HysterectomyIntraoperative ComplicationsLength of Stay
Dr. Johnny Yi, MD
NPI1821243635PAC ID7416135371
- Medicare services, 2024
- 2,673
- Medicare patients, 2024
- 300
- Part D claims, 2024
- 296
- Publications
- 42
- Clinical trials
- 1
- Practice address
- 13400 East Shea Boulevard, Scottsdale, AZ 85259
- Practice phone
- Call (480) 342-4201
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mayo Clinic Ambulatory Surgery Center - Scottsdale
Surgery Center - Medicare-Certified · Scottsdale, Arizona
Find Dr. Yi's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Johnny Yi is an OB-GYN in Scottsdale, Arizona
Dr. Yi practices at Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona.
Dr. Yi's NPI, 1821243635, was assigned on November 20, 2008. Dr. Yi graduated from Medical College of Wisconsin in 2007. Dr. Yi holds Arizona license 44256.
NPI and contact details
- NPI
- 1821243635NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416135371
- NPI enumeration date
- November 20, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (480) 342-4201
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Johnny Yi practices at Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona
Dr. Yi's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale, at 13400 East Shea Boulevard, Scottsdale, AZ 85259. The practice phone is (480) 342-4201.
- Mayo Clinic Ambulatory Surgery Center - Scottsdale13400 East Shea Boulevard, Scottsdale, AZ 85259Phone(480) 342-4201
Source: Dmand AI Affiliation Data
Dr. Johnny Yi is affiliated with 2 sites of care and 1 medical group
Dr. Yi's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona. Dr. Yi is also affiliated with Mayo Clinic Hospital - Phoenix. The medical group on file is Mayo Clinic Arizona. Dr. Yi's employer is on file too: a surgery center (asc).
Mayo Clinic Ambulatory Surgery Center - ScottsdalePrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Johnny Yi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yi practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Ambulatory Surgery Center - Scottsdale | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Johnny Yi is one of 654 OB-GYNs in Arizona
Obstetrics and gynecology is Dr. Yi's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dmand AI has Dr. Yi's licenses on file in 3 states: Arizona, Colorado and Utah.
Specialties and state licenses
- Obstetrics and gynecology, ArizonaPrimary
- Colorado license
- Utah license
OB-GYNs near Dr. Yi
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Johnny Yi billed Medicare for 2,673 services in 2024
CMS data shows 2,673 Medicare services from Dr. Yi across 16 procedure codes in 2024, for 300 Medicare patients. Medicare paid $69,425 for them.
Medicare services, 20242,673
Medicare patients300
Paid by Medicare$69,425
Procedure codes16
Dr. Yi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 2,7002024: 2,15020%
- Office and hospital visits
- 2023: 2652024: 265No change
- Surgery
- 2023: 2882024: 25810%
Where Dr. Yi's Medicare services took place, 2024
- In an office2,63198%
- In a facility422%
Dr. Yi compared with the Arizona median for OB-GYNs, 2024
- Dr. Yi
- Arizona median
- Medicare services
- 2,673vs 4559.4 times
- Medicare patients
- 300vs 407.5 times
- Part D claims
- 232vs 268.9 times
Medians across 532 OB-GYNs in Arizona with Dmand AI profiles that report each measure.
Dr. Yi's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Yi?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yi and other OB-GYNs in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Johnny Yi treated 300 Medicare patients in 2024, average age 74
CMS counts 300 Medicare patients who saw Dr. Yi in 2024. The largest group is 65 to 74, with 153 patients. 75% of them have high cholesterol, and 58% have high blood pressure. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Yi's median patient age at 66, with 97% women.
Medicare patients, 2024300
Average age74
Average risk score1.07
Dr. Yi's Medicare patients by age, 2024
Chronic conditions among Dr. Yi's Medicare patients, 2024
- High cholesterol75%
- High blood pressure58%
- Arthritis53%
- Anxiety32%
- Osteoporosis30%
- Mood disorders26%
- Depression24%
- Cancer20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women97%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Johnny Yi wrote 296 Medicare Part D claims in 2024
In 2024, Dr. Yi wrote 296 Medicare Part D claims for 109 patients. 69% of them were for generic drugs. CMS names the drug for 232 of them, across 7 drugs with 11 or more claims each, at $65,695 in total drug cost. In 2023, CMS named 188 claims across 6 drugs.
Part D claims, 2024296
Drugs named by CMS7
Total drug cost$65,695
Part D patients109
Dr. Yi's Part D claims by kind of drug, 2024
- Generic205 claims69%
- Brand-name91 claims31%
Dr. Yi's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Yi's Part D claims, 2024
- Antibiotics34%100 of 296 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1882024: 23223%
Drugs named by CMS: 7 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Johnny Yi scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Yi for performance year 2024, reported as part of a group. Dr. Yi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Yi as offering telehealth. CMS counts 12 procedures of removal of the uterus by Dr. Yi, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Yi's MIPS scores, performance year 2024
- 86of 100Final score
- 78.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Yi ranks in Medicare procedure volume
- Removal of the uterus
- 86th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Johnny Yi has 42 publications on record
Dmand AI links 42 papers to Dr. Yi, published from 2013 to 2025. 2020 was the busiest year, with 10. The most frequent topics are Postoperative Complications, Robotic Surgical Procedures and Gynecologic Surgical Procedures. Dr. Yi has published most often in J Minim Invasive Gynecol. Dr. Yi's most frequent co-authors are Megan Nicole Wasson, DO, Javier F. Magrina, MD and Alanna M. Rebecca, MD.
Papers42
Years published2013 to 2025
Dr. Yi's papers by year, 2013 to 2025
Topics Dr. Yi writes about most
- Postoperative Complications
- Robotic Surgical Procedures
- Gynecologic Surgical Procedures
- Hysterectomy
- Vagina
- Pelvic Organ Prolapse
- Operative Time
- Endometriosis
Dr. Yi's most frequent co-authors
- Megan Nicole Wasson, DO9 shared papers
- Javier F. Magrina, MD6 shared papers
- Alanna M. Rebecca, MD5 shared papers
Recent publications by Dr. Yi
DyspareuniaLasers, GasLaser Therapy
J Minim Invasive Gynecol
Feasibility StudiesGynecologic Surgical ProceduresLaparoscopy
Adipose TissueFibroblastsGene Expression Profiling
See who Dr. Yi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yi works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Johnny Yi has worked on 1 clinical trial
Dmand AI links Dr. Yi to 1 clinical trial.
Recent clinical trials with Dr. Yi
Patient-Directed Postoperative Opioid Prescribing for Gynecologic Surgery (opens in a new tab)
CompletedPhase 2/3
Patient directed opioid prescribingPhysician directed opioid prescribing
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Johnny Yi received $6,685 in industry payments from 2017 to 2025
CMS Open Payments shows 28 general payments to Dr. Yi from 10 drug and device companies from 2017 to 2025. Speaker and faculty fees make up the largest share, 67% of the total. Intuitive Surgical, Inc. paid the most, $5,767.
General payments to Dr. Yi by program year, 2017 to 2025
General payments to Dr. Yi by kind, 2017 to 2025
$6.7Kin total
- Speaker and faculty fees$4,50067%
- Food and beverage$1,10316%
- Travel and lodging$1,08216%
Companies that paid Dr. Yi the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Johnny Yi graduated from Medical College of Wisconsin
Dr. Yi graduated from Medical College of Wisconsin in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Johnny Yi's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Johnny Yi
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Johnny Yi's NPI number?
Dr. Johnny Yi's NPI number is 1821243635. It was assigned on November 20, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Johnny Yi?
Dr. Johnny Yi is an OB-GYN in Scottsdale, Arizona. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Johnny Yi practice?
Dr. Yi practices at 13400 East Shea Boulevard, Scottsdale, AZ 85259. Dr. Yi's primary practice is Mayo Clinic Ambulatory Surgery Center - Scottsdale in Scottsdale, Arizona.
What is Dr. Johnny Yi's office phone number?
The practice phone on file for Dr. Yi is (480) 342-4201.
What is Dr. Johnny Yi's medical license number?
Dr. Yi holds Arizona license 44256, one of the licenses on file in 3 states.
Which states has Dr. Johnny Yi been licensed in?
Dmand AI has state licenses on file for Dr. Yi in Arizona, Colorado and Utah.
Which hospitals is Dr. Johnny Yi affiliated with?
Dr. Yi is affiliated with Mayo Clinic Hospital - Phoenix.
What medical group is Dr. Johnny Yi part of?
Dr. Yi is linked to Mayo Clinic Arizona.
Does Dr. Johnny Yi accept Medicare?
Yes. CMS data shows Dr. Yi billed Medicare for 2,673 services in 2024, and Dr. Yi accepts Medicare assignment.
Does Dr. Johnny Yi offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Yi as offering telehealth services.
Show 9 more questionsShow fewer questions
What is Dr. Johnny Yi's MIPS score?
Dr. Yi's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Johnny Yi see?
CMS counts 300 Medicare patients who saw Dr. Yi in 2024, with an average age of 74.
What services does Dr. Johnny Yi bill to Medicare?
In 2024, Dr. Yi's most billed Medicare services were injected or infused drug (J0585), surgery: urinary system (51798) and office visit, new patient (99204).
Where did Dr. Johnny Yi go to medical school?
Dr. Yi graduated from Medical College of Wisconsin in 2007.
What drugs does Dr. Johnny Yi prescribe most?
In 2024 Medicare Part D data, Dr. Yi's most prescribed drugs by claims were Estradiol, Nitrofurantoin Mono-Macro and Gemtesa.
Has Dr. Johnny Yi received payments from drug or device companies?
CMS Open Payments shows $6,685 in general payments to Dr. Yi from 10 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Johnny Yi been practicing?
Dr. Yi graduated from medical school in 2007, 19 years ago.
Does Dr. Johnny Yi do research?
Dmand AI links 42 publications to Dr. Yi, published from 2013 to 2025. Dr. Yi has worked on 1 clinical trial.
Who does Dr. Johnny Yi publish with?
Dr. Yi's most frequent co-authors are Megan Nicole Wasson, DO (9 shared papers), Javier F. Magrina, MD (6 shared papers) and Alanna M. Rebecca, MD (5 shared papers).
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