Dr. Loretta Belle Chou, MD

  • Stanford, CA
  • Orthopaedic foot and ankle surgery physician
NPI1720174287PAC ID6901905967
Medicare services, 2024
217
Medicare patients, 2024
133
Publications
59
MIPS score, 2024
89
Hospital affiliations
2
Practice address
300 Pasteur Drive, Stanford, CA 94305
Practice phone
Call (650) 723-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stanford Hospital at 300 Pasteur Drive

Hospital · Stanford, California

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Dr. Loretta Belle Chou is an orthopaedic foot and ankle surgery physician in Stanford, California

Dr. Chou practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Chou's NPI, 1720174287, was assigned on October 4, 2006. Dr. Chou graduated from UC Irvine School of Medicine in 1986. Dr. Chou holds California license G60695.

NPI and contact details
Medicare PAC ID
6901905967
NPI enumeration date
October 4, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(650) 723-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
66
Medical school graduation
1986

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Loretta Belle Chou practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California

Dr. Chou'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.

Source: Dmand AI Affiliation Data

Dr. Loretta Belle Chou is affiliated with 2 sites of care and 1 medical group

Dr. Chou's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Chou to 1 more hospital, named with a free account. Dr. Chou's employer is on file too: a hospital.

See all 3 affiliations for Dr. Chou

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Loretta Belle Chou's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chou practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Stanford Hospital at 300 Pasteur DriveAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Loretta Belle Chou is one of 60 orthopaedic foots and ankle surgery physicians in California

Foot and ankle surgery is Dr. Chou's primary specialty in the NPI Registry, under taxonomy code 207XX0004X. Dr. Chou is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Chou's licenses on file in 3 states: California, District of Columbia and Maryland.

Specialties and state licenses

  • Orthopaedic foot and ankle surgery, CaliforniaPrimaryLicense G60695 · 1987 to 2027 · taxonomy 207XX0004X
  • District of Columbia license1989 to 2001
  • Maryland license1994 to 1996

Clinical focus

Dmand AI lists ankle replacement, arthritis, broken or dislocated ankle/ or foot, joint or bone infection, joint pain, leg, ankle or foot fracture, muscle pain, fibromyalgia, and limb pain and removal of damaged skin or skin graft among the conditions Dr. Chou treats.

Orthopaedic foots and ankle surgery physicians near Dr. Chou

Counts of orthopaedic foots and ankle 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

Dr. Loretta Belle Chou billed Medicare for 217 services in 2024

CMS data shows 217 Medicare services from Dr. Chou across 3 procedure codes in 2024, all of them office visits, for 133 Medicare patients. Medicare paid $15,741 for them. Every service was in an office.

Medicare services, 2024217
Medicare patients133
Paid by Medicare$15,741
Procedure codes3

Dr. Chou's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2042024: 2176%
Imaging
2023: 132024: 0100%

Dr. Chou compared with the California median for orthopaedic foots and ankle surgery physicians, 2024

  • Dr. Chou
  • California median
Medicare services
217vs 79573% below
Medicare patients
133vs 31257% below

Medians across 56 orthopaedic foots and ankle surgery physicians in California with Dmand AI profiles that report each measure.

Dr. Chou'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 Dr. Chou

Need commercial claims for Dr. Chou?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chou and other orthopaedic foots and ankle surgery physicians in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Loretta Belle Chou treated 133 Medicare patients in 2024, average age 73

CMS counts 133 Medicare patients who saw Dr. Chou in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have arthritis, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.41, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chou's median patient age at 55, with 58% women.

Medicare patients, 2024133
Average age73
Average risk score1.41
Also on Medicaid14%

Dr. Chou's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Chou's Medicare patients by sex, 2024

  • Women8362%
  • Men5038%

Chronic conditions among Dr. Chou's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure65%
  4. Diabetes29%
  5. Ischemic heart disease29%
  6. Osteoporosis29%
  7. Mood disorders26%
  8. Chronic kidney disease23%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chou's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women58%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Loretta Belle Chou scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Chou for performance year 2024, reported as part of a group. Dr. Chou accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chou as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Chou's MIPS scores, performance year 2024

  • 89of 100Final score
  • 87.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Loretta Belle Chou has 59 publications on record

Dmand AI links 59 papers to Dr. Chou, published from 2012 to 2023. 2021 was the busiest year, with 3. The most frequent topics are Biomechanical Phenomena, Orthopedics and Ankle Joint. Dr. Chou has published most often in Foot Ankle Int. Dr. Chou's most frequent co-authors are Robin Neil Kamal, MD, Derek Fakhredean Amanatullah, MD and Marc Raymond Safran, MD.

Papers59
Years published2012 to 2023

Dr. Chou's papers by year, 2012 to 2023

Topics Dr. Chou writes about most

  • Biomechanical Phenomena
  • Orthopedics
  • Ankle Joint
  • Cadaver
  • Orthopedic Procedures
  • Ankle Injuries
  • Arthrodesis
  • Bone Neoplasms

Dr. Chou's most frequent co-authors

Recent publications by Dr. Chou

See all 59 publications and co-authors

See who Dr. Chou researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chou works with, so you can find a warm path to the right orthopaedic foots and ankle surgery physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Loretta Belle Chou received $34,482 in industry payments from 2016 to 2025

CMS Open Payments shows 179 general payments to Dr. Chou from 11 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 44% of the total. Arthrex, Inc. paid the most, $13,646.

General payments to Dr. Chou by program year, 2016 to 2025

General payments to Dr. Chou by kind, 2016 to 2025

$34.5Kin total
  • Travel and lodging$15,03644%
  • Education$10,61331%
  • Food and beverage$8,83326%

Companies that paid Dr. Chou the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chou

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Loretta Belle Chou has 1 award and honors on record

Dmand AI lists 1 award for Dr. Chou, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Chou

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Loretta Belle Chou graduated from UC Irvine School of Medicine

Dr. Chou graduated from UC Irvine School of Medicine in 1986.

  1. Medical schoolUC Irvine School of Medicine
  2. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. Loretta Belle Chou accepts plans from 10 insurance carriers

Dr. Chou is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • HCSC
  • Regence Health Plans
  • United Healthcare
  • +2 more carriersWith a free account

Plan types Dr. Chou accepts, by number of carriers

  1. Medicare7
  2. PPO7
  3. POS5
  4. HMO4
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. Loretta Belle Chou'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)
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)
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)
Awards and committee rolesDmand AI Professional Profile Data
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 Dr. Loretta Belle Chou

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. Loretta Belle Chou's NPI number?

Dr. Loretta Belle Chou's NPI number is 1720174287. It was assigned on October 4, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Loretta Belle Chou?

Dr. Loretta Belle Chou is an orthopaedic foot and ankle surgery physician in Stanford, California. The primary specialty in the NPI Registry is Orthopaedic Foot and Ankle Surgery Physician (taxonomy code 207XX0004X).

Where does Dr. Loretta Belle Chou practice?

Dr. Chou practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Chou's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Chou to 1 hospital.

What is Dr. Loretta Belle Chou's office phone number?

The practice phone on file for Dr. Chou is (650) 723-4000.

What is Dr. Loretta Belle Chou's medical license number?

Dr. Chou holds California license G60695, one of the licenses on file in 3 states.

Which states has Dr. Loretta Belle Chou been licensed in?

Dmand AI has state licenses on file for Dr. Chou in California (1987 to 2027), District of Columbia (1989 to 2001) and Maryland (1994 to 1996).

Which hospitals is Dr. Loretta Belle Chou affiliated with?

Dr. Chou practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Chou to 1 more hospital.

What medical group is Dr. Loretta Belle Chou part of?

Dr. Chou is linked to Stanford Health Care.

Does Dr. Loretta Belle Chou accept Medicare?

Yes. CMS data shows Dr. Chou billed Medicare for 217 services in 2024, and Dr. Chou accepts Medicare assignment.

Does Dr. Loretta Belle Chou offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chou as offering telehealth services.

Show 10 more questionsShow fewer questions

What is Dr. Loretta Belle Chou's MIPS score?

Dr. Chou's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

How many Medicare patients does Dr. Loretta Belle Chou see?

CMS counts 133 Medicare patients who saw Dr. Chou in 2024, with an average age of 73.

Is Dr. Loretta Belle Chou board certified?

Yes. Dr. Chou is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.

What services does Dr. Loretta Belle Chou bill to Medicare?

In 2024, Dr. Chou's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99204).

Where did Dr. Loretta Belle Chou go to medical school?

Dr. Chou graduated from UC Irvine School of Medicine in 1986.

Has Dr. Loretta Belle Chou received payments from drug or device companies?

CMS Open Payments shows $34,482 in general payments to Dr. Chou from 11 companies from 2016 to 2025. The largest total came from Arthrex, Inc.

How long has Dr. Loretta Belle Chou been practicing?

Dr. Chou graduated from medical school in 1986, 40 years ago.

Does Dr. Loretta Belle Chou do research?

Dmand AI links 59 publications to Dr. Chou, published from 2012 to 2023.

Who does Dr. Loretta Belle Chou publish with?

Dr. Chou's most frequent co-authors are Robin Neil Kamal, MD (7 shared papers), Derek Fakhredean Amanatullah, MD (5 shared papers) and Marc Raymond Safran, MD (5 shared papers).

What insurance does Dr. Loretta Belle Chou accept?

Dr. Chou is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.

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