Calvin Hang, MD, PHD
Student in an Organized Health Care Education/Training Program · Santa Rosa, CA
Calvin Hang, MD, PHD is a student in an organized health care education/training program with a practice address in Santa Rosa, California, and NPI 1578940573, issued on Apr 29, 2015. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Calvin Hang
- Credential
- MD, PHD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 401 Bicentennial Way Ste 190, Santa Rosa, CA 95403
- Phone
- (707) 393-4000
- Enumerated
- Apr 29, 2015
- Record last updated
- Nov 1, 2022
- Medicare enrollment
- Enrolled (PECOS I20221206000740); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2015
- Entity
- Type 1 · individual
Also registered at 401 Bicentennial Way Ste 190
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Atwood, RCP, RRTRegistered Respiratory Therapist1295501294
- Katrina Cambigue, RRT-ACCSPulmonary Rehabilitation Registered Respiratory Therapist1104559012
- Theresa Curran, RCP/RRTRegistered Respiratory Therapist1336603299
- Joop Delahaye, P.T.Physical Therapist1891855458
- Thomas Gray, RRT, RCPPulmonary Diagnostics Registered Respiratory Therapist1851905327
- Kristi Heffelfinger, RTCertified Respiratory Therapist1538934823
Verify Calvin Hang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.1 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024
1,686 Medicare Part D claims for 373 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Metoprolol Succinate190 claims
- Furosemide164 claims
- Metoprolol Tartrate142 claims
- Atorvastatin Calcium124 claims
- Isosorbide Mononitrate Er83 claims
- Spironolactone76 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Rosa, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
124 student in an organized health care education/training program records list a practice address in Santa Rosa
They are 124 of the 6,884 NPPES records with a practice address in Santa Rosa, and 40,652 student in an organized health care education/training program records in California.
All 124 in Santa Rosa → All 40,652 in California → Every provider in Santa Rosa →
Other student in an organized health care education/training program records in California
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- Alexander Aabedi, MDSan Francisco, CA1245971480
- Andre AabediPomona, CA1891582102
- Natalie Aabodi, DMDPomona, CA1851085187
- Dalal Aago, MDEl Cajon, CA1639863103
- Megan Aaronson, MD, MSCRLos Angeles, CA1386272102
- Manas AavulaPomona, CA1972496644
- Joann AbadTulare, CA1639745433
- Gioux Ian Abad Mangulabnan, THERAPISTBerkeley, CA1710442702
- Sharon AbadaSan Francisco, CA1003492844
Common questions
What is Calvin Hang, MD, PHD's NPI number?
Calvin Hang, MD, PHD's National Provider Identifier (NPI) is 1578940573, issued on Apr 29, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Calvin Hang, MD, PHD located?
The NPPES record lists a practice address at 401 Bicentennial Way Ste 190, Santa Rosa, CA, 95403. Phone: (707) 393-4000. Providers update this record themselves, so call before visiting.
How can I verify Calvin Hang, MD, PHD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Calvin Hang, MD, PHD prescribe under Medicare Part D?
In 2024, Calvin Hang, MD, PHD had 1,686 Medicare Part D claims for 373 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.