J Shoulder Elbow Surg
Arthroplasty, ReplacementJoint CapsuleJoint Instability
Dr. Peter Lee Kok, MD
NPI1538423496PAC ID2769628882
- Medicare services, 2024
- 2,460
- Medicare patients, 2024
- 351
- Part D claims, 2024
- 86
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 54 Baker Avenue Ext, Concord, MA 01742
- Practice phone
- Call (978) 369-5391
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Orthopedic Affiliates Inc
Concord, Massachusetts
Find Dr. Kok'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. Peter Lee Kok is an orthopedic surgeon in Concord, Massachusetts
Dr. Kok practices at Orthopedic Affiliates Inc in Concord, Massachusetts.
Dr. Kok's NPI, 1538423496, was assigned on June 26, 2012. Dr. Kok graduated from Columbia University College of Physicians and Surgeons in 2012. Dr. Kok holds Minnesota license 56606.
NPI and contact details
- NPI
- 1538423496NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769628882
- NPI enumeration date
- June 26, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 369-5391
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter Lee Kok practices at Orthopedic Affiliates Inc in Concord, Massachusetts
Dr. Kok's primary practice is Orthopedic Affiliates Inc, at 54 Baker Avenue Ext, Concord, MA 01742 in Middlesex County. The practice phone is (978) 369-5391.
- Orthopedic Affiliates Inc54 Baker Avenue Ext, Concord, MA 01742 · Middlesex CountyPhone(978) 369-5391
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Peter Lee Kok is affiliated with 4 sites of care and 1 medical group
Dr. Kok's primary practice is Orthopedic Affiliates Inc in Concord, Massachusetts. Dr. Kok is also affiliated with Emerson Hospital. The medical group on file is Orthopedic Affiliates Joint and Sports Medicine Center. Dmand AI also links Dr. Kok to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Orthopedic Affiliates IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Peter Lee Kok's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kok practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orthopedic Affiliates Inc | 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. Peter Lee Kok is one of 593 orthopedic surgeons in Massachusetts
Orthopaedic surgery is Dr. Kok's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Kok is licensed in Minnesota.
Specialties and state licenses
- Orthopaedic surgery, MinnesotaPrimary
Orthopedic surgeons near Dr. Kok
Counts of orthopedic surgeons 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. Peter Lee Kok billed Medicare for 2,460 services in 2024
CMS data shows 2,460 Medicare services from Dr. Kok across 10 procedure codes in 2024, for 351 Medicare patients. Medicare paid $72,756 for them.
Medicare services, 20242,460
Medicare patients351
Paid by Medicare$72,756
Procedure codes10
Dr. Kok's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 1,1672024: 1,43423%
- Office and hospital visits
- 2023: 4622024: 53015%
- Imaging
- 2023: 1602024: 31295%
- Surgery
- 2023: 1572024: 18417%
Where Dr. Kok's Medicare services took place, 2024
- In an office2,449100%
- In a facility110%
Dr. Kok compared with the Massachusetts median for orthopedic surgeons, 2024
- Dr. Kok
- Massachusetts median
- Medicare services
- 2,460vs 6723.7 times
- Medicare patients
- 351vs 30216% above
- Part D claims
- 70vs 5040% above
Medians across 543 orthopedic surgeons in Massachusetts with Dmand AI profiles that report each measure.
Dr. Kok'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. Kok and other orthopedic surgeons in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter Lee Kok treated 351 Medicare patients in 2024, average age 75
CMS counts 351 Medicare patients who saw Dr. Kok in 2024. The largest group is 65 to 74, with 158 patients. 70% of them have high cholesterol, and 63% have arthritis. 10% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Kok's median patient age at 59, with 51% women.
Medicare patients, 2024351
Average age75
Average risk score1.05
Also on Medicaid10%
Dr. Kok's Medicare patients by age, 2024
Dr. Kok's Medicare patients by sex, 2024
- Women19556%
- Men15644%
Chronic conditions among Dr. Kok's Medicare patients, 2024
- High cholesterol70%
- Arthritis63%
- High blood pressure62%
- Mood disorders31%
- Anxiety28%
- Depression26%
- Osteoporosis22%
- Ischemic heart disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kok's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter Lee Kok wrote 86 Medicare Part D claims in 2024
In 2024, Dr. Kok wrote 86 Medicare Part D claims for 46 patients. 100% of them were for generic drugs. CMS names the drug for 70 of them, across 2 drugs with 11 or more claims each, at $302 in total drug cost. In 2023, CMS named 44 claims across 2 drugs.
Part D claims, 202486
Drugs named by CMS2
Total drug cost$302
Part D patients46
Dr. Kok'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. Kok's Part D claims, 2024
- Opioids52%45 of 86 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: 442024: 7059%
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
Dr. Peter Lee Kok ranks in the 85th percentile for upper limb (arm) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Kok accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 48 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Kok, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Kok ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 85th percentile48 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Peter Lee Kok has 2 publications on record
Dmand AI links 2 papers to Dr. Kok, published from 2014 to 2017. Dr. Kok's most frequent co-authors are Christopher Ahmad, MD, Louis U. Bigliani, MD and Edwin R. Cadet, MD.
Papers2
Years published2014 to 2017
Dr. Kok's most frequent co-authors
- Christopher Ahmad, MD1 shared paper
- Louis U. Bigliani, MD1 shared paper
- Edwin R. Cadet, MD1 shared paper
Recent publications by Dr. Kok
See who Dr. Kok researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kok works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter Lee Kok received $41,760 in industry payments from 2017 to 2025
CMS Open Payments shows 131 general payments to Dr. Kok from 16 drug and device companies from 2017 to 2025. Grants make up the largest share, 39% of the total. Arthrex, Inc. paid the most, $13,283.
General payments to Dr. Kok by program year, 2017 to 2025
General payments to Dr. Kok by kind, 2017 to 2025
$41.8Kin total
- Grants$16,25039%
- Education$14,67235%
- Travel and lodging$5,10612%
- Food and beverage$4,23110%
- Honoraria$1,5004%
Companies that paid Dr. Kok 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. Peter Lee Kok graduated from Columbia University College of Physicians and Surgeons
Dr. Kok graduated from Columbia University College of Physicians and Surgeons in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter Lee Kok'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)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 |
| 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. Peter Lee Kok
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. Peter Lee Kok's NPI number?
Dr. Peter Lee Kok's NPI number is 1538423496. It was assigned on June 26, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter Lee Kok?
Dr. Peter Lee Kok is an orthopedic surgeon in Concord, Massachusetts. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Peter Lee Kok practice?
Dr. Kok practices at 54 Baker Avenue Ext, Concord, MA 01742. Dr. Kok's primary practice is Orthopedic Affiliates Inc in Concord, Massachusetts. Dmand AI also links Dr. Kok to 1 group practice or clinic and 1 home health agency.
What is Dr. Peter Lee Kok's office phone number?
The practice phone on file for Dr. Kok is (978) 369-5391.
What is Dr. Peter Lee Kok's medical license number?
Dr. Kok holds Minnesota license 56606.
Which hospitals is Dr. Peter Lee Kok affiliated with?
Dr. Kok is affiliated with Emerson Hospital.
What medical group is Dr. Peter Lee Kok part of?
Dr. Kok is linked to Orthopedic Affiliates Joint and Sports Medicine Center.
Does Dr. Peter Lee Kok accept Medicare?
Yes. CMS data shows Dr. Kok billed Medicare for 2,460 services in 2024, and Dr. Kok accepts Medicare assignment.
How many Medicare patients does Dr. Peter Lee Kok see?
CMS counts 351 Medicare patients who saw Dr. Kok in 2024, with an average age of 75.
What services does Dr. Peter Lee Kok bill to Medicare?
In 2024, Dr. Kok's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99214) and surgery: bones and joints (20610).
Show 6 more questionsShow fewer questions
Where did Dr. Peter Lee Kok go to medical school?
Dr. Kok graduated from Columbia University College of Physicians and Surgeons in 2012.
What drugs does Dr. Peter Lee Kok prescribe most?
In 2024 Medicare Part D data, Dr. Kok's most prescribed drugs by claims were Oxycodone HCl and Diclofenac Sodium.
Has Dr. Peter Lee Kok received payments from drug or device companies?
CMS Open Payments shows $41,760 in general payments to Dr. Kok from 16 companies from 2017 to 2025. The largest total came from Arthrex, Inc.
How long has Dr. Peter Lee Kok been practicing?
Dr. Kok graduated from medical school in 2012, 14 years ago.
Does Dr. Peter Lee Kok do research?
Dmand AI links 2 publications to Dr. Kok, published from 2014 to 2017.
Who does Dr. Peter Lee Kok publish with?
Dr. Kok's most frequent co-authors are Christopher Ahmad, MD (1 shared paper), Louis U. Bigliani, MD (1 shared paper) and Edwin R. Cadet, MD (1 shared paper).
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