Dr. Joyce Pyun Cho, MD
- Medicare services, 2024
- 363
- Medicare patients, 2024
- 148
- Part D claims, 2024
- 151
- Hospital affiliations
- 3
- Industry payments
- $112
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Pyun Cho'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. Joyce Pyun Cho is an internist in Stanford, California
Dr. Pyun Cho practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Pyun Cho's NPI, 1083780423, was assigned on November 28, 2006. Dr. Pyun Cho graduated from University of California, Geffen School of Medicine in 1997. Dr. Pyun Cho holds California license A68083.
- NPI
- 1083780423NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769444108
- NPI enumeration date
- November 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Joyce Pyun Cho practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Pyun Cho's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Joyce Pyun Cho is affiliated with 4 sites of care and 1 medical group
Dr. Pyun Cho's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Pyun Cho is also affiliated with Washington Health. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Dr. Pyun Cho to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joyce Pyun Cho's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pyun Cho practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Joyce Pyun Cho is one of 16,751 internists in California
Internal medicine is Dr. Pyun Cho's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Pyun Cho is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Pyun Cho
Counts of internists 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. Joyce Pyun Cho billed Medicare for 363 services in 2024
CMS data shows 363 Medicare services from Dr. Pyun Cho across 4 procedure codes in 2024, for 148 Medicare patients. Medicare paid $37,482 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Pyun Cho's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4192024: 36313%
Dr. Pyun Cho compared with the California median for internists, 2024
- Dr. Pyun Cho
- California median
- Medicare services
- 363vs 361Close to median
- Medicare patients
- 148vs 151Close to median
- Part D claims
- 23vs 42195% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Pyun Cho'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Pyun Cho and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Joyce Pyun Cho treated 148 Medicare patients in 2024, average age 81
CMS counts 148 Medicare patients who saw Dr. Pyun Cho in 2024. The largest group is 75 to 84, with 61 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.26, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Pyun Cho's median patient age at 78, with 54% women.
Dr. Pyun Cho's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Pyun Cho's Medicare patients by sex, 2024
- Women8557%
- Men6343%
Chronic conditions among Dr. Pyun Cho's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Ischemic heart disease51%
- Atrial fibrillation45%
- Chronic kidney disease43%
- Mood disorders43%
- Heart failure42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Pyun Cho's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Joyce Pyun Cho wrote 151 Medicare Part D claims in 2024
In 2024, Dr. Pyun Cho wrote 151 Medicare Part D claims for 57 patients. 79% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $12,046 in total drug cost. In 2023, CMS named 26 claims across 2 drugs.
Dr. Pyun Cho's Part D claims by kind of drug, 2024
- Generic119 claims79%
- Brand-name and other32 claims21%
Dr. Pyun Cho'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. Pyun Cho's Part D claims, 2024
- Antibiotics16%24 of 151 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: 262024: 2312%
Drugs named by CMS: 2 in 2024, 2 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
How Dr. Joyce Pyun Cho takes part in Medicare
Dr. Pyun Cho accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Joyce Pyun Cho received $112 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Pyun Cho from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $112.
Companies that paid Dr. Pyun Cho the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Joyce Pyun Cho graduated from University of California, Geffen School of Medicine
Dr. Pyun Cho graduated from University of California, Geffen School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Joyce Pyun Cho'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) |
| 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. Joyce Pyun Cho
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. Joyce Pyun Cho's NPI number?
Dr. Joyce Pyun Cho's NPI number is 1083780423. It was assigned on November 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Joyce Pyun Cho?
Dr. Joyce Pyun Cho is an internist in Stanford, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Joyce Pyun Cho practice?
Dr. Pyun Cho practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Pyun Cho's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Pyun Cho to 1 hospital and 1 group practice or clinic.
What is Dr. Joyce Pyun Cho's office phone number?
The practice phone on file for Dr. Pyun Cho is (650) 723-4000.
What is Dr. Joyce Pyun Cho's medical license number?
Dr. Pyun Cho holds California license A68083.
Which hospitals is Dr. Joyce Pyun Cho affiliated with?
Dr. Pyun Cho practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dr. Pyun Cho is also affiliated with Washington Health. Dmand AI links Dr. Pyun Cho to 1 more hospital.
What medical group is Dr. Joyce Pyun Cho part of?
Dr. Pyun Cho is linked to Palo Alto Foundation Medical Group.
Does Dr. Joyce Pyun Cho accept Medicare?
Yes. CMS data shows Dr. Pyun Cho billed Medicare for 363 services in 2024, and Dr. Pyun Cho accepts Medicare assignment.
How many Medicare patients does Dr. Joyce Pyun Cho see?
CMS counts 148 Medicare patients who saw Dr. Pyun Cho in 2024, with an average age of 81.
What services does Dr. Joyce Pyun Cho bill to Medicare?
In 2024, Dr. Pyun Cho's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99222).
Show 4 more questionsShow fewer questions
Where did Dr. Joyce Pyun Cho go to medical school?
Dr. Pyun Cho graduated from University of California, Geffen School of Medicine in 1997.
What drugs does Dr. Joyce Pyun Cho prescribe most?
In 2024 Medicare Part D data, Dr. Pyun Cho's most prescribed drugs by claims were Eliquis and Metoprolol Tartrate.
Has Dr. Joyce Pyun Cho received payments from drug or device companies?
CMS Open Payments shows $112 in general payments to Dr. Pyun Cho from 1 company from 2024 to 2024. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Joyce Pyun Cho been practicing?
Dr. Pyun Cho graduated from medical school in 1997, 29 years ago.
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