Hana Clark, DO
Family Medicine Physician · Rohnert Park, CA
Hana Clark, DO is a family medicine physician with a practice address in Rohnert Park, California, and NPI 1730479569, issued on Apr 13, 2011. Check the license (California 20A12456, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hana Clark
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A12456 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1801 E Cotati Ave, Rohnert Park, CA 94928
- Phone
- (707) 664-2921
- Enumerated
- Apr 13, 2011
- Entity
- Type 1 · individual
Also registered at 1801 E Cotati Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hilda ArakelianRegistered Nurse1922954304
- Margot Brown, MD, MSFamily Medicine Physician1689092165
- Jennifer Buescher, MSN FNPFamily Nurse Practitioner1467865550
- William Dixon, M.D.Adolescent Medicine (Family Medicine) Physician1851429377
- Mitzi Fogg, R.N., M.S.N., F.N.P.Family Nurse Practitioner1881802148
- Dara Hayden, PSY.D.Mental Health Counselor1548455413
Verify Hana Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A12456Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
41% more Medicare Part D claims than the average family medicine physician in 2024
4,956 Medicare Part D claims for 1,003 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 277 claims were for opioids.
Most prescribed
- Atorvastatin Calcium275 claims
- Losartan Potassium217 claims
- Levothyroxine Sodium197 claims
- Lisinopril181 claims
- Hydrocodone-Acetaminophen141 claims
- Albuterol Sulfate Hfa137 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.
One hospital or facility affiliation
- Permanente Medical Group IncStockton, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
33 family medicine physician records list a Rohnert Park practice address
They are 33 of the 483 NPPES records with a Rohnert Park practice address, and 16,272 family medicine physician records in California.
All 33 in Rohnert Park → All 16,272 in California → Every provider in Rohnert Park →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Hana Clark, DO's NPI number?
Hana Clark, DO's National Provider Identifier (NPI) is 1730479569, issued on Apr 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Hana Clark, DO located?
The NPPES record lists a practice address at 1801 E Cotati Ave, Rohnert Park, CA, 94928. Phone: (707) 664-2921. Providers update this record themselves, so call before visiting.
How can I verify Hana Clark, DO's license?
NPPES lists California license number 20A12456, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hana Clark, DO prescribe under Medicare Part D?
In 2024, Hana Clark, DO had 4,956 Medicare Part D claims for 1,003 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.