Diane Y. Jang
- Medicare services, 2024
- 28
- Medicare patients, 2024
- 34
- Part D claims, 2024
- 53
- Industry payments
- $125
- Medical groups
- 2
- Practice address
- 1411 Berryessa Rd, San Jose, CA 95133
- Practice phone
- Call (510) 686-3621
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Carbon Health Medical Group of California PC
San Jose, California
Find Diane Jang's professional email, personal email and mobile number
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Diane Y. Jang is a physician assistant in San Jose, California
Diane Jang practices at Carbon Health Medical Group of California PC in San Jose, California.
Diane Jang's NPI, 1093270944, was assigned on February 5, 2019. Diane Jang graduated from Baylor College of Medicine in 2018. Diane Jang holds Texas license PA12596.
- NPI
- 1093270944NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941541627
- NPI enumeration date
- February 5, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 686-3621
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Diane Y. Jang practices at Carbon Health Medical Group of California PC in San Jose, California
Diane Jang's primary practice is Carbon Health Medical Group of California PC, at 1411 Berryessa Rd, San Jose, CA 95133 in Santa Clara County. The practice phone is (510) 686-3621.
- Carbon Health Medical Group of California PC1411 Berryessa Rd, San Jose, CA 95133 · Santa Clara CountyPhone(510) 686-3621
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Diane Y. Jang is affiliated with 1 site of care and 2 medical groups
Diane Jang's primary practice is Carbon Health Medical Group of California PC in San Jose, California. The medical group on file is Carbon Health. Dmand AI also links Diane Jang to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Diane Y. Jang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Diane Jang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Carbon Health Medical Group of California PC | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Diane Y. Jang is one of 11,482 physician assistants in California
Physician assistant is Diane Jang's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Diane Jang is licensed in Texas.
Specialties and state licenses
- Physician assistant, TexasPrimary
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, bronchitis, conjunctivitis, contact dermatitis, ear infection, minor injury to a limb and upper respiratory infection (URI) among the conditions Diane Jang treats.
Physician assistants near Diane Jang
Counts of physician assistants 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
Diane Y. Jang billed Medicare for 28 services in 2024
CMS data shows 28 Medicare services from Diane Jang across 2 procedure codes in 2024, all of them office visits, for 34 Medicare patients. Medicare paid $2,309 for them. Every service was in an office.
Diane Jang compared with the California median for physician assistants, 2024
- Diane Jang
- California median
- Medicare services
- 28vs 20486% below
- Medicare patients
- 34vs 10568% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Diane Jang'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Diane Jang and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Diane Y. Jang treated 34 Medicare patients in 2024, average age 74
CMS counts 34 Medicare patients who saw Diane Jang in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 68% have high cholesterol. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Diane Jang's median patient age at 60, with 67% women.
Diane Jang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Diane Jang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Arthritis32%
Share of Medicare patients with each condition. A patient can have several.
Diane Jang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Diane Y. Jang wrote 53 Medicare Part D claims in 2024
In 2024, Diane Jang wrote 53 Medicare Part D claims for 40 patients. 81% of them were for generic drugs.
Diane Jang's Part D claims by kind of drug, 2024
- Generic43 claims81%
- Brand-name and other10 claims19%
Drug classes CMS tracks in Diane Jang's Part D claims, 2024
- Antibiotics58%31 of 53 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Diane Y. Jang takes part in Medicare
Diane Jang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Diane Y. Jang received $125 in industry payments in 2025
CMS Open Payments shows 1 general payment to Diane Jang from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Heron Therapeutics, Inc. paid the most, $125.
Companies that paid Diane Jang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Diane Y. Jang graduated from Baylor College of Medicine
Diane Jang graduated from Baylor College of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Diane Y. Jang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Diane Y. Jang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Diane Y. Jang's NPI number?
Diane Y. Jang's NPI number is 1093270944. It was assigned on February 5, 2019, and it is active in the NPI Registry.
What does Diane Y. Jang specialize in?
Diane Y. Jang is a physician assistant in San Jose, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Diane Y. Jang practice?
Diane Jang practices at 1411 Berryessa Rd, San Jose, CA 95133. Diane Jang's primary practice is Carbon Health Medical Group of California PC in San Jose, California. Dmand AI also links Diane Jang to 1 medical group.
What is Diane Y. Jang's office phone number?
The practice phone on file for Diane Jang is (510) 686-3621.
What is Diane Y. Jang's medical license number?
Diane Jang holds Texas license PA12596.
What medical group is Diane Y. Jang part of?
Diane Jang is linked to Carbon Health. Dmand AI links Diane Jang to 1 more medical group.
Does Diane Y. Jang accept Medicare?
Yes. CMS data shows Diane Jang billed Medicare for 28 services in 2024, and Diane Jang accepts Medicare assignment.
How many Medicare patients does Diane Y. Jang see?
CMS counts 34 Medicare patients who saw Diane Jang in 2024, with an average age of 74.
What services does Diane Y. Jang bill to Medicare?
In 2024, Diane Jang's most billed Medicare services were office visit, established patient (99214) and office visit, new patient (99204).
Where did Diane Y. Jang go to medical school?
Diane Jang graduated from Baylor College of Medicine in 2018.
Has Diane Y. Jang received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Diane Jang from 1 company from 2025 to 2025. The largest total came from Heron Therapeutics, Inc.
How long has Diane Y. Jang been practicing?
Diane Jang graduated from medical school in 2018, 8 years ago.
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