Dr. John Philip Mesmer, MD

  • Knoxville, TN
  • Emergency medicine physician
NPI1518914951PAC ID0941265508
Medicare services, 2024
734
Medicare patients, 2024
694
Part D claims, 2024
507
MIPS score, 2024
75
Hospital affiliations
2
Practice address
9352 Park West Blvd, Knoxville, TN 37923
Practice phone
Call (865) 970-1001
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Covenant Health Parkwest

Hospital · Knoxville, Tennessee

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Dr. John Philip Mesmer is an emergency medicine physician in Knoxville, Tennessee

Dr. Mesmer practices at Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health.

Dr. Mesmer's NPI, 1518914951, was assigned on May 30, 2006. Dr. Mesmer graduated from University of Tennessee, Hsc, College of Medicine in 1988. Dr. Mesmer holds Tennessee license 020154.

NPI and contact details
Medicare PAC ID
0941265508
NPI enumeration date
May 30, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(865) 970-1001
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. John Philip Mesmer practices at Covenant Health Parkwest in Knoxville, Tennessee

Dr. Mesmer's primary practice is Covenant Health Parkwest, at 9352 Park West Blvd, Knoxville, TN 37923 in Knox County. The practice phone is (865) 970-1001.

Source: Dmand AI Affiliation Data

Dr. John Philip Mesmer is affiliated with 2 sites of care and 1 medical group

Dr. Mesmer's primary practice is Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health. Dr. Mesmer is also affiliated with Methodist Medical Center of Oak Ridge. The medical group on file is Southeastern Emergency Physicians.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. John Philip Mesmer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mesmer practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Covenant Health ParkwestAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. John Philip Mesmer is one of 1,088 emergency medicine physicians in Tennessee

Emergency medicine is Dr. Mesmer's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Mesmer is licensed in Tennessee.

Specialties and state licenses

  • Emergency medicine, TennesseePrimaryLicense 020154 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Mesmer

Counts of emergency medicine physicians 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 Philip Mesmer billed Medicare for 734 services in 2024

CMS data shows 734 Medicare services from Dr. Mesmer across 4 procedure codes in 2024, for 694 Medicare patients. Medicare paid $82,833 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024734
Medicare patients694
Paid by Medicare$82,833
Procedure codes4

Dr. Mesmer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 6632024: 73411%

Dr. Mesmer compared with the Tennessee median for emergency medicine physicians, 2024

  • Dr. Mesmer
  • Tennessee median
Medicare services
734vs 2662.8 times
Medicare patients
694vs 2572.7 times
Part D claims
316vs 933.4 times

Medians across 1,079 emergency medicine physicians in Tennessee with Dmand AI profiles that report each measure.

Dr. Mesmer'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.

See all procedures by Dr. Mesmer

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mesmer and other emergency medicine physicians in Tennessee.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. John Philip Mesmer treated 694 Medicare patients in 2024, average age 76

CMS counts 694 Medicare patients who saw Dr. Mesmer in 2024. The largest group is 75 to 84, with 283 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.95, 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. Mesmer's median patient age at 60, with 58% women.

Medicare patients, 2024694
Average age76
Average risk score1.95
Also on Medicaid11%

Dr. Mesmer's Medicare patients by age, 2024

Dr. Mesmer's Medicare patients by sex, 2024

  • Women38956%
  • Men30544%

Chronic conditions among Dr. Mesmer's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis64%
  4. Ischemic heart disease44%
  5. Anxiety43%
  6. Mood disorders43%
  7. Chronic kidney disease40%
  8. Depression40%

Share of Medicare patients with each condition. A patient can have several.

Dr. Mesmer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women58%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. John Philip Mesmer wrote 507 Medicare Part D claims in 2024

In 2024, Dr. Mesmer wrote 507 Medicare Part D claims for 333 patients. 95% of them were for generic drugs. CMS names the drug for 316 of them, across 12 drugs with 11 or more claims each, at $1,874 in total drug cost. In 2023, CMS named 383 claims across 13 drugs.

Part D claims, 2024507
Drugs named by CMS12
Total drug cost$1,874
Part D patients333

Dr. Mesmer's Part D claims by kind of drug, 2024

  • Generic482 claims95%
  • Brand-name and other25 claims5%

Dr. Mesmer'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. Mesmer's Part D claims, 2024

  • Opioids20%100 of 507 claims
  • Antibiotics25%128 of 507 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: 3832024: 31617%

Drugs named by CMS: 12 in 2024, 13 in 2023.

See all prescribing by Dr. Mesmer

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 Philip Mesmer scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Mesmer for performance year 2024, reported individually. Dr. Mesmer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. John Philip Mesmer received $37 in industry payments from 2016 to 2018

CMS Open Payments shows 2 general payments to Dr. Mesmer from 2 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. ERMI Inc. paid the most, $19.

General payments to Dr. Mesmer by program year, 2016 to 2018

Companies that paid Dr. Mesmer the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Mesmer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. John Philip Mesmer graduated from University of Tennessee, Hsc, College of Medicine

Dr. Mesmer graduated from University of Tennessee, Hsc, College of Medicine in 1988.

  1. Medical schoolUniversity of Tennessee, Hsc, College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. John Philip Mesmer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. John Philip Mesmer

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 Philip Mesmer's NPI number?

Dr. John Philip Mesmer's NPI number is 1518914951. It was assigned on May 30, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. John Philip Mesmer?

Dr. John Philip Mesmer is an emergency medicine physician in Knoxville, Tennessee. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. John Philip Mesmer practice?

Dr. Mesmer practices at 9352 Park West Blvd, Knoxville, TN 37923. Dr. Mesmer's primary practice is Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health.

What is Dr. John Philip Mesmer's office phone number?

The practice phone on file for Dr. Mesmer is (865) 970-1001.

What is Dr. John Philip Mesmer's medical license number?

Dr. Mesmer holds Tennessee license 020154.

Which hospitals is Dr. John Philip Mesmer affiliated with?

Dr. Mesmer practices at Covenant Health Parkwest in Knoxville, Tennessee. Dr. Mesmer is also affiliated with Methodist Medical Center of Oak Ridge.

What medical group is Dr. John Philip Mesmer part of?

Dr. Mesmer is linked to Southeastern Emergency Physicians.

Does Dr. John Philip Mesmer accept Medicare?

Yes. CMS data shows Dr. Mesmer billed Medicare for 734 services in 2024, and Dr. Mesmer accepts Medicare assignment.

What is Dr. John Philip Mesmer's MIPS score?

Dr. Mesmer's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Dr. John Philip Mesmer see?

CMS counts 694 Medicare patients who saw Dr. Mesmer in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. John Philip Mesmer bill to Medicare?

In 2024, Dr. Mesmer's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).

Where did Dr. John Philip Mesmer go to medical school?

Dr. Mesmer graduated from University of Tennessee, Hsc, College of Medicine in 1988.

What drugs does Dr. John Philip Mesmer prescribe most?

In 2024 Medicare Part D data, Dr. Mesmer's most prescribed drugs by claims were Prednisone, Ondansetron ODT and Hydrocodone-Acetaminophen.

Has Dr. John Philip Mesmer received payments from drug or device companies?

CMS Open Payments shows $37 in general payments to Dr. Mesmer from 2 companies from 2016 to 2018. The largest total came from ERMI Inc.

How long has Dr. John Philip Mesmer been practicing?

Dr. Mesmer graduated from medical school in 1988, 38 years ago.

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