Peter I. Cha
- Medicare services, 2024
- 343
- Medicare patients, 2024
- 183
- Part D claims, 2020
- 22
- Publications
- 4
- MIPS score, 2024
- 88
- Practice address
- 7901 Frost St, San Diego, CA 92123
- Practice phone
- Call (858) 939-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Peter Cha'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.
Peter I. Cha is a trauma surgery physician in San Diego, California
Peter Cha practices at Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare.
Peter Cha's NPI, 1487188918, was assigned on April 11, 2017. Peter Cha graduated from David Geffen School of Medicine at UCLA in 2017. Peter Cha holds California license A157016.
- NPI
- 1487188918NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214398676
- NPI enumeration date
- April 11, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 939-3400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Peter I. Cha practices at Sharp Memorial Hospital in San Diego, California
Peter Cha's primary practice is Sharp Memorial Hospital, at 7901 Frost St, San Diego, CA 92123 in San Diego County. The practice phone is (858) 939-3400.
- Sharp Memorial Hospital7901 Frost St, San Diego, CA 92123 · San Diego CountyPhone(858) 939-3400
Source: Dmand AI Affiliation Data
Peter I. Cha is affiliated with 2 sites of care and 3 medical groups
Peter Cha's primary practice is Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare. Peter Cha is also affiliated with Sharp Grossmont Hospital. The medical group on file is Emergency and Acute Care Medical Corporation. Dmand AI also links Peter Cha to 2 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Peter I. Cha's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Peter Cha practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sharp Memorial Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sharp HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Peter I. Cha is one of 121 trauma surgery physicians in California
Trauma surgery is Peter Cha's primary specialty in the NPI Registry, under taxonomy code 2086S0127X. Peter Cha is board certified in surgery by the American Board of Surgery. Peter Cha is licensed in California.
Specialties and state licenses
- Trauma surgery, CaliforniaPrimary
Trauma surgery physicians near Peter Cha
Counts of trauma surgery physicians 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
Peter I. Cha billed Medicare for 343 services in 2024
CMS data shows 343 Medicare services from Peter Cha across 6 procedure codes in 2024, for 183 Medicare patients. Medicare paid $34,565 for them. Every service was in a facility, such as a hospital, rather than an office.
Peter Cha's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 352024: 343880%
Peter Cha compared with the California median for trauma surgery physicians, 2024
- Peter Cha
- California median
- Medicare services
- 343vs 18091% above
- Medicare patients
- 183vs 13239% above
- Part D claims
- 22vs 1729% above
Medians across 113 trauma surgery physicians in California with Dmand AI profiles that report each measure.
Peter Cha'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Peter I. Cha treated 183 Medicare patients in 2024, average age 76
CMS counts 183 Medicare patients who saw Peter Cha in 2024. The largest group is 75 to 84, with 60 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 39% are also on Medicaid. Their average risk score is 1.86, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Peter Cha's median patient age at 57, with 42% women.
Peter Cha's Medicare patients by age, 2024
Peter Cha's Medicare patients by sex, 2024
- Women8848%
- Men9552%
Chronic conditions among Peter Cha's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis57%
- Diabetes42%
- Mood disorders39%
- Chronic kidney disease37%
- Depression37%
- Anxiety36%
Share of Medicare patients with each condition. A patient can have several.
Peter Cha's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Peter I. Cha wrote 22 Medicare Part D claims in 2020
In 2020, Peter Cha wrote 22 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $180 in total drug cost. In 2019, CMS named 19 claims across 1 drug.
Peter Cha's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 192020: 2216%
Drugs named by CMS: 1 in 2020, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Peter I. Cha scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Peter Cha for performance year 2024, reported as part of a group. Peter Cha accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Peter Cha's MIPS scores, performance year 2024
- 88of 100Final score
- 47.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 82of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
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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Peter I. Cha has 4 publications on record
Dmand AI links 4 papers to Peter Cha, published from 2018 to 2021. The most frequent topics are Length of Stay. Peter Cha has published most often in Surg Infect (Larchmt). Peter Cha's most frequent co-authors are Joseph Derek Forrester, MD, Brooke Heidi Gurland, MD and Ronald Minton Jou, MD.
Peter Cha's papers by year, 2018 to 2021
Topics Peter Cha writes about most
- Length of Stay
Peter Cha's most frequent co-authors
- Joseph Derek Forrester, MD4 shared papers
- Brooke Heidi Gurland, MD1 shared paper
- Ronald Minton Jou, MD1 shared paper
Recent publications by Peter Cha
Surg Infect (Larchmt)
Surg Infect (Larchmt)
See who Peter Cha researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Peter Cha works with, so you can find a warm path to the right trauma surgery physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Peter I. Cha received $9,978 in industry payments from 2020 to 2025
CMS Open Payments shows 32 general payments to Peter Cha from 2 drug and device companies from 2020 to 2025. Education make up the largest share, 70% of the total. Intuitive Surgical, Inc. paid the most, $9,843.
General payments to Peter Cha by program year, 2020 to 2025
General payments to Peter Cha by kind, 2020 to 2025
- Education$7,00070%
- Travel and lodging$1,79218%
- Food and beverage$1,18712%
Companies that paid Peter Cha the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Peter I. Cha graduated from David Geffen School of Medicine at UCLA
Peter Cha graduated from David Geffen School of Medicine at UCLA in 2017.
- Medical school
- Board certified in surgery
- Board certified in surgical critical care
Source: Dmand AI Professional Profile Data
Peter I. Cha accepts plans from 14 insurance carriers
Peter Cha is in network with 14 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Peter Cha accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Peter I. Cha'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) |
| 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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Peter I. Cha
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Peter I. Cha's NPI number?
Peter I. Cha's NPI number is 1487188918. It was assigned on April 11, 2017, and it is active in the NPI Registry.
What does Peter I. Cha specialize in?
Peter I. Cha is a trauma surgery physician in San Diego, California. The primary specialty in the NPI Registry is Trauma Surgery Physician (taxonomy code 2086S0127X).
Where does Peter I. Cha practice?
Peter Cha practices at 7901 Frost St, San Diego, CA 92123. Peter Cha's primary practice is Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare. Dmand AI also links Peter Cha to 2 medical groups.
What is Peter I. Cha's office phone number?
The practice phone on file for Peter Cha is (858) 939-3400.
What is Peter I. Cha's medical license number?
Peter Cha holds California license A157016.
Which hospitals is Peter I. Cha affiliated with?
Peter Cha practices at Sharp Memorial Hospital in San Diego, California. Peter Cha is also affiliated with Sharp Grossmont Hospital.
What medical group is Peter I. Cha part of?
Peter Cha is linked to Emergency and Acute Care Medical Corporation. Dmand AI links Peter Cha to 2 more medical groups.
Does Peter I. Cha accept Medicare?
Yes. CMS data shows Peter Cha billed Medicare for 343 services in 2024, and Peter Cha accepts Medicare assignment.
What is Peter I. Cha's MIPS score?
Peter Cha's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Peter I. Cha see?
CMS counts 183 Medicare patients who saw Peter Cha in 2024, with an average age of 76.
Show 9 more questionsShow fewer questions
Is Peter I. Cha board certified?
Yes. Peter Cha is board certified in surgery by the American Board of Surgery.
What services does Peter I. Cha bill to Medicare?
In 2024, Peter Cha's most billed Medicare services were hospital inpatient care (99232), critical care (99291) and hospital inpatient care (99238).
Where did Peter I. Cha go to medical school?
Peter Cha graduated from David Geffen School of Medicine at UCLA in 2017.
What drugs does Peter I. Cha prescribe most?
In 2020 Medicare Part D data, Peter Cha's most prescribed drugs by claims were Oxycodone HCl.
Has Peter I. Cha received payments from drug or device companies?
CMS Open Payments shows $9,978 in general payments to Peter Cha from 2 companies from 2020 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Peter I. Cha been practicing?
Peter Cha graduated from medical school in 2017, 9 years ago.
Does Peter I. Cha do research?
Dmand AI links 4 publications to Peter Cha, published from 2018 to 2021.
Who does Peter I. Cha publish with?
Peter Cha's most frequent co-authors are Joseph Derek Forrester, MD (4 shared papers), Brooke Heidi Gurland, MD (1 shared paper) and Ronald Minton Jou, MD (1 shared paper).
What insurance does Peter I. Cha accept?
Peter Cha is in network with 14 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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