Dr. Graham Walker McLaren, MD
- Medicare services, 2024
- 213
- Medicare patients, 2024
- 154
- Part D claims, 2024
- 47
- MIPS score, 2024
- 88
- Hospital affiliations
- 4
- Practice address
- 601 John Street, Kalamazoo, MI 49007
- Practice phone
- Call (269) 341-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. McLaren's professional email, personal email and mobile number
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Dr. Graham Walker McLaren is a general surgeon in Kalamazoo, Michigan
Dr. McLaren practices at Bronson Methodist Hospital in Kalamazoo, Michigan, part of Bronson Healthcare Group.
Dr. McLaren's NPI, 1982193629, was assigned on May 8, 2018. Dr. McLaren holds Michigan license 4301509726.
- NPI
- 1982193629NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850656224
- NPI enumeration date
- May 8, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (269) 341-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Graham Walker McLaren practices at Bronson Methodist Hospital in Kalamazoo, Michigan
Dr. McLaren's primary practice is Bronson Methodist Hospital, at 601 John Street, Kalamazoo, MI 49007 in Kalamazoo County. The practice phone is (269) 341-6000.
- Bronson Methodist Hospital601 John Street, Kalamazoo, MI 49007 · Kalamazoo CountyPhone(269) 341-6000
Source: Dmand AI Affiliation Data
Dr. Graham Walker McLaren is affiliated with 5 sites of care and 3 medical groups
Dr. McLaren's primary practice is Bronson Methodist Hospital in Kalamazoo, Michigan, part of Bronson Healthcare Group. Dr. McLaren is also affiliated with Bronson Battle Creek Hospital. The medical group on file is Bronson Medical Group. Dmand AI also links Dr. McLaren to 2 more hospitals, 2 medical groups 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. Graham Walker McLaren's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McLaren practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bronson Methodist Hospital | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Bronson Healthcare Group and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Graham Walker McLaren is one of 1,095 general surgeons in Michigan
Surgery is Dr. McLaren's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. McLaren is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. McLaren
Counts of general 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. Graham Walker McLaren billed Medicare for 213 services in 2024
CMS data shows 213 Medicare services from Dr. McLaren across 2 procedure codes in 2024, for 154 Medicare patients. Medicare paid $12,913 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. McLaren compared with the Michigan median for general surgeons, 2024
- Dr. McLaren
- Michigan median
- Medicare services
- 213vs 12669% above
- Medicare patients
- 154vs 10744% above
- Part D claims
- 25vs 3017% below
Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. McLaren'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
Dr. Graham Walker McLaren treated 154 Medicare patients in 2024, average age 71
CMS counts 154 Medicare patients who saw Dr. McLaren in 2024. The largest group is 65 to 74, with 62 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.96, 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. McLaren's median patient age at 61, with 46% women.
Dr. McLaren's Medicare patients by age, 2024
Dr. McLaren's Medicare patients by sex, 2024
- Women8253%
- Men7247%
Chronic conditions among Dr. McLaren's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis49%
- Mood disorders45%
- Anxiety41%
- Depression40%
- Chronic kidney disease39%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. McLaren's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Graham Walker McLaren wrote 47 Medicare Part D claims in 2024
In 2024, Dr. McLaren wrote 47 Medicare Part D claims for 25 patients. 98% of them were for generic drugs. CMS names the drug for 25 of them, across 1 drug with 11 or more claims each, at $128 in total drug cost.
Dr. McLaren's Part D claims by kind of drug, 2024
- Generic46 claims98%
- Brand-name and other1 claims2%
Dr. McLaren'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. McLaren's Part D claims, 2024
- Opioids60%28 of 47 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Graham Walker McLaren 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 Dr. McLaren for performance year 2024, reported as part of a group. Dr. McLaren accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. McLaren's MIPS scores, performance year 2024
- 88of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 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 (minimally invasive): 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)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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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Dr. Graham Walker McLaren received $109 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. McLaren from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $89.
General payments to Dr. McLaren by program year, 2024 to 2025
Companies that paid Dr. McLaren the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Graham Walker McLaren'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Graham Walker McLaren
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. Graham Walker McLaren's NPI number?
Dr. Graham Walker McLaren's NPI number is 1982193629. It was assigned on May 8, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Graham Walker McLaren?
Dr. Graham Walker McLaren is a general surgeon in Kalamazoo, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Graham Walker McLaren practice?
Dr. McLaren practices at 601 John Street, Kalamazoo, MI 49007. Dr. McLaren's primary practice is Bronson Methodist Hospital in Kalamazoo, Michigan, part of Bronson Healthcare Group. Dmand AI also links Dr. McLaren to 2 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. Graham Walker McLaren's office phone number?
The practice phone on file for Dr. McLaren is (269) 341-6000.
What is Dr. Graham Walker McLaren's medical license number?
Dr. McLaren holds Michigan license 4301509726.
Which hospitals is Dr. Graham Walker McLaren affiliated with?
Dr. McLaren practices at Bronson Methodist Hospital in Kalamazoo, Michigan. Dr. McLaren is also affiliated with Bronson Battle Creek Hospital. Dmand AI links Dr. McLaren to 2 more hospitals.
What medical group is Dr. Graham Walker McLaren part of?
Dr. McLaren is linked to Bronson Medical Group. Dmand AI links Dr. McLaren to 2 more medical groups.
Does Dr. Graham Walker McLaren accept Medicare?
Yes. CMS data shows Dr. McLaren billed Medicare for 213 services in 2024, and Dr. McLaren accepts Medicare assignment.
What is Dr. Graham Walker McLaren's MIPS score?
Dr. McLaren's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.
How many Medicare patients does Dr. Graham Walker McLaren see?
CMS counts 154 Medicare patients who saw Dr. McLaren in 2024, with an average age of 71.
Show 4 more questionsShow fewer questions
What services does Dr. Graham Walker McLaren bill to Medicare?
In 2024, Dr. McLaren's most billed Medicare services were hospital inpatient care (99232) and office visit, new patient (99204).
What drugs does Dr. Graham Walker McLaren prescribe most?
In 2024 Medicare Part D data, Dr. McLaren's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Graham Walker McLaren received payments from drug or device companies?
CMS Open Payments shows $109 in general payments to Dr. McLaren from 2 companies from 2024 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Graham Walker McLaren been practicing?
Dr. McLaren graduated from medical school in 2018, 8 years ago.
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