Johnny Yi, MD
Obstetrics & Gynecology Physician · Scottsdale, AZ
Johnny Yi, MD is an obstetrics & gynecology physician with a practice address in Scottsdale, Arizona, and NPI 1821243635, issued on Nov 20, 2008. Check the license (Arizona 44256, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Johnny Yi
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 44256 AZ
DR.0052346 CO
7154778-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 13400 E Shea Blvd, Scottsdale, AZ 85259
- Phone
- (480) 301-8000
- Enumerated
- Nov 20, 2008
- Record last updated
- Sep 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110623000112); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2007
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 803 in Arizona → Look up another NPI →
Also registered at 13400 E Shea Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Johnny Yi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 44256Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
296 Medicare Part D claims for 109 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Estradiol67 claims
- Nitrofurantoin Mono-Macro42 claims
- Gemtesa32 claims
- Methenamine Hippurate30 claims
- Trimethoprim24 claims
- Myrbetriq21 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): 78.6 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: $90.49
2 payments; by number, the most common kind was food and beverage; the largest payer was Axonics, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- Mayo Clinic ArizonaScottsdale, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Johnny Yi among 803 obstetrics & gynecology physician records in Arizona
Johnny Yi, MD is one of 803 obstetrics & gynecology physician records with a practice address in Arizona. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 37% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2007 · median 2005 among the 477 with a school on file
- Record last updated2020 · 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 207V00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Arizona
There are 803 obstetrics & gynecology physician records in Arizona.
All 803 in Arizona → Every provider in Scottsdale → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Nora Bassiouni, M.D.Scottsdale, AZ 852591568795391
- Kathryn Field, MDScottsdale, AZ 852591699415869
- Trina MansourScottsdale, AZ 852591811428774
- Clarissa Ribeiro Diniz, MDScottsdale, AZ 852591770948523
- Lindsay Allen, M.D.Scottsdale, AZ 852581700144011
- Charles Bollmann, MDScottsdale, AZ 852581508069691
- Tara Brodkin, MDScottsdale, AZ 852601811960024
- Julie Castilla, M.D.Scottsdale, AZ 852581417018938
Common questions
What is Johnny Yi, MD's NPI number?
Johnny Yi, MD's National Provider Identifier (NPI) is 1821243635, issued on Nov 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Johnny Yi, MD located?
The NPPES record lists a practice address at 13400 E Shea Blvd, Scottsdale, AZ, 85259. Phone: (480) 301-8000. Providers update this record themselves, so call before visiting.
How can I verify Johnny Yi, MD's license?
NPPES lists Arizona license number 44256, 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 Johnny Yi, MD prescribe under Medicare Part D?
In 2024, Johnny Yi, MD had 296 Medicare Part D claims for 109 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Johnny Yi, MD's MIPS final score?
The 2023 MIPS final score is 78.6 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.