Int J Environ Res Public Health
Air Pollutants, OccupationalInhalation ExposureOccupational Exposure
Dr. John E. Parker, MD
NPI1952415069
- Medicare services, 2019
- 389
- Part D claims, 2024
- 51
- Publications
- 20
- Hospital affiliations
- 1
- Industry payments
- $282
- Practice address
- 251 North Fourth Street, Oakland, MD 21550
- Practice phone
- Call (301) 533-4173
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. John E. Parker is a pulmonologist in Oakland, Maryland
Dr. Parker practices at WVU Medicine Garrett Regional Medical Center in Oakland, Maryland, part of West Virginia University Health System.
Dr. Parker's NPI, 1952415069, was assigned on August 18, 2006. Dr. Parker holds West Virginia license 14409.
NPI and contact details
- NPI
- 1952415069NPI Registry (opens in a new tab)
- NPI enumeration date
- August 18, 2006
- NPI status
- Active
- Practice phone
- (301) 533-4173
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. John E. Parker practices at WVU Medicine Garrett Regional Medical Center in Oakland, Maryland
Dr. Parker's primary practice is WVU Medicine Garrett Regional Medical Center, at 251 North Fourth Street, Oakland, MD 21550 in Garrett County. The practice phone is (301) 533-4173.
- WVU Medicine Garrett Regional Medical Center251 North Fourth Street, Oakland, MD 21550 · Garrett CountyPhone(301) 533-4173
Source: Dmand AI Affiliation Data
Dr. John E. Parker is affiliated with 1 site of care and 1 medical group
Dr. Parker's primary practice is WVU Medicine Garrett Regional Medical Center in Oakland, Maryland, part of West Virginia University Health System. The medical group on file is Davis Medical Center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John E. Parker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| WVU Medicine Garrett Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John E. Parker is one of 281 pulmonologists in Maryland
Pulmonary disease is Dr. Parker's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Parker is licensed in West Virginia.
Specialties and state licenses
- Pulmonary disease, West VirginiaPrimary
Pulmonologists near Dr. Parker
Counts of pulmonologists 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 E. Parker billed Medicare for 389 services in 2019
CMS data shows 389 Medicare services from Dr. Parker across 6 procedure codes in 2019. Medicare paid $49,972 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2019389
Paid by Medicare$49,972
Procedure codes6
Dr. Parker's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 7542019: 38948%
- Surgery
- 2018: 132019: 0100%
Dr. Parker compared with the Maryland median for pulmonologists, 2019
- Dr. Parker
- Maryland median
- Medicare services
- 389vs 59234% below
- Part D claims
- 57vs 33483% below
Medians across 264 pulmonologists in Maryland with Dmand AI profiles that report each measure.
Dr. Parker's most billed Medicare procedure codes, 2019
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. Parker and other pulmonologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John E. Parker's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Parker's median patient age at 66, with 38% women.
Dr. Parker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women38%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. John E. Parker wrote 51 Medicare Part D claims in 2024
In 2024, Dr. Parker wrote 51 Medicare Part D claims. 100% of them were for generic drugs. They cover 4 drugs, with $29,690 in total drug cost. In 2018, CMS named 268 claims across 13 drugs.
Part D claims, 202451
Drugs named by CMS4
Total drug cost$29,690
Dr. Parker's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 2682019: 5779%
Drugs named by CMS: 4 in 2019, 13 in 2018.
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
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Dr. John E. Parker has 20 publications on record
Dmand AI links 20 papers to Dr. Parker, published from 2012 to 2024. 2023 was the busiest year, with 3. The most frequent topics are Pneumoconiosis, Clinical Competence and Occupational Exposure. Dr. Parker has published most often in Ind Health. Dr. Parker's most frequent co-authors are Andrew J. Ghio, MD, Rahul G. Sangani, MD and Edward L. Petsonk, MD.
Papers20
Years published2012 to 2024
Dr. Parker's papers by year, 2012 to 2024
Topics Dr. Parker writes about most
- Pneumoconiosis
- Clinical Competence
- Occupational Exposure
- Radiography, Thoracic
- Lung Neoplasms
- Certification
- Physicians
- Silicon Dioxide
Dr. Parker's most frequent co-authors
- Andrew J. Ghio, MD3 shared papers
- Rahul G. Sangani, MD3 shared papers
- Edward L. Petsonk, MD2 shared papers
Recent publications by Dr. Parker
Neurobiol Dis
DopamineGABAergic Neuronsgamma-Aminobutyric Acid
J Neurosci Methods
AlgorithmsGlobus Pallidus
CertificationClinical CompetencePneumoconiosis
Basal GangliaDopamineGlobus Pallidus
See who Dr. Parker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Parker works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John E. Parker received $282 in industry payments from 2016 to 2024
CMS Open Payments shows 3 general payments to Dr. Parker from 2 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $269.
General payments to Dr. Parker by program year, 2016 to 2024
Companies that paid Dr. Parker the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John E. Parker'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 Data |
| 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) |
| 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) |
| 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 E. Parker
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 E. Parker's NPI number?
Dr. John E. Parker's NPI number is 1952415069. It was assigned on August 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John E. Parker?
Dr. John E. Parker is a pulmonologist in Oakland, Maryland. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. John E. Parker practice?
Dr. Parker practices at 251 North Fourth Street, Oakland, MD 21550. Dr. Parker's primary practice is WVU Medicine Garrett Regional Medical Center in Oakland, Maryland, part of West Virginia University Health System.
What is Dr. John E. Parker's office phone number?
The practice phone on file for Dr. Parker is (301) 533-4173.
What is Dr. John E. Parker's medical license number?
Dr. Parker holds West Virginia license 14409.
Which hospitals is Dr. John E. Parker affiliated with?
Dr. Parker practices at WVU Medicine Garrett Regional Medical Center in Oakland, Maryland.
What medical group is Dr. John E. Parker part of?
Dr. Parker is linked to Davis Medical Center.
Does Dr. John E. Parker accept Medicare?
Yes. CMS data shows Dr. Parker billed Medicare for 389 services in 2019.
What services does Dr. John E. Parker bill to Medicare?
In 2019, Dr. Parker's most billed Medicare services were critical care (99291), critical care (99292) and office visit, established patient (99214).
What drugs does Dr. John E. Parker prescribe most?
In 2019 Medicare Part D data, Dr. Parker's most prescribed drugs by claims were Symbicort, Spiriva and Montelukast Sodium.
Show 4 more questionsShow fewer questions
Has Dr. John E. Parker received payments from drug or device companies?
CMS Open Payments shows $282 in general payments to Dr. Parker from 2 companies from 2016 to 2024. The largest total came from Abbott Laboratories.
How long has Dr. John E. Parker been practicing?
Dr. Parker's NPI was assigned in 2006.
Does Dr. John E. Parker do research?
Dmand AI links 20 publications to Dr. Parker, published from 2012 to 2024.
Who does Dr. John E. Parker publish with?
Dr. Parker's most frequent co-authors are Andrew J. Ghio, MD (3 shared papers), Rahul G. Sangani, MD (3 shared papers) and Edward L. Petsonk, MD (2 shared papers).
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