Adam Hy, D.O.
Family Medicine Physician · Rowland Heights, CA
Adam Hy, D.O. is a family medicine physician with a practice address in Rowland Heights, California, and NPI 1982640413, issued on Jun 22, 2006. Check the license (California 20A7891, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Adam Hy
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A7891 CA
Self-reported in NPPES; status is on the state search - Practice location
- 18957 Colima RD, Rowland Heights, CA 91748
- Phone
- (626) 592-5787
- Enumerated
- Jun 22, 2006
- Record last updated
- Nov 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 00AX78910 CA
- Medicare enrollment
- Enrolled (PECOS I20050726000521); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Adam Hy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A7891Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average family medicine physician in 2024
3,035 Medicare Part D claims for 187 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 114 claims were for opioids.
Most prescribed
- Atorvastatin Calcium193 claims
- Metformin Hcl180 claims
- Amlodipine Besylate177 claims
- Simvastatin119 claims
- Losartan Potassium118 claims
- Lisinopril99 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.
Industry payments in 2024: $498.41
10 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Adam Hy among 17,133 family medicine physician records in California
Adam Hy, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2005 among the 10,652 with a school on file
- Record last updated2010 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 family medicine physician records list a practice address in Rowland Heights
They are 10 of the 816 NPPES records with a practice address in Rowland Heights, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Rowland Heights → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sangjun Byeon, MDRowland Heights, CA 917481659574945
- Yuan-Fei Chang, M.D.City Of Industry, CA 917481194739128
- Angela Cherlin, M.D.Rowland Heights, CA 917481508890567
- Lei Ding, M.DCity Of Industry, CA 917481811155500
- Sunil Dissanayake, M.D.Rowland Heights, CA 917481942290093
- Xavier Hsieh, DOCity Of Industry, CA 917481073713616
- Joon Kang, MDRowland Heights, CA 917481811083165
- Chris Lee, M.D.Rowland Heights, CA 917481225008238
Common questions
What is Adam Hy, D.O.'s NPI number?
Adam Hy, D.O.'s National Provider Identifier (NPI) is 1982640413, issued on Jun 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Adam Hy, D.O. located?
The NPPES record lists a practice address at 18957 Colima RD, Rowland Heights, CA, 91748. Phone: (626) 592-5787. Providers update this record themselves, so call before visiting.
How can I verify Adam Hy, D.O.'s license?
NPPES lists California license number 20A7891, 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 Adam Hy, D.O. prescribe under Medicare Part D?
In 2024, Adam Hy, D.O. had 3,035 Medicare Part D claims for 187 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.