Dr. Michael Hwang, DO
- Medicare services, 2024
- 475
- Medicare patients, 2024
- 149
- Part D claims, 2024
- 218
- 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
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hwang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael Hwang is an internist in San Jose, California
Dr. Hwang practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.
Dr. Hwang's NPI, 1639600562, was assigned on March 22, 2017. Dr. Hwang graduated from LECOM at Seton Hill - Greensburg in 2017. Dr. Hwang holds California license 20A16857.
- NPI
- 1639600562NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769803972
- NPI enumeration date
- March 22, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Hwang practices at Santa Clara Valley Medical Center in San Jose, California
Dr. Hwang'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.
- Santa Clara Valley Medical Center751 South Bascom Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Dr. Michael Hwang is affiliated with 2 sites of care and 1 medical group
Dr. Hwang'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. Hwang to 1 more community health center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Hwang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hwang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Valley Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Hwang is one of 16,751 internists in California
Internal medicine is Dr. Hwang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hwang is board certified in internal medicine by the American Board of Internal Medicine. Dr. Hwang is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute diabetes, acute respiratory failure, electrolyte disorders, heart attack, kidney failure, non-surgical back problems, pneumonia and respiratory infection and sepsis among the conditions Dr. Hwang treats.
Internists near Dr. Hwang
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. Michael Hwang billed Medicare for 475 services in 2024
CMS data shows 475 Medicare services from Dr. Hwang across 6 procedure codes in 2024, for 149 Medicare patients. Medicare paid $48,284 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hwang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4972024: 4754%
Dr. Hwang compared with the California median for internists, 2024
- Dr. Hwang
- California median
- Medicare services
- 475vs 36132% above
- Medicare patients
- 149vs 151Close to median
- Part D claims
- 11vs 42197% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Hwang'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Hwang treated 149 Medicare patients in 2024, average age 73
CMS counts 149 Medicare patients who saw Dr. Hwang in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 81% are also on Medicaid. Their average risk score is 3.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hwang's median patient age at 72, with 33% women.
Dr. Hwang's Medicare patients by age, 2024
Dr. Hwang's Medicare patients by sex, 2024
- Women6242%
- Men8758%
Chronic conditions among Dr. Hwang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes61%
- Chronic kidney disease50%
- Heart failure44%
- Arthritis43%
- Ischemic heart disease42%
- Mood disorders42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hwang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women33%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Hwang wrote 218 Medicare Part D claims in 2024
In 2024, Dr. Hwang wrote 218 Medicare Part D claims for 57 patients. 74% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $35 in total drug cost. In 2023, CMS named 25 claims across 2 drugs.
Dr. Hwang's Part D claims by kind of drug, 2024
- Generic162 claims74%
- Brand-name and other56 claims26%
Dr. Hwang'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. Hwang's Part D claims, 2024
- Antibiotics14%31 of 218 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: 252024: 1156%
Drugs named by CMS: 1 in 2024, 2 in 2023.
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. Michael Hwang 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. Hwang for performance year 2024, reported as part of a group. Dr. Hwang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hwang'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.
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. Michael Hwang graduated from LECOM at Seton Hill - Greensburg
Dr. Hwang graduated from LECOM at Seton Hill - Greensburg in 2017.
- Medical school
- Board certified in internal medicine
- Board certified in 2018 - 2026
Source: Dmand AI Professional Profile Data
Dr. Michael Hwang accepts plans from 2 insurance carriers
Dr. Hwang is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- CMS Medicare
Plan types Dr. Hwang accepts, by number of carriers
- HMO1
- Medicare1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael Hwang'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Michael Hwang
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. Michael Hwang's NPI number?
Dr. Michael Hwang's NPI number is 1639600562. It was assigned on March 22, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Hwang?
Dr. Michael Hwang is an internist in San Jose, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael Hwang practice?
Dr. Hwang practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Hwang'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. Hwang to 1 community health center.
What is Dr. Michael Hwang's office phone number?
The practice phone on file for Dr. Hwang is (408) 885-5000.
What is Dr. Michael Hwang's medical license number?
Dr. Hwang holds California license 20A16857.
Which hospitals is Dr. Michael Hwang affiliated with?
Dr. Hwang practices at Santa Clara Valley Medical Center in San Jose, California.
What medical group is Dr. Michael Hwang part of?
Dr. Hwang is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.
Does Dr. Michael Hwang accept Medicare?
Yes. CMS data shows Dr. Hwang billed Medicare for 475 services in 2024, and Dr. Hwang accepts Medicare assignment.
What is Dr. Michael Hwang's MIPS score?
Dr. Hwang's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
How many Medicare patients does Dr. Michael Hwang see?
CMS counts 149 Medicare patients who saw Dr. Hwang in 2024, with an average age of 73.
Show 6 more questionsShow fewer questions
Is Dr. Michael Hwang board certified?
Yes. Dr. Hwang is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Michael Hwang bill to Medicare?
In 2024, Dr. Hwang's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).
Where did Dr. Michael Hwang go to medical school?
Dr. Hwang graduated from LECOM at Seton Hill - Greensburg in 2017.
What drugs does Dr. Michael Hwang prescribe most?
In 2024 Medicare Part D data, Dr. Hwang's most prescribed drugs by claims were Atorvastatin Calcium.
How long has Dr. Michael Hwang been practicing?
Dr. Hwang graduated from medical school in 2017, 9 years ago.
What insurance does Dr. Michael Hwang accept?
Dr. Hwang is in network with 2 carriers, including Blue Cross Blue Shield of Michigan and CMS Medicare. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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