Dr. John W. Parkinson Jr., MD
- Medicare services, 2024
- 77
- Medicare patients, 2024
- 146
- Hospital affiliations
- 2
- Industry payments
- $298
- Medical group
- 1
- Practice address
- 335 Glessner Avenue, Mansfield, OH 44903
- Practice phone
- Call (419) 526-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Parkinson's professional email, personal email and mobile number
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Dr. John W. Parkinson Jr. is an anesthesiologist in Mansfield, Ohio
Dr. Parkinson practices at OhioHealth Mansfield Hospital in Mansfield, Ohio, part of OhioHealth.
Dr. Parkinson's NPI, 1174518591, was assigned on September 12, 2005. Dr. Parkinson graduated from Eastern Virginia Medical School in 1984. Dr. Parkinson holds Ohio license 35052211.
- NPI
- 1174518591NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133012495
- NPI enumeration date
- September 12, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (419) 526-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
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. Parkinson Jr. practices at OhioHealth Mansfield Hospital in Mansfield, Ohio
Dr. Parkinson's primary practice is OhioHealth Mansfield Hospital, at 335 Glessner Avenue, Mansfield, OH 44903 in Richland County. The practice phone is (419) 526-8000.
- OhioHealth Mansfield Hospital335 Glessner Avenue, Mansfield, OH 44903 · Richland CountyPhone(419) 526-8000
Source: Dmand AI Affiliation Data
Dr. John W. Parkinson Jr. is affiliated with 3 sites of care and 1 medical group
Dr. Parkinson's primary practice is OhioHealth Mansfield Hospital in Mansfield, Ohio, part of OhioHealth. Dr. Parkinson is also affiliated with University Hospitals Samaritan Medical Center. The medical group on file is Anesthesia Associates of Mansfield. Dmand AI also links Dr. Parkinson to 1 more group practice or clinic, 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. Parkinson Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parkinson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| OhioHealth Mansfield Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John W. Parkinson Jr. is one of 1,673 anesthesiologists in Ohio
Anesthesiology is Dr. Parkinson's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Parkinson is licensed in Ohio.
Specialties and state licenses
- Anesthesiology, OhioPrimary
Anesthesiologists near Dr. Parkinson
Counts of anesthesiologists 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. Parkinson Jr. billed Medicare for 77 services in 2024
CMS data shows 77 Medicare services from Dr. Parkinson across 4 procedure codes in 2024, for 146 Medicare patients. Medicare paid $4,898 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Parkinson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 632024: 665%
- Surgery
- 2023: 112024: 11No change
- Imaging
- 2023: 122024: 0100%
Dr. Parkinson compared with the Ohio median for anesthesiologists, 2024
- Dr. Parkinson
- Ohio median
- Medicare services
- 77vs 78Close to median
- Medicare patients
- 146vs 145Close to median
Medians across 1,609 anesthesiologists in Ohio with Dmand AI profiles that report each measure.
Dr. Parkinson'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. Parkinson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parkinson and other anesthesiologists in Ohio.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John W. Parkinson Jr. treated 146 Medicare patients in 2024, average age 74
CMS counts 146 Medicare patients who saw Dr. Parkinson in 2024. The largest group is 65 to 74, with 61 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.60, 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. Parkinson's median patient age at 68, with 57% women.
Dr. Parkinson's Medicare patients by age, 2024
Dr. Parkinson's Medicare patients by sex, 2024
- Women8458%
- Men6242%
Chronic conditions among Dr. Parkinson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease36%
- Diabetes30%
- Mood disorders29%
- Anxiety28%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parkinson'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
- Women57%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John W. Parkinson Jr. takes part in Medicare
Dr. Parkinson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John W. Parkinson Jr. received $298 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Dr. Parkinson from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $184.
General payments to Dr. Parkinson by program year, 2016 to 2025
Companies that paid Dr. Parkinson 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. Parkinson Jr. graduated from Eastern Virginia Medical School
Dr. Parkinson graduated from Eastern Virginia Medical School in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John W. Parkinson Jr.'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Parkinson Jr.
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. Parkinson Jr.'s NPI number?
Dr. John W. Parkinson Jr.'s NPI number is 1174518591. It was assigned on September 12, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John W. Parkinson Jr.?
Dr. John W. Parkinson Jr. is an anesthesiologist in Mansfield, Ohio. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John W. Parkinson Jr. practice?
Dr. Parkinson practices at 335 Glessner Avenue, Mansfield, OH 44903. Dr. Parkinson's primary practice is OhioHealth Mansfield Hospital in Mansfield, Ohio, part of OhioHealth. Dmand AI also links Dr. Parkinson to 1 group practice or clinic.
What is Dr. John W. Parkinson Jr.'s office phone number?
The practice phone on file for Dr. Parkinson is (419) 526-8000.
What is Dr. John W. Parkinson Jr.'s medical license number?
Dr. Parkinson holds Ohio license 35052211.
Which hospitals is Dr. John W. Parkinson Jr. affiliated with?
Dr. Parkinson practices at OhioHealth Mansfield Hospital in Mansfield, Ohio. Dr. Parkinson is also affiliated with University Hospitals Samaritan Medical Center.
What medical group is Dr. John W. Parkinson Jr. part of?
Dr. Parkinson is linked to Anesthesia Associates of Mansfield.
Does Dr. John W. Parkinson Jr. accept Medicare?
Yes. CMS data shows Dr. Parkinson billed Medicare for 77 services in 2024, and Dr. Parkinson accepts Medicare assignment.
How many Medicare patients does Dr. John W. Parkinson Jr. see?
CMS counts 146 Medicare patients who saw Dr. Parkinson in 2024, with an average age of 74.
What services does Dr. John W. Parkinson Jr. bill to Medicare?
In 2024, Dr. Parkinson's most billed Medicare services were anesthesia (00811), anesthesia (00731) and anesthesia (00812).
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Where did Dr. John W. Parkinson Jr. go to medical school?
Dr. Parkinson graduated from Eastern Virginia Medical School in 1984.
Has Dr. John W. Parkinson Jr. received payments from drug or device companies?
CMS Open Payments shows $298 in general payments to Dr. Parkinson from 5 companies from 2016 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. John W. Parkinson Jr. been practicing?
Dr. Parkinson graduated from medical school in 1984, 42 years ago.
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