Dr. John Coleman Westerkamm, MD
- Medicare services, 2024
- 1,675
- Medicare patients, 2024
- 272
- Part D claims, 2024
- 515
- Hospital affiliations
- 2
- Industry payments
- $725
- Practice address
- 793 Weatherly Drive, Clarksville, TN 37043
- Practice phone
- Call (931) 645-1373
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Thomas Surgery Center Clarksville
Surgery Center - Medicare-Certified · Clarksville, Tennessee
Find Dr. Westerkamm'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 Coleman Westerkamm is an otolaryngologist in Clarksville, Tennessee
Dr. Westerkamm practices at St. Thomas Surgery Center Clarksville in Clarksville, Tennessee.
Dr. Westerkamm's NPI, 1104812478, was assigned on September 22, 2005. Dr. Westerkamm graduated from University of Cincinnati College of Medicine in 1983. Dr. Westerkamm holds Tennessee license 44369.
- NPI
- 1104812478NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6507805223
- NPI enumeration date
- September 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (931) 645-1373
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Coleman Westerkamm practices at St. Thomas Surgery Center Clarksville in Clarksville, Tennessee
Dr. Westerkamm's primary practice is St. Thomas Surgery Center Clarksville, at 793 Weatherly Drive, Clarksville, TN 37043. The practice phone is (931) 645-1373.
- St. Thomas Surgery Center Clarksville793 Weatherly Drive, Clarksville, TN 37043Phone(931) 645-1373
Source: Dmand AI Affiliation Data
Dr. John Coleman Westerkamm is affiliated with 4 sites of care
Dr. Westerkamm's primary practice is St. Thomas Surgery Center Clarksville in Clarksville, Tennessee. Dr. Westerkamm is also affiliated with Vanderbilt Clarksville Hospital. Dmand AI also links Dr. Westerkamm to 1 more hospital and 1 physician office, 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 Coleman Westerkamm's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Westerkamm practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Thomas Surgery Center Clarksville | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Coleman Westerkamm is one of 171 otolaryngologists in Tennessee
Otolaryngology is Dr. Westerkamm's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Westerkamm is licensed in Tennessee.
Specialties and state licenses
- Otolaryngology, TennesseePrimary
Otolaryngologists near Dr. Westerkamm
Counts of otolaryngologists 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 Coleman Westerkamm billed Medicare for 1,675 services in 2024
CMS data shows 1,675 Medicare services from Dr. Westerkamm across 6 procedure codes in 2024, for 272 Medicare patients. Medicare paid $43,589 for them. Every service was in an office.
Dr. Westerkamm's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1,3912024: 1,22112%
- Office and hospital visits
- 2023: 3172024: 38020%
- Surgery
- 2023: 492024: 7451%
Dr. Westerkamm compared with the Tennessee median for otolaryngologists, 2024
- Dr. Westerkamm
- Tennessee median
- Medicare services
- 1,675vs 97871% above
- Medicare patients
- 272vs 33619% below
- Part D claims
- 421vs 28846% above
Medians across 186 otolaryngologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Westerkamm'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. Westerkamm?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Westerkamm and other otolaryngologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Coleman Westerkamm treated 272 Medicare patients in 2024, average age 73
CMS counts 272 Medicare patients who saw Dr. Westerkamm in 2024. The largest group is 65 to 74, with 149 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Westerkamm's median patient age at 38, with 53% women.
Dr. Westerkamm's Medicare patients by age, 2024
Dr. Westerkamm's Medicare patients by sex, 2024
- Women17063%
- Men10238%
Chronic conditions among Dr. Westerkamm's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes31%
- Mood disorders28%
- Depression25%
- Anxiety24%
- Ischemic heart disease24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Westerkamm's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Coleman Westerkamm wrote 515 Medicare Part D claims in 2024
In 2024, Dr. Westerkamm wrote 515 Medicare Part D claims for 180 patients. 95% of them were for generic drugs. CMS names the drug for 421 of them, across 10 drugs with 11 or more claims each, at $10,838 in total drug cost. In 2023, CMS named 365 claims across 12 drugs.
Dr. Westerkamm's Part D claims by kind of drug, 2024
- Generic491 claims95%
- Brand-name and other24 claims5%
Dr. Westerkamm'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. Westerkamm's Part D claims, 2024
- Antibiotics10%49 of 515 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: 3652024: 42115%
Drugs named by CMS: 10 in 2024, 12 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
How Dr. John Coleman Westerkamm takes part in Medicare
Dr. Westerkamm 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Coleman Westerkamm received $725 in industry payments from 2020 to 2025
CMS Open Payments shows 18 general payments to Dr. Westerkamm from 9 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Aerin Medical Inc. paid the most, $328.
General payments to Dr. Westerkamm by program year, 2020 to 2025
Companies that paid Dr. Westerkamm the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Coleman Westerkamm graduated from University of Cincinnati College of Medicine
Dr. Westerkamm graduated from University of Cincinnati College of Medicine in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Coleman Westerkamm'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) |
| 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 Coleman Westerkamm
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 Coleman Westerkamm's NPI number?
Dr. John Coleman Westerkamm's NPI number is 1104812478. It was assigned on September 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Coleman Westerkamm?
Dr. John Coleman Westerkamm is an otolaryngologist in Clarksville, Tennessee. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. John Coleman Westerkamm practice?
Dr. Westerkamm practices at 793 Weatherly Drive, Clarksville, TN 37043. Dr. Westerkamm's primary practice is St. Thomas Surgery Center Clarksville in Clarksville, Tennessee. Dmand AI also links Dr. Westerkamm to 1 hospital and 1 physician office.
What is Dr. John Coleman Westerkamm's office phone number?
The practice phone on file for Dr. Westerkamm is (931) 645-1373.
What is Dr. John Coleman Westerkamm's medical license number?
Dr. Westerkamm holds Tennessee license 44369.
Which hospitals is Dr. John Coleman Westerkamm affiliated with?
Dr. Westerkamm is affiliated with Vanderbilt Clarksville Hospital. Dmand AI links Dr. Westerkamm to 1 more hospital.
Does Dr. John Coleman Westerkamm accept Medicare?
Yes. CMS data shows Dr. Westerkamm billed Medicare for 1,675 services in 2024, and Dr. Westerkamm accepts Medicare assignment.
How many Medicare patients does Dr. John Coleman Westerkamm see?
CMS counts 272 Medicare patients who saw Dr. Westerkamm in 2024, with an average age of 73.
What services does Dr. John Coleman Westerkamm bill to Medicare?
In 2024, Dr. Westerkamm's most billed Medicare services were allergy test or treatment (95165), allergy test or treatment (95117) and office visit, established patient (99213).
Where did Dr. John Coleman Westerkamm go to medical school?
Dr. Westerkamm graduated from University of Cincinnati College of Medicine in 1983.
Show 3 more questionsShow fewer questions
What drugs does Dr. John Coleman Westerkamm prescribe most?
In 2024 Medicare Part D data, Dr. Westerkamm's most prescribed drugs by claims were Ipratropium Bromide, Prednisone and Methylprednisolone.
Has Dr. John Coleman Westerkamm received payments from drug or device companies?
CMS Open Payments shows $725 in general payments to Dr. Westerkamm from 9 companies from 2020 to 2025. The largest total came from Aerin Medical Inc.
How long has Dr. John Coleman Westerkamm been practicing?
Dr. Westerkamm graduated from medical school in 1983, 43 years ago.
Selling to otolaryngology practices?
See otolaryngologists in Tennessee by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card