Dr. Michael Hwang, DO

  • San Jose, CA
  • Internist
NPI1639600562PAC ID2769803972
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
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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. 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 and contact details
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.

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.

See all 3 affiliations for Dr. Hwang

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.

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

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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, CaliforniaPrimaryLicense 20A16857 · taxonomy 207R00000X

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.

Medicare services, 2024475
Medicare patients149
Paid by Medicare$48,284
Procedure codes6

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.

See all procedures by Dr. Hwang

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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.

Medicare patients, 2024149
Average age73
Average risk score3.12
Also on Medicaid81%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes61%
  4. Chronic kidney disease50%
  5. Heart failure44%
  6. Arthritis43%
  7. Ischemic heart disease42%
  8. 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.

Part D claims, 2024218
Drugs named by CMS1
Total drug cost$35
Part D patients57

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.

See all prescribing by Dr. Hwang

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.

  1. Medical schoolLECOM at Seton Hill - Greensburg
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in 2018 - 2026CA State License

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

  1. HMO1
  2. Medicare1
  3. POS1
  4. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael Hwang'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)
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. 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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