Dr. Michael B. Purnell, MD
- Medicare services, 2024
- 6,937
- Medicare patients, 2024
- 240
- Part D claims, 2024
- 185
- Clinical trials
- 1
- Hospital affiliations
- 3
- Practice address
- 1335 Coffee Rd, Modesto, CA 95355
- Practice phone
- Call (209) 492-0483
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Coffee Road Surgery Center, LLC
Modesto, California
Find Dr. Purnell'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. Michael B. Purnell is an orthopedic surgeon in Modesto, California
Dr. Purnell practices at Coffee Road Surgery Center, LLC in Modesto, California.
Dr. Purnell's NPI, 1982652459, was assigned on May 5, 2006. Dr. Purnell graduated from Carver College of Medicine in 1983. Dr. Purnell holds California license A45481.
- NPI
- 1982652459NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597714758
- NPI enumeration date
- May 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 492-0483
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael B. Purnell practices at Coffee Road Surgery Center, LLC in Modesto, California
Dr. Purnell's primary practice is Coffee Road Surgery Center, LLC, at 1335 Coffee Rd, Modesto, CA 95355 in Stanislaus County. The practice phone is (209) 492-0483.
- Coffee Road Surgery Center, LLC1335 Coffee Rd, Modesto, CA 95355 · Stanislaus CountyPhone(209) 492-0483
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael B. Purnell is affiliated with 6 sites of care and 3 medical groups
Dr. Purnell's primary practice is Coffee Road Surgery Center, LLC in Modesto, California. Dr. Purnell is also affiliated with Doctors Medical Center Modesto. The medical group on file is San Joaquin Faculty Medical Group. Dmand AI also links Dr. Purnell to 2 more hospitals, 2 medical groups, 1 physician office and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael B. Purnell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Purnell practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Coffee Road Surgery Center, LLC | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael B. Purnell is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Purnell's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Purnell is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Purnell's licenses on file in 4 states: California, Arizona, Iowa and South Carolina.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Arizona license
- Iowa license
- South Carolina license
Clinical focus
Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis, broken or dislocated ankle/ or foot, bursitis, carpal tunnel syndrome, enthesopathy in arms, hip replacement and joint arthropathy among the conditions Dr. Purnell treats.
Orthopedic surgeons near Dr. Purnell
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. Michael B. Purnell billed Medicare for 6,937 services in 2024
CMS data shows 6,937 Medicare services from Dr. Purnell across 12 procedure codes in 2024, for 240 Medicare patients. Medicare paid $73,254 for them.
Dr. Purnell's Medicare services by type, 2024
- Drugs given in the office6,306
- Office and hospital visits306
- Surgery220
- Imaging105
Where Dr. Purnell's Medicare services took place, 2024
- In an office6,924100%
- In a facility130%
Dr. Purnell compared with the California median for orthopedic surgeons, 2024
- Dr. Purnell
- California median
- Medicare services
- 6,937vs 68310.2 times
- Medicare patients
- 240vs 21512% above
- Part D claims
- 120vs 7071% above
Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.
Dr. Purnell'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.
Need commercial claims for Dr. Purnell?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Purnell and other orthopedic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael B. Purnell treated 240 Medicare patients in 2024, average age 73
CMS counts 240 Medicare patients who saw Dr. Purnell in 2024. The largest group is 65 to 74, with 123 patients. 75% of them have arthritis, and 75% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Purnell's median patient age at 71, with 54% women.
Dr. Purnell's Medicare patients by age, 2024
Dr. Purnell's Medicare patients by sex, 2024
- Women14460%
- Men9640%
Chronic conditions among Dr. Purnell's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes33%
- Chronic kidney disease24%
- Ischemic heart disease23%
- Mood disorders22%
- Anxiety21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Purnell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael B. Purnell wrote 185 Medicare Part D claims in 2024
In 2024, Dr. Purnell wrote 185 Medicare Part D claims for 92 patients. 99% of them were for generic drugs. CMS names the drug for 120 of them, across 4 drugs with 11 or more claims each, at $619 in total drug cost.
Dr. Purnell's Part D claims by kind of drug, 2024
- Generic184 claims99%
- Brand-name and other1 claims1%
Dr. Purnell'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. Purnell's Part D claims, 2024
- Opioids42%78 of 185 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. Michael B. Purnell ranks in the 37th percentile for knee replacement in Medicare
Dr. Purnell accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of knee replacement by Dr. Purnell, more than 37% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Purnell ranks in Medicare procedure volume
- Knee replacement
- 37th percentile11 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)
Upper limb (arm) 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. Michael B. Purnell has worked on 1 clinical trial
Dmand AI links Dr. Purnell to 1 clinical trial.
Investigators on the most trials with Dr. Purnell
- Jorge I. Acevedo, MD1 shared trial
- Gregory J. Adamson, MD1 shared trial
- Kenneth H. Akizuki, MD1 shared trial
Recent clinical trials with Dr. Purnell
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael B. Purnell received $84,705 in industry payments from 2024 to 2025
CMS Open Payments shows 29 general payments to Dr. Purnell from 8 drug and device companies from 2024 to 2025. Royalties and licenses make up the largest share, 90% of the total. Shoulder Innovations, Inc. paid the most, $78,867.
General payments to Dr. Purnell by program year, 2024 to 2025
General payments to Dr. Purnell by kind, 2024 to 2025
- Royalties and licenses$76,57890%
- Travel and lodging$3,9125%
- Charitable contributions$2,8883%
- Food and beverage$1,2681%
- Gifts$590%
Companies that paid Dr. Purnell the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael B. Purnell graduated from Carver College of Medicine
Dr. Purnell graduated from Carver College of Medicine in 1983.
- Medical school
- Board certified in orthopaedic sports medicine
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Michael B. Purnell accepts plans from 16 insurance carriers
Dr. Purnell is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- +8 more carriersWith a free account
Plan types Dr. Purnell accepts, by number of carriers
- Medicare11
- PPO11
- HMO7
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael B. Purnell'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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (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 Dr. Michael B. Purnell
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. Michael B. Purnell's NPI number?
Dr. Michael B. Purnell's NPI number is 1982652459. It was assigned on May 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael B. Purnell?
Dr. Michael B. Purnell is an orthopedic surgeon in Modesto, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Michael B. Purnell practice?
Dr. Purnell practices at 1335 Coffee Rd, Modesto, CA 95355. Dr. Purnell's primary practice is Coffee Road Surgery Center, LLC in Modesto, California. Dmand AI also links Dr. Purnell to 2 hospitals, 2 medical groups, 1 physician office and 1 group practice or clinic.
What is Dr. Michael B. Purnell's office phone number?
The practice phone on file for Dr. Purnell is (209) 492-0483.
What is Dr. Michael B. Purnell's medical license number?
Dr. Purnell holds California license A45481, one of the licenses on file in 4 states.
Which states has Dr. Michael B. Purnell been licensed in?
Dmand AI has state licenses on file for Dr. Purnell in California (1988 to 2026), Arizona (2022 to 2027), Iowa (1984 to 2026) and South Carolina (1988 to 1989).
Which hospitals is Dr. Michael B. Purnell affiliated with?
Dr. Purnell is affiliated with Doctors Medical Center Modesto. Dmand AI links Dr. Purnell to 2 more hospitals.
What medical group is Dr. Michael B. Purnell part of?
Dr. Purnell is linked to San Joaquin Faculty Medical Group. Dmand AI links Dr. Purnell to 2 more medical groups.
Does Dr. Michael B. Purnell accept Medicare?
Yes. CMS data shows Dr. Purnell billed Medicare for 6,937 services in 2024, and Dr. Purnell accepts Medicare assignment.
How many Medicare patients does Dr. Michael B. Purnell see?
CMS counts 240 Medicare patients who saw Dr. Purnell in 2024, with an average age of 73.
Show 8 more questionsShow fewer questions
Is Dr. Michael B. Purnell board certified?
Yes. Dr. Purnell is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery.
What services does Dr. Michael B. Purnell bill to Medicare?
In 2024, Dr. Purnell's most billed Medicare services were injected or infused drug (J1010), surgery: bones and joints (20610) and injected or infused drug (J7324).
Where did Dr. Michael B. Purnell go to medical school?
Dr. Purnell graduated from Carver College of Medicine in 1983.
What drugs does Dr. Michael B. Purnell prescribe most?
In 2024 Medicare Part D data, Dr. Purnell's most prescribed drugs by claims were Diclofenac Sodium, Oxycodone HCl and Tramadol HCl.
Has Dr. Michael B. Purnell received payments from drug or device companies?
CMS Open Payments shows $84,705 in general payments to Dr. Purnell from 8 companies from 2024 to 2025. The largest total came from Shoulder Innovations, Inc.
How long has Dr. Michael B. Purnell been practicing?
Dr. Purnell graduated from medical school in 1983, 43 years ago.
Does Dr. Michael B. Purnell do research?
Dr. Purnell has worked on 1 clinical trial.
What insurance does Dr. Michael B. Purnell accept?
Dr. Purnell is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
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