Dr. Warren C. Hammert, MD
- Medicare services, 2024
- 548
- Medicare patients, 2024
- 220
- Part D claims, 2024
- 27
- Hospital affiliations
- 2
- Industry payments
- $39,548
- Practice address
- 2351 Erwin Rd, Durham, NC 27705
- Practice phone
- Call (919) 620-4855
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Duke Health Integrated Practice, Inc.
Durham, North Carolina
Find Dr. Hammert'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. Warren C. Hammert is a plastic surgeon in Durham, North Carolina
Dr. Hammert practices at Duke Health Integrated Practice, Inc. in Durham, North Carolina.
Dr. Hammert's NPI, 1710940788, was assigned on April 10, 2006. Dr. Hammert holds New York license 220561.
- NPI
- 1710940788NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5193739076
- NPI enumeration date
- April 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 620-4855
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Warren C. Hammert practices at Duke Health Integrated Practice, Inc. in Durham, North Carolina
Dr. Hammert's primary practice is Duke Health Integrated Practice, Inc., at 2351 Erwin Rd, Durham, NC 27705 in Durham County. The practice phone is (919) 620-4855.
- Duke Health Integrated Practice, Inc.2351 Erwin Rd, Durham, NC 27705 · Durham CountyPhone(919) 620-4855
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Warren C. Hammert is affiliated with 3 sites of care and 1 medical group
Dr. Hammert's primary practice is Duke Health Integrated Practice, Inc. in Durham, North Carolina. Dr. Hammert is also affiliated with Duke University Hospital. The medical group on file is Duke Health Integrated Practice. Dmand AI also links Dr. Hammert to 1 more hospital, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Warren C. Hammert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hammert practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duke Health Integrated Practice, Inc. | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Warren C. Hammert is one of 137 plastic surgeons in North Carolina
Plastic surgery is Dr. Hammert's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Hammert is licensed in New York.
Specialties and state licenses
- Plastic surgery, New YorkPrimary
Plastic surgeons near Dr. Hammert
Counts of plastic surgeons 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. Warren C. Hammert billed Medicare for 548 services in 2024
CMS data shows 548 Medicare services from Dr. Hammert across 9 procedure codes in 2024, for 220 Medicare patients. Medicare paid $43,834 for them.
Dr. Hammert's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2442024: 30425%
- Drugs given in the office
- 2023: 922024: 13547%
- Surgery
- 2023: 722024: 10951%
Where Dr. Hammert's Medicare services took place, 2024
- In an office51694%
- In a facility326%
Dr. Hammert compared with the North Carolina median for plastic surgeons, 2024
- Dr. Hammert
- North Carolina median
- Medicare services
- 548vs 668.3 times
- Medicare patients
- 220vs 653.4 times
- Part D claims
- 15vs 2744% below
Medians across 120 plastic surgeons in North Carolina with Dmand AI profiles that report each measure.
Dr. Hammert'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. Hammert?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hammert and other plastic surgeons in North Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Warren C. Hammert treated 220 Medicare patients in 2024, average age 72
CMS counts 220 Medicare patients who saw Dr. Hammert in 2024. The largest group is 65 to 74, with 113 patients. 71% of them have high cholesterol, and 70% have arthritis. 11% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hammert's median patient age at 63, with 65% women.
Dr. Hammert's Medicare patients by age, 2024
Dr. Hammert's Medicare patients by sex, 2024
- Women13461%
- Men8639%
Chronic conditions among Dr. Hammert's Medicare patients, 2024
- High cholesterol71%
- Arthritis70%
- High blood pressure67%
- Mood disorders28%
- Diabetes26%
- Depression25%
- Anxiety24%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hammert's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women65%
- Men34%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Warren C. Hammert wrote 27 Medicare Part D claims in 2024
In 2024, Dr. Hammert wrote 27 Medicare Part D claims for 25 patients. 100% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $43 in total drug cost. In 2023, CMS named 12 claims across 1 drug.
Dr. Hammert'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. Hammert's Part D claims, 2024
- Opioids74%20 of 27 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: 122024: 1525%
Drugs named by CMS: 1 in 2024, 1 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
Dr. Warren C. Hammert ranks in the 55th percentile for upper limb (arm) arthroscopy (minimally invasive joint repair) in Medicare
Dr. Hammert accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Hammert, more than 55% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Hammert ranks in Medicare procedure volume
- Upper limb (arm) arthroscopy (minimally invasive joint repair)
- 55th percentile15 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Warren C. Hammert received $39,548 in industry payments from 2016 to 2025
CMS Open Payments shows 80 general payments to Dr. Hammert from 18 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 43% of the total. TriMed, Inc. paid the most, $19,391. It also lists 16 research payments totaling $26,400 from 2023 to 2025.
General payments to Dr. Hammert by program year, 2016 to 2025
General payments to Dr. Hammert by kind, 2016 to 2025
- Consulting fees$17,13343%
- Food and beverage$9,90825%
- Travel and lodging$6,17616%
- Compensation for serving as faculty or as a speaker for a medical education program$6,00015%
- Other$3301%
Companies that paid Dr. Hammert the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Warren C. Hammert'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (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. Warren C. Hammert
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. Warren C. Hammert's NPI number?
Dr. Warren C. Hammert's NPI number is 1710940788. It was assigned on April 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Warren C. Hammert?
Dr. Warren C. Hammert is a plastic surgeon in Durham, North Carolina. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Warren C. Hammert practice?
Dr. Hammert practices at 2351 Erwin Rd, Durham, NC 27705. Dr. Hammert's primary practice is Duke Health Integrated Practice, Inc. in Durham, North Carolina. Dmand AI also links Dr. Hammert to 1 hospital.
What is Dr. Warren C. Hammert's office phone number?
The practice phone on file for Dr. Hammert is (919) 620-4855.
What is Dr. Warren C. Hammert's medical license number?
Dr. Hammert holds New York license 220561.
Which hospitals is Dr. Warren C. Hammert affiliated with?
Dr. Hammert is affiliated with Duke University Hospital. Dmand AI links Dr. Hammert to 1 more hospital.
What medical group is Dr. Warren C. Hammert part of?
Dr. Hammert is linked to Duke Health Integrated Practice.
Does Dr. Warren C. Hammert accept Medicare?
Yes. CMS data shows Dr. Hammert billed Medicare for 548 services in 2024, and Dr. Hammert accepts Medicare assignment.
How many Medicare patients does Dr. Warren C. Hammert see?
CMS counts 220 Medicare patients who saw Dr. Hammert in 2024, with an average age of 72.
What services does Dr. Warren C. Hammert bill to Medicare?
In 2024, Dr. Hammert's most billed Medicare services were injected or infused drug (J0702), office visit, established patient (99214) and office visit, established patient (99213).
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What drugs does Dr. Warren C. Hammert prescribe most?
In 2024 Medicare Part D data, Dr. Hammert's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Warren C. Hammert received payments from drug or device companies?
CMS Open Payments shows $39,548 in general payments to Dr. Hammert from 18 companies from 2016 to 2025. The largest total came from TriMed, Inc.
How long has Dr. Warren C. Hammert been practicing?
Dr. Hammert graduated from medical school in 1993, 33 years ago.
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