Dr. David Shaffer, MD
- Medicare services, 2024
- 71
- Medicare patients, 2024
- 100
- Part D claims, 2024
- 318
- Publications
- 28
- Clinical trials
- 1
- Practice address
- 1 Medical Center Boulevard, Cookeville, TN 38501
- Practice phone
- Call (931) 783-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Shaffer'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. David Shaffer is a general surgeon in Cookeville, Tennessee
Dr. Shaffer practices at Cookeville Regional Medical Center in Cookeville, Tennessee, part of The City of Cookeville.
Dr. Shaffer's NPI, 1942361373, was assigned on December 12, 2006. Dr. Shaffer graduated from Columbia University College of Physicians and Surgeons in 1982. Dr. Shaffer holds Tennessee license MD35206.
- NPI
- 1942361373NPI Registry (opens in a new tab)
- NPI enumeration date
- December 12, 2006
- NPI status
- Active
- Practice phone
- (931) 783-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David Shaffer practices at Cookeville Regional Medical Center in Cookeville, Tennessee
Dr. Shaffer's primary practice is Cookeville Regional Medical Center, at 1 Medical Center Boulevard, Cookeville, TN 38501 in Putnam County. The practice phone is (931) 783-2000.
- Cookeville Regional Medical Center1 Medical Center Boulevard, Cookeville, TN 38501 · Putnam CountyPhone(931) 783-2000
Source: Dmand AI Affiliation Data
Dr. David Shaffer is affiliated with 2 sites of care and 1 medical group
Dr. Shaffer's primary practice is Cookeville Regional Medical Center in Cookeville, Tennessee, part of The City of Cookeville. The medical group on file is Vanderbilt University Medical Center. Dmand AI also links Dr. Shaffer 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. David Shaffer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shaffer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cookeville Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across The City of Cookeville and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David Shaffer is one of 548 general surgeons in Tennessee
Surgery is Dr. Shaffer's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Shaffer is licensed in Tennessee.
Specialties and state licenses
- Surgery, TennesseePrimary
General surgeons near Dr. Shaffer
Counts of general 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. David Shaffer billed Medicare for 71 services in 2024
CMS data shows 71 Medicare services from Dr. Shaffer across 4 procedure codes in 2024, for 100 Medicare patients. Medicare paid $3,571 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Shaffer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1232024: 7142%
- Surgery
- 2023: 182024: 0100%
Dr. Shaffer compared with the Tennessee median for general surgeons, 2024
- Dr. Shaffer
- Tennessee median
- Medicare services
- 71vs 17459% below
- Medicare patients
- 100vs 12218% below
- Part D claims
- 261vs 525.0 times
Medians across 548 general surgeons in Tennessee with Dmand AI profiles that report each measure.
Dr. Shaffer'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shaffer and other general surgeons in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Shaffer treated 100 Medicare patients in 2024, average age 62
CMS counts 100 Medicare patients who saw Dr. Shaffer in 2024. The largest group is under 65, with 51 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 14% are also on Medicaid. Their average risk score is 7.53, 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. Shaffer's median patient age at 63, with 37% women.
Dr. Shaffer's Medicare patients by age, 2024
Dr. Shaffer's Medicare patients by sex, 2024
- Women3535%
- Men6565%
Chronic conditions among Dr. Shaffer's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes59%
- Heart failure48%
- Ischemic heart disease47%
- Arthritis38%
- Mood disorders34%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shaffer'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
- Women37%
- Men63%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Shaffer wrote 318 Medicare Part D claims in 2024
In 2024, Dr. Shaffer wrote 318 Medicare Part D claims for 44 patients. 98% of them were for generic drugs. CMS names the drug for 261 of them, across 5 drugs with 11 or more claims each, at $10,736 in total drug cost. In 2023, CMS named 229 claims across 6 drugs.
Dr. Shaffer's Part D claims by kind of drug, 2024
- Generic311 claims98%
- Brand-name and other7 claims2%
Dr. Shaffer'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. Shaffer's Part D claims, 2024
- Antibiotics29%91 of 318 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: 2292024: 26114%
Drugs named by CMS: 5 in 2024, 6 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
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Dr. David Shaffer has 28 publications on record
Dmand AI links 28 papers to Dr. Shaffer, published from 2012 to 2025. 2016 was the busiest year, with 3. The most frequent topics are Kidney Transplantation, Graft Survival and Kidney Failure, Chronic. Dr. Shaffer has published most often in Clin Transplant. Dr. Shaffer's most frequent co-authors are Rachel Forbes, MD, Beatrice L. Concepcion, MD and Bernard John Dubray, MD.
Dr. Shaffer's papers by year, 2015 to 2025
Topics Dr. Shaffer writes about most
- Kidney Transplantation
- Graft Survival
- Kidney Failure, Chronic
- Tissue Donors
- ABO Blood-Group System
- Blood Group Incompatibility
- Hepacivirus
- Hepatitis C
Dr. Shaffer's most frequent co-authors
- Rachel Forbes, MD18 shared papers
- Beatrice L. Concepcion, MD10 shared papers
- Bernard John Dubray, MD6 shared papers
Recent publications by Dr. Shaffer
Transplant Proc
Am Surg
Transpl Infect Dis
See who Dr. Shaffer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shaffer works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. David Shaffer has worked on 1 clinical trial
Dmand AI links Dr. Shaffer to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Kidney Failure, Chronic and Renal Insufficiency, Chronic.
Conditions in Dr. Shaffer's trials
- Kidney Failure, Chronic
- Renal Insufficiency, Chronic
Investigators on the most trials with Dr. Shaffer
- Raymond T. Chung, MD1 shared trial
- Christine Marie Durand1 shared trial
- Peter Philip Reese, MD1 shared trial
Recent clinical trials with Dr. Shaffer
A Trial of Transplanting Hepatitis C Kidneys Into Hepatitis C-Negative Kidney Recipients (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. David Shaffer received $65 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Shaffer from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Covidien LP paid the most, $65.
Companies that paid Dr. Shaffer the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Shaffer graduated from Columbia University College of Physicians and Surgeons
Dr. Shaffer graduated from Columbia University College of Physicians and Surgeons in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Shaffer'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. David Shaffer
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. David Shaffer's NPI number?
Dr. David Shaffer's NPI number is 1942361373. It was assigned on December 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Shaffer?
Dr. David Shaffer is a general surgeon in Cookeville, Tennessee. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David Shaffer practice?
Dr. Shaffer practices at 1 Medical Center Boulevard, Cookeville, TN 38501. Dr. Shaffer's primary practice is Cookeville Regional Medical Center in Cookeville, Tennessee, part of The City of Cookeville. Dmand AI also links Dr. Shaffer to 1 group practice or clinic.
What is Dr. David Shaffer's office phone number?
The practice phone on file for Dr. Shaffer is (931) 783-2000.
What is Dr. David Shaffer's medical license number?
Dr. Shaffer holds Tennessee license MD35206.
Which hospitals is Dr. David Shaffer affiliated with?
Dr. Shaffer practices at Cookeville Regional Medical Center in Cookeville, Tennessee.
What medical group is Dr. David Shaffer part of?
Dr. Shaffer is linked to Vanderbilt University Medical Center.
Does Dr. David Shaffer accept Medicare?
Yes. CMS data shows Dr. Shaffer billed Medicare for 71 services in 2024.
How many Medicare patients does Dr. David Shaffer see?
CMS counts 100 Medicare patients who saw Dr. Shaffer in 2024, with an average age of 62.
What services does Dr. David Shaffer bill to Medicare?
In 2024, Dr. Shaffer's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99232) and office visit, established patient (99213).
Show 6 more questionsShow fewer questions
Where did Dr. David Shaffer go to medical school?
Dr. Shaffer graduated from Columbia University College of Physicians and Surgeons in 1982.
What drugs does Dr. David Shaffer prescribe most?
In 2024 Medicare Part D data, Dr. Shaffer's most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim, Valganciclovir HCl and Nystatin.
Has Dr. David Shaffer received payments from drug or device companies?
CMS Open Payments shows $65 in general payments to Dr. Shaffer from 1 company from 2017 to 2017. The largest total came from Covidien LP.
How long has Dr. David Shaffer been practicing?
Dr. Shaffer graduated from medical school in 1982, 44 years ago.
Does Dr. David Shaffer do research?
Dmand AI links 28 publications to Dr. Shaffer, published from 2012 to 2025. Dr. Shaffer has worked on 1 clinical trial.
Who does Dr. David Shaffer publish with?
Dr. Shaffer's most frequent co-authors are Rachel Forbes, MD (18 shared papers), Beatrice L. Concepcion, MD (10 shared papers) and Bernard John Dubray, MD (6 shared papers).
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