John S. Chorba, M.D.
Cardiovascular Disease Physician · Tucson, AZ
John S. Chorba, M.D. is a cardiovascular disease physician with a practice address in Tucson, Arizona, and NPI 1538364138, issued on Jun 15, 2007. Check the license (Arizona 78763, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- John S. Chorba
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 78763 AZ
A112220 CA
L-232058 MA
Self-reported in NPPES; status is on the state search - Practice location
- 6261 N LA Cholla Blvd Ste 277, Tucson, AZ 85741
- Phone
- (520) 694-3278
- Enumerated
- Jun 15, 2007
- Record last updated
- Feb 13, 2026
- Fax
- (520) 505-2476
- Medicare enrollment
- Enrolled (PECOS I20140130000887); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 488 in Arizona → Look up another NPI →
Also registered at 6261 N LA Cholla Blvd Ste 277
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John S. Chorba in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 78763Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
108 Medicare Part D claims for 21 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Atorvastatin Calcium12 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): 91.9 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).
Bills Medicare through 4 group practices
- Alameda Health SystemSan Leandro, CA
- Banner-University Medical GroupTucson, AZ
- Sonora Community HospitalSonora, CA
- University OF California Sfgh Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John S. Chorba among 488 cardiovascular disease physician records in Arizona
John S. Chorba, M.D. is one of 488 cardiovascular disease physician records with a practice address in Arizona. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 58% of them.
- NPI issued2007 · 58% of these records are older, 33% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2007 · median 1998 among the 329 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Arizona
There are 488 cardiovascular disease physician records in Arizona.
All 488 in Arizona → Every provider in Tucson → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Imran Ata, MDTucson, AZ 857411366557563
- Elizabeth Attig, MDTucson, AZ 857411548263783
- Melissa Dakkak, DOTucson, AZ 857411932543774
- Tedd Goldfinger, D.O.Tucson, AZ 857411164425252
- Gregory Koshkarian, MDTucson, AZ 857411164425096
- Anup Solsi, MDTucson, AZ 857411245895499
- Hoang Thai, M.D.Tucson, AZ 857411811924640
- John Boulet, MDTucson, AZ 857451053399881
Common questions
What is John S. Chorba, M.D.'s NPI number?
John S. Chorba, M.D.'s National Provider Identifier (NPI) is 1538364138, issued on Jun 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John S. Chorba, M.D. located?
The NPPES record lists a practice address at 6261 N LA Cholla Blvd Ste 277, Tucson, AZ, 85741. Phone: (520) 694-3278. Providers update this record themselves, so call before visiting.
How can I verify John S. Chorba, M.D.'s license?
NPPES lists Arizona license number 78763, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John S. Chorba, M.D. prescribe under Medicare Part D?
In 2024, John S. Chorba, M.D. had 108 Medicare Part D claims for 21 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is John S. Chorba, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.9 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.