Peter I. Cha

  • San Diego, CA
  • Trauma surgery physician
NPI1487188918PAC ID7214398676
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
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Personal email
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Mobile number
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Social profiles

Primary practice

Sharp Memorial Hospital

Hospital · San Diego, California

See all 5 affiliations

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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 and contact details
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
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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.

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.

See all 5 affiliations for Peter Cha

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.

EHR by site
SiteEHR vendor and product
Sharp Memorial HospitalAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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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, CaliforniaPrimaryLicense A157016 · 2018 to 2026 · taxonomy 2086S0127X

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.

Medicare services, 2024343
Medicare patients183
Paid by Medicare$34,565
Procedure codes6

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.

See all procedures by Peter Cha

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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.

Medicare patients, 2024183
Average age76
Average risk score1.86
Also on Medicaid39%

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

  1. High blood pressure75%
  2. High cholesterol74%
  3. Arthritis57%
  4. Diabetes42%
  5. Mood disorders39%
  6. Chronic kidney disease37%
  7. Depression37%
  8. 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.

Part D claims, 202022
Drugs named by CMS1
Total drug cost$180

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.

See all prescribing by Peter Cha

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.

Papers4
Years published2018 to 2021

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

Recent publications by Peter Cha

See all 4 publications and co-authors

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.

How network discovery works

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

$10Kin total
  • 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.

See all payments to Peter Cha

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.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in surgeryAmerican Board of Surgery
  3. Board certified in surgical critical careAmerican Board of Surgery

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

  1. PPO9
  2. Medicare7
  3. HMO6
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Peter I. Cha's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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