Andrew Y. Hsing, M.D.
Pulmonary Disease Physician · Encinitas, CA
Andrew Y. Hsing, M.D. is a pulmonary disease physician with a practice address in Encinitas, California, and NPI 1790769131, issued on Nov 30, 2005. Check the license (California A127271, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Andrew Y. Hsing
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A127271 CA
Self-reported in NPPES; status is on the state search - Practice location
- 320 Santa FE Dr Ste 107-C, Encinitas, CA 92024
- Phone
- (760) 230-8994
- Enumerated
- Nov 30, 2005
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140905000972); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 320 Santa FE Dr Ste 107-C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Shin, MDPulmonary Disease Physician1023317286
Verify Andrew Y. Hsing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A127271Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
700 Medicare Part D claims for 140 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Trelegy Ellipta78 claims
- Albuterol Sulfate Hfa67 claims
- Montelukast Sodium59 claims
- Anoro Ellipta50 claims
- Fluticasone Propionate47 claims
- Wixela Inhub47 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: $2,697.04
96 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 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.
Bills Medicare through one group practice
- Scott A Eisman MD IncVista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew Y. Hsing among 1,443 pulmonary disease physician records in California
Andrew Y. Hsing, M.D. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2003 · median 2002 among the 1,061 with a school on file
- Record last updated2018 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Encinitas → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Dennis Amundson, DOEncinitas, CA 920241477524403
- Scott Eisman, M.D.Encinitas, CA 920241275511420
- Kevin Fussell, M.D.Encinitas, CA 920241164404901
- William Hooper, MDEncinitas, CA 920241720052988
- Alisha Kabadi, MDEncinitas, CA 920241356838957
- Michael Miller, MDEncinitas, CA 920241790342699
- Robert Savage, M.D.Encinitas, CA 920241881694891
- Kevin Shaw, M.DEncinitas, CA 920241154520864
Common questions
What is Andrew Y. Hsing, M.D.'s NPI number?
Andrew Y. Hsing, M.D.'s National Provider Identifier (NPI) is 1790769131, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Andrew Y. Hsing, M.D. located?
The NPPES record lists a practice address at 320 Santa FE Dr Ste 107-C, Encinitas, CA, 92024. Phone: (760) 230-8994. Providers update this record themselves, so call before visiting.
How can I verify Andrew Y. Hsing, M.D.'s license?
NPPES lists California license number A127271, 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 Andrew Y. Hsing, M.D. prescribe under Medicare Part D?
In 2024, Andrew Y. Hsing, M.D. had 700 Medicare Part D claims for 140 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.