Dr. John W. Shaw, MD
- Medicare services, 2024
- 558
- Medicare patients, 2024
- 365
- Part D claims, 2024
- 929
- Hospital affiliations
- 3
- Industry payments
- $10,747
- Practice address
- 1404 East Second Street, Defiance, OH 43512
- Practice phone
- Call (419) 782-8444
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Shaw'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. John W. Shaw is a general surgeon in Defiance, Ohio
Dr. Shaw practices at Mercy Health - Defiance Hospital in Defiance, Ohio, part of Bon Secours Mercy Health.
Dr. Shaw's NPI, 1104858745, was assigned on July 6, 2006. Dr. Shaw graduated from University of Cincinnati College of Medicine in 1990. Dr. Shaw holds Ohio license 35068596.
- NPI
- 1104858745NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830081413
- NPI enumeration date
- July 6, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 782-8444
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John W. Shaw practices at Mercy Health - Defiance Hospital in Defiance, Ohio
Dr. Shaw's primary practice is Mercy Health - Defiance Hospital, at 1404 East Second Street, Defiance, OH 43512 in Defiance County. The practice phone is (419) 782-8444.
- Mercy Health - Defiance Hospital1404 East Second Street, Defiance, OH 43512 · Defiance CountyPhone(419) 782-8444
Source: Dmand AI Affiliation Data
Dr. John W. Shaw is affiliated with 5 sites of care and 5 medical groups
Dr. Shaw's primary practice is Mercy Health - Defiance Hospital in Defiance, Ohio, part of Bon Secours Mercy Health. Dr. Shaw is also affiliated with Mercy Health - St. Vincent Medical Center. The medical group on file is Mercy Health Physicians. Dmand AI also links Dr. Shaw to 1 more hospital, 4 medical groups, 1 hospital outpatient department and 1 therapy and rehab 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. John W. Shaw's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shaw practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Health - Defiance Hospital | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. John W. Shaw is one of 1,056 general surgeons in Ohio
Surgery is Dr. Shaw's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Shaw is licensed in Ohio.
Specialties and state licenses
- Surgery, OhioPrimary
General surgeons near Dr. Shaw
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. John W. Shaw billed Medicare for 558 services in 2024
CMS data shows 558 Medicare services from Dr. Shaw across 13 procedure codes in 2024, for 365 Medicare patients. Medicare paid $54,101 for them.
Dr. Shaw's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2692024: 2929%
- Office and hospital visits
- 2023: 2972024: 22923%
- Other services
- 2023: 392024: 375%
Where Dr. Shaw's Medicare services took place, 2024
- In an office224%
- In a facility53696%
Dr. Shaw compared with the Ohio median for general surgeons, 2024
- Dr. Shaw
- Ohio median
- Medicare services
- 558vs 1683.3 times
- Medicare patients
- 365vs 1272.9 times
- Part D claims
- 806vs 4617.5 times
Medians across 1,031 general surgeons in Ohio with Dmand AI profiles that report each measure.
Dr. Shaw'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. Shaw?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shaw and other general surgeons in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John W. Shaw treated 365 Medicare patients in 2024, average age 73
CMS counts 365 Medicare patients who saw Dr. Shaw in 2024. The largest group is 65 to 74, with 191 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Shaw's median patient age at 68, with 53% women.
Dr. Shaw's Medicare patients by age, 2024
Dr. Shaw's Medicare patients by sex, 2024
- Women19152%
- Men17448%
Chronic conditions among Dr. Shaw's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Chronic kidney disease35%
- Diabetes33%
- Ischemic heart disease33%
- Anxiety28%
- Mood disorders27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shaw's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women53%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John W. Shaw wrote 929 Medicare Part D claims in 2024
In 2024, Dr. Shaw wrote 929 Medicare Part D claims for 253 patients. 98% of them were for generic drugs. CMS names the drug for 806 of them, across 10 drugs with 11 or more claims each, at $9,474 in total drug cost. In 2023, CMS named 702 claims across 9 drugs.
Dr. Shaw's Part D claims by kind of drug, 2024
- Generic908 claims98%
- Brand-name21 claims2%
Dr. Shaw'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. Shaw's Part D claims, 2024
- Opioids6%58 of 929 claims
- Antibiotics5%47 of 929 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: 7022024: 80615%
Drugs named by CMS: 10 in 2024, 9 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. John W. Shaw ranks in the 81st percentile for hernia repair (minimally invasive) in Medicare
Dr. Shaw accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of hernia repair (minimally invasive) by Dr. Shaw, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Shaw ranks in Medicare procedure volume
- Colonoscopy
- 80th percentile102 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 72nd percentile81 procedures
- Hernia repair (minimally invasive)
- 81st percentile15 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 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. John W. Shaw received $10,747 in industry payments from 2016 to 2025
CMS Open Payments shows 115 general payments to Dr. Shaw from 22 drug and device companies from 2016 to 2025. Education make up the largest share, 47% of the total. Intuitive Surgical, Inc. paid the most, $6,945.
General payments to Dr. Shaw by program year, 2016 to 2025
General payments to Dr. Shaw by kind, 2016 to 2025
- Education$5,00047%
- Food and beverage$3,11829%
- Travel and lodging$2,62924%
Companies that paid Dr. Shaw the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John W. Shaw graduated from University of Cincinnati College of Medicine
Dr. Shaw graduated from University of Cincinnati College of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John W. Shaw'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| 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. John W. Shaw
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. John W. Shaw's NPI number?
Dr. John W. Shaw's NPI number is 1104858745. It was assigned on July 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. Shaw?
Dr. John W. Shaw is a general surgeon in Defiance, Ohio. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. John W. Shaw practice?
Dr. Shaw practices at 1404 East Second Street, Defiance, OH 43512. Dr. Shaw's primary practice is Mercy Health - Defiance Hospital in Defiance, Ohio, part of Bon Secours Mercy Health. Dmand AI also links Dr. Shaw to 1 hospital, 4 medical groups, 1 hospital outpatient department and 1 therapy and rehab clinic.
What is Dr. John W. Shaw's office phone number?
The practice phone on file for Dr. Shaw is (419) 782-8444.
What is Dr. John W. Shaw's medical license number?
Dr. Shaw holds Ohio license 35068596.
Which hospitals is Dr. John W. Shaw affiliated with?
Dr. Shaw practices at Mercy Health - Defiance Hospital in Defiance, Ohio. Dr. Shaw is also affiliated with Mercy Health - St. Vincent Medical Center. Dmand AI links Dr. Shaw to 1 more hospital.
What medical group is Dr. John W. Shaw part of?
Dr. Shaw is linked to Mercy Health Physicians. Dmand AI links Dr. Shaw to 4 more medical groups.
Does Dr. John W. Shaw accept Medicare?
Yes. CMS data shows Dr. Shaw billed Medicare for 558 services in 2024, and Dr. Shaw accepts Medicare assignment.
How many Medicare patients does Dr. John W. Shaw see?
CMS counts 365 Medicare patients who saw Dr. Shaw in 2024, with an average age of 73.
What services does Dr. John W. Shaw bill to Medicare?
In 2024, Dr. Shaw's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45380) and surgery: digestive system (43239).
Show 4 more questionsShow fewer questions
Where did Dr. John W. Shaw go to medical school?
Dr. Shaw graduated from University of Cincinnati College of Medicine in 1990.
What drugs does Dr. John W. Shaw prescribe most?
In 2024 Medicare Part D data, Dr. Shaw's most prescribed drugs by claims were Famotidine, Omeprazole and Pantoprazole Sodium.
Has Dr. John W. Shaw received payments from drug or device companies?
CMS Open Payments shows $10,747 in general payments to Dr. Shaw from 22 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. John W. Shaw been practicing?
Dr. Shaw graduated from medical school in 1990, 36 years ago.
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