Iris Claire Ha, M.D.
Internal Medicine Physician · Chula Vista, CA
Iris Claire Ha, M.D. is an internal medicine physician with a practice address in Chula Vista, California, and NPI 1801244512, issued on Jun 3, 2016. Check the license (California A153330, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Iris Claire Ha
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A153330 CA
Self-reported in NPPES; status is on the state search - Practice location
- 525 3RD Ave, Chula Vista, CA 91910
- Phone
- (669) 233-5266
- Enumerated
- Jun 3, 2016
- Record last updated
- Dec 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20200221002608); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 525 3RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Chambers, M.D.Internal Medicine Physician1740298843
- George Colson, M.D.Occupational Medicine Physician1023028503
- Arthur Corpus, P.A.Physician Assistant1366451627
- Moreno David, P.A.Physician Assistant1588673842
Verify Iris Claire Ha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A153330Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,607 Medicare Part D claims for 339 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium329 claims
- Amlodipine Besylate182 claims
- Losartan Potassium109 claims
- Lisinopril107 claims
- Metformin Hcl97 claims
- Levothyroxine Sodium92 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $191.69
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Sharp Rees-Stealy Medical Group IncChula Vista, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Iris Claire Ha among 17,696 internal medicine physician records in California
Iris Claire Ha, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 19% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2004 among the 11,065 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
81 internal medicine physician records list a practice address in Chula Vista
They are 81 of the 5,329 NPPES records with a practice address in Chula Vista, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Chula Vista → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Andres BustamanteChula Vista, CA 919101720199227
- Michael Chambers, M.D.Chula Vista, CA 919101740298843
- Rocio Flores, MDChula Vista, CA 919101881607067
- Hector Heredia-Martinez, M.D.Chula Vista, CA 919101699882365
- Alejandro Hinojosa-Valencia, MDChula Vista, CA 919101083701411
- Tom-Oliver Klein, MDChula Vista, CA 919101235161787
- Perry Montoya, M.DChula Vista, CA 919101003826256
- Taikeun Park, MDChula Vista, CA 919101831175918
Common questions
What is Iris Claire Ha, M.D.'s NPI number?
Iris Claire Ha, M.D.'s National Provider Identifier (NPI) is 1801244512, issued on Jun 3, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Iris Claire Ha, M.D. located?
The NPPES record lists a practice address at 525 3RD Ave, Chula Vista, CA, 91910. Phone: (669) 233-5266. Providers update this record themselves, so call before visiting.
How can I verify Iris Claire Ha, M.D.'s license?
NPPES lists California license number A153330, 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 Iris Claire Ha, M.D. prescribe under Medicare Part D?
In 2024, Iris Claire Ha, M.D. had 2,607 Medicare Part D claims for 339 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Iris Claire Ha, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.