Dr. John Thomas Lemm, MD
- Medicare services, 2017
- 148
- Hospital affiliations
- 1
- Industry payments
- $29
- Medical group
- 1
- State license
- 1
- Practice address
- 2301 Erwin Rd, Durham, NC 27705
- Practice phone
- Call (919) 684-8111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lemm'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 Thomas Lemm is an anesthesiologist in Durham, North Carolina
Dr. Lemm practices at Duke University Hospital in Durham, North Carolina, part of Duke University.
Dr. Lemm's NPI, 1487820833, was assigned on May 6, 2008. Dr. Lemm graduated from University of Texas Southwestern Medical School at Dallas in 2008. Dr. Lemm holds North Carolina license 2012-01746.
- NPI
- 1487820833NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537303565
- NPI enumeration date
- May 6, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 684-8111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Thomas Lemm practices at Duke University Hospital in Durham, North Carolina
Dr. Lemm's primary practice is Duke University Hospital, at 2301 Erwin Rd, Durham, NC 27705 in Durham County. The practice phone is (919) 684-8111.
- Duke University Hospital2301 Erwin Rd, Durham, NC 27705 · Durham CountyPhone(919) 684-8111
Source: Dmand AI Affiliation Data
Dr. John Thomas Lemm is affiliated with 2 sites of care and 1 medical group
Dr. Lemm's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. The medical group on file is Duke Health Integrated Practice. Dmand AI also links Dr. Lemm 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 Thomas Lemm's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lemm practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duke University Hospital | Available with a free account |
| +1 more affiliated site | 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 Duke University and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Thomas Lemm is one of 1,269 anesthesiologists in North Carolina
Anesthesiology is Dr. Lemm's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Lemm is licensed in North Carolina.
Specialties and state licenses
- Anesthesiology, North CarolinaPrimary
Anesthesiologists near Dr. Lemm
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 Thomas Lemm billed Medicare for 148 services in 2017
CMS data shows 148 Medicare services from Dr. Lemm across 5 procedure codes in 2017. Medicare paid $11,580 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lemm's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Anesthesia
- 2016: 832017: 7312%
- Office and hospital visits
- 2016: 1372017: 5163%
- Surgery
- 2016: 212017: 2414%
Dr. Lemm compared with the North Carolina median for anesthesiologists, 2017
- Dr. Lemm
- North Carolina median
- Medicare services
- 148vs 11331% above
Medians across 1,251 anesthesiologists in North Carolina with Dmand AI profiles that report each measure.
Dr. Lemm'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.
Need commercial claims for Dr. Lemm?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lemm and other anesthesiologists in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Thomas Lemm's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Lemm's median patient age at 58, with 45% women.
Dr. Lemm's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
How Dr. John Thomas Lemm takes part in Medicare
Dr. Lemm 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
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Dr. John Thomas Lemm received $29 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Lemm from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. La Jolla Pharmaceutical Company paid the most, $29.
Companies that paid Dr. Lemm the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Thomas Lemm graduated from University of Texas Southwestern Medical School at Dallas
Dr. Lemm graduated from University of Texas Southwestern Medical School at Dallas in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Thomas Lemm'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 |
| 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 Thomas Lemm
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 Thomas Lemm's NPI number?
Dr. John Thomas Lemm's NPI number is 1487820833. It was assigned on May 6, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. John Thomas Lemm?
Dr. John Thomas Lemm is an anesthesiologist in Durham, North Carolina. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John Thomas Lemm practice?
Dr. Lemm practices at 2301 Erwin Rd, Durham, NC 27705. Dr. Lemm's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dmand AI also links Dr. Lemm to 1 group practice or clinic.
What is Dr. John Thomas Lemm's office phone number?
The practice phone on file for Dr. Lemm is (919) 684-8111.
What is Dr. John Thomas Lemm's medical license number?
Dr. Lemm holds North Carolina license 2012-01746.
Which hospitals is Dr. John Thomas Lemm affiliated with?
Dr. Lemm practices at Duke University Hospital in Durham, North Carolina.
What medical group is Dr. John Thomas Lemm part of?
Dr. Lemm is linked to Duke Health Integrated Practice.
Does Dr. John Thomas Lemm accept Medicare?
Yes. CMS data shows Dr. Lemm billed Medicare for 148 services in 2017, and Dr. Lemm accepts Medicare assignment.
What services does Dr. John Thomas Lemm bill to Medicare?
In 2017, Dr. Lemm's most billed Medicare services were anesthesia (00740), anesthesia (00810) and hospital inpatient care (99233).
Where did Dr. John Thomas Lemm go to medical school?
Dr. Lemm graduated from University of Texas Southwestern Medical School at Dallas in 2008.
Has Dr. John Thomas Lemm received payments from drug or device companies?
CMS Open Payments shows $29 in general payments to Dr. Lemm from 1 company from 2018 to 2018. The largest total came from La Jolla Pharmaceutical Company.
How long has Dr. John Thomas Lemm been practicing?
Dr. Lemm graduated from medical school in 2008, 18 years ago.
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