in San Jose, California

Dr. Wang Chiang practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.

Dr. Wang Chiang's NPI, 1346215100, was assigned on February 22, 2006. Dr. Wang Chiang graduated from Stanford University School of Medicine in 1997. Dr. Wang Chiang holds California license A76004.

NPI and contact details
Medicare PAC ID
2769462340
NPI enumeration date
February 22, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(408) 885-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
55
Medical school graduation
1997

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

Dr. Jing Wang Chiang practices at Santa Clara Valley Medical Center in San Jose, California

Dr. Wang Chiang's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.

Source: Dmand AI Affiliation Data

Dr. Jing Wang Chiang is affiliated with 2 sites of care and 1 medical group

Dr. Wang Chiang's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic. Dmand AI also links Dr. Wang Chiang to 1 more community health center, named with a free account.

See all 3 affiliations for Dr. Wang Chiang

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jing Wang Chiang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wang Chiang practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Santa Clara Valley Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Wang Chiang practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Santa Clara, CA and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Jing Wang Chiang is one of 4,642 OB-GYNs in California

Obstetrics and gynecology is Dr. Wang Chiang's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Wang Chiang is licensed in California.

Specialties and state licenses

  • Obstetrics and gynecology, CaliforniaPrimaryLicense A76004 · taxonomy 207V00000X

OB-GYNs near Dr. Wang Chiang

Counts of OB-GYNs 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. Jing Wang Chiang billed Medicare for 315 services in 2024

CMS data shows 315 Medicare services from Dr. Wang Chiang across 4 procedure codes in 2024, all of them office visits, for 198 Medicare patients. Medicare paid $19,297 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024315
Medicare patients198
Paid by Medicare$19,297
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 3142024: 315No change

Dr. Wang Chiang compared with the California median for OB-GYNs, 2024

  • Dr. Wang Chiang
  • California median
Medicare services
315vs 585.4 times
Medicare patients
198vs 523.8 times
Part D claims
22vs 3537% below

Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.

Dr. Wang Chiang'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 Chiang

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

Dr. Jing Wang Chiang treated 198 Medicare patients in 2024, average age 72

CMS counts 198 Medicare patients who saw Dr. Wang Chiang in 2024. The largest group is 65 to 74, with 110 patients. 73% of them have high blood pressure, and 64% have cancer. 80% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Wang Chiang's median patient age at 63, with 93% women.

Medicare patients, 2024198
Average age72
Average risk score1.41
Also on Medicaid80%

Dr. Wang Chiang's Medicare patients by age, 2024

Dr. Wang Chiang's Medicare patients by sex, 2024

  • Women18191%
  • Men179%

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

  1. High blood pressure73%
  2. Cancer64%
  3. High cholesterol62%
  4. Diabetes43%
  5. Chronic kidney disease20%
  6. Arthritis19%
  7. Osteoporosis19%
  8. Anxiety18%

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

Dr. Wang Chiang's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women93%
  • Men6%

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

Dr. Jing Wang Chiang wrote 84 Medicare Part D claims in 2024

In 2024, Dr. Wang Chiang wrote 84 Medicare Part D claims for 21 patients. 70% of them were for generic drugs. CMS names the drug for 22 of them, across 2 drugs with 11 or more claims each, at $1,229 in total drug cost. In 2023, CMS named 11 claims across 1 drug.

Part D claims, 202484
Drugs named by CMS2
Total drug cost$1,229
Part D patients21

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

  • Generic59 claims70%
  • Brand-name25 claims30%

Dr. Wang Chiang'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 Chiang's Part D claims, 2024

  • Antibiotics14%12 of 84 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: 112024: 22100%

Drugs named by CMS: 2 in 2024, 1 in 2023.

See all prescribing by Dr. Wang Chiang

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. Jing Wang Chiang scored 61 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dr. Wang Chiang for performance year 2024, reported as part of a group. Dr. Wang Chiang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Wang Chiang as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Wang Chiang's MIPS scores, performance year 2024

  • 61of 100Final score
  • 59.4of 100Quality
  • 0of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

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

Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)

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

For MedTech and pharma teams

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Dr. Jing Wang Chiang received $7,838 in industry payments from 2019 to 2025

CMS Open Payments shows 21 general payments to Dr. Wang Chiang from 4 drug and device companies from 2019 to 2025. Education make up the largest share, 77% of the total. Intuitive Surgical, Inc. paid the most, $6,026.

General payments to Dr. Wang Chiang by program year, 2019 to 2025

General payments to Dr. Wang Chiang by kind, 2019 to 2025

$7.8Kin total
  • Education$6,00077%
  • Travel and lodging$1,10414%
  • Food and beverage$7359%

Companies that paid Dr. Wang Chiang the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Wang Chiang

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

Dr. Jing Wang Chiang graduated from Stanford University School of Medicine

Dr. Wang Chiang graduated from Stanford University School of Medicine in 1997.

  1. Medical schoolStanford University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Jing Wang Chiang'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Jing Wang Chiang

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. Jing Wang Chiang's NPI number?

Dr. Jing Wang Chiang's NPI number is 1346215100. It was assigned on February 22, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Jing Wang Chiang?

Dr. Jing Wang Chiang is an OB-GYN in San Jose, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Jing Wang Chiang practice?

Dr. Wang Chiang practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Wang Chiang's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Wang Chiang to 1 community health center.

What is Dr. Jing Wang Chiang's office phone number?

The practice phone on file for Dr. Wang Chiang is (408) 885-5000.

What is Dr. Jing Wang Chiang's medical license number?

Dr. Wang Chiang holds California license A76004.

Which hospitals is Dr. Jing Wang Chiang affiliated with?

Dr. Wang Chiang practices at Santa Clara Valley Medical Center in San Jose, California.

What medical group is Dr. Jing Wang Chiang part of?

Dr. Wang Chiang is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.

Does Dr. Jing Wang Chiang accept Medicare?

Yes. CMS data shows Dr. Wang Chiang billed Medicare for 315 services in 2024, and Dr. Wang Chiang accepts Medicare assignment.

Does Dr. Jing Wang Chiang offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Wang Chiang as offering telehealth services.

What is Dr. Jing Wang Chiang's MIPS score?

Dr. Wang Chiang's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Jing Wang Chiang see?

CMS counts 198 Medicare patients who saw Dr. Wang Chiang in 2024, with an average age of 72.

What services does Dr. Jing Wang Chiang bill to Medicare?

In 2024, Dr. Wang Chiang's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, established patient (99215).

Where did Dr. Jing Wang Chiang go to medical school?

Dr. Wang Chiang graduated from Stanford University School of Medicine in 1997.

What drugs does Dr. Jing Wang Chiang prescribe most?

In 2024 Medicare Part D data, Dr. Wang Chiang's most prescribed drugs by claims were Ondansetron HCl and Prochlorperazine Maleate.

Has Dr. Jing Wang Chiang received payments from drug or device companies?

CMS Open Payments shows $7,838 in general payments to Dr. Wang Chiang from 4 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Jing Wang Chiang been practicing?

Dr. Wang Chiang graduated from medical school in 1997, 29 years ago.

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