Dr. William D. Trainor, MD
- Medicare services, 2017
- 62
- Part D claims, 2017
- 12
- Industry payments
- $760
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 122 Speer Rd, Chestertown, MD 21620-1033
- Practice phone
- Call (410) 778-0200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Internal Medicine Associates
Multi-specialty group site · Chestertown, Maryland
Find Dr. Trainor'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. William D. Trainor is a pulmonologist in Chestertown, Maryland
Dr. Trainor practices at Internal Medicine Associates in Chestertown, Maryland.
Dr. Trainor's NPI, 1134123771, was assigned on June 10, 2005. Dr. Trainor holds Maryland license D0026789.
- NPI
- 1134123771NPI Registry (opens in a new tab)
- NPI enumeration date
- June 10, 2005
- NPI status
- Active
- Practice phone
- (410) 778-0200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William D. Trainor practices at Internal Medicine Associates in Chestertown, Maryland
Dr. Trainor's primary practice is Internal Medicine Associates, at 122 Speer Rd, Chestertown, MD 21620-1033. The practice phone is (410) 778-0200.
- Internal Medicine Associates122 Speer Rd, Chestertown, MD 21620-1033Phone(410) 778-0200
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William D. Trainor is affiliated with 1 site of care and 1 medical group
Dr. Trainor's primary practice is Internal Medicine Associates in Chestertown, Maryland. Dmand AI also links Dr. Trainor to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. William D. Trainor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Trainor practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Internal Medicine Associates | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William D. Trainor is one of 281 pulmonologists in Maryland
Pulmonary disease is Dr. Trainor's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Trainor is licensed in Maryland.
Specialties and state licenses
- Pulmonary disease, MarylandPrimary
Pulmonologists near Dr. Trainor
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. William D. Trainor billed Medicare for 62 services in 2017
CMS data shows 62 Medicare services from Dr. Trainor across 1 procedure code in 2017, all of them office visits. Medicare paid $4,984 for them. Every service was in an office.
Dr. Trainor's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 4272017: 6285%
Dr. Trainor compared with the Maryland median for pulmonologists, 2017
- Dr. Trainor
- Maryland median
- Medicare services
- 62vs 59290% below
- Part D claims
- 12vs 33496% below
Medians across 264 pulmonologists in Maryland with Dmand AI profiles that report each measure.
Dr. Trainor's most billed Medicare procedure codes, 2017
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. Trainor and other pulmonologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William D. Trainor's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Trainor's median patient age at 64, with 50% women.
Dr. Trainor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. William D. Trainor wrote 12 Medicare Part D claims in 2017
In 2017, Dr. Trainor wrote 12 Medicare Part D claims. They cover 1 drug, with $723 in total drug cost. In 2016, CMS named 131 claims across 8 drugs.
Dr. Trainor's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 1312017: 1291%
Drugs named by CMS: 1 in 2017, 8 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. William D. Trainor received $760 in industry payments from 2016 to 2018
CMS Open Payments shows 33 general payments to Dr. Trainor from 13 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Covidien Sales LLC paid the most, $131.
General payments to Dr. Trainor by program year, 2016 to 2018
Companies that paid Dr. Trainor the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William D. Trainor'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| 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. William D. Trainor
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. William D. Trainor's NPI number?
Dr. William D. Trainor's NPI number is 1134123771. It was assigned on June 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William D. Trainor?
Dr. William D. Trainor is a pulmonologist in Chestertown, Maryland. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. William D. Trainor practice?
Dr. Trainor practices at 122 Speer Rd, Chestertown, MD 21620-1033. Dr. Trainor's primary practice is Internal Medicine Associates in Chestertown, Maryland. Dmand AI also links Dr. Trainor to 1 medical group.
What is Dr. William D. Trainor's office phone number?
The practice phone on file for Dr. Trainor is (410) 778-0200.
What is Dr. William D. Trainor's medical license number?
Dr. Trainor holds Maryland license D0026789.
Does Dr. William D. Trainor accept Medicare?
Yes. CMS data shows Dr. Trainor billed Medicare for 62 services in 2017.
What services does Dr. William D. Trainor bill to Medicare?
In 2017, Dr. Trainor's most billed Medicare services were office visit, established patient (99214).
What drugs does Dr. William D. Trainor prescribe most?
In 2017 Medicare Part D data, Dr. Trainor's most prescribed drugs by claims were Proair Hfa.
Has Dr. William D. Trainor received payments from drug or device companies?
CMS Open Payments shows $760 in general payments to Dr. Trainor from 13 companies from 2016 to 2018. The largest total came from Covidien Sales LLC.
How long has Dr. William D. Trainor been practicing?
Dr. Trainor's NPI was assigned in 2005.
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