Dr. Chrystal G. Clamp, MD
- Medicare services, 2024
- 436
- Medicare patients, 2024
- 228
- Part D claims, 2024
- 5,055
- Hospital affiliations
- 4
- Industry payments
- $14,759
- Practice address
- 2300 Patterson Street, Nashville, TN 37203
- Practice phone
- Call (615) 342-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Clamp'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. Chrystal G. Clamp is an internist in Nashville, Tennessee
Dr. Clamp practices at TriStar Centennial Medical Center in Nashville, Tennessee, part of HCA Healthcare.
Dr. Clamp's NPI, 1265426050, was assigned on September 7, 2005. Dr. Clamp graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 2002. Dr. Clamp holds Florida license 168018.
- NPI
- 1265426050NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850329913
- NPI enumeration date
- September 7, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (615) 342-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chrystal G. Clamp practices at TriStar Centennial Medical Center in Nashville, Tennessee
Dr. Clamp's primary practice is TriStar Centennial Medical Center, at 2300 Patterson Street, Nashville, TN 37203 in Davidson County. The practice phone is (615) 342-1000.
- TriStar Centennial Medical Center2300 Patterson Street, Nashville, TN 37203 · Davidson CountyPhone(615) 342-1000
Source: Dmand AI Affiliation Data
Dr. Chrystal G. Clamp is affiliated with 6 sites of care and 2 medical groups
Dr. Clamp's primary practice is TriStar Centennial Medical Center in Nashville, Tennessee, part of HCA Healthcare. Dr. Clamp is also affiliated with BayCare St. Joseph's Hospital. The medical group on file is BayCare Medical Group. Dmand AI also links Dr. Clamp to 2 more hospitals, 2 group practices and clinics and 1 medical group, 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. Chrystal G. Clamp's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clamp practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| TriStar Centennial Medical Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chrystal G. Clamp is one of 2,427 internists in Tennessee
Internal medicine is Dr. Clamp's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Clamp is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Clamp's licenses on file in 2 states: Florida and Tennessee.
Specialties and state licenses
- Internal medicine, FloridaPrimary
- Tennessee license
Clinical focus
Dmand AI lists acid reflux, acute kidney failure, acute skin infection, adjustment disease, alcohol use disorders, aneurysm, anxiety and arthritis among the conditions Dr. Clamp treats.
Internists near Dr. Clamp
Counts of internists 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. Chrystal G. Clamp billed Medicare for 436 services in 2024
CMS data shows 436 Medicare services from Dr. Clamp across 8 procedure codes in 2024, for 228 Medicare patients. Medicare paid $33,867 for them. Every service was in an office.
Dr. Clamp's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4952024: 25748%
- Other services
- 2023: 2322024: 13243%
- Tests and treatments
- 2023: 1012024: 4753%
- Drugs given in the office
- 2023: 1,2002024: 0100%
- Imaging
- 2023: 142024: 0100%
Dr. Clamp compared with the Tennessee median for internists, 2024
- Dr. Clamp
- Tennessee median
- Medicare services
- 436vs 67135% below
- Medicare patients
- 228vs 222Close to median
- Part D claims
- 4,469vs 33413.4 times
Medians across 2,462 internists in Tennessee with Dmand AI profiles that report each measure.
Dr. Clamp'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. Clamp?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Clamp and other internists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chrystal G. Clamp treated 228 Medicare patients in 2024, average age 74
CMS counts 228 Medicare patients who saw Dr. Clamp in 2024. The largest group is 65 to 74, with 123 patients. 75% of them have high cholesterol, and 70% have high blood pressure. Their average risk score is 0.87, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Clamp's median patient age at 64, with 79% women.
Dr. Clamp's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Clamp's Medicare patients by sex, 2024
- Women18079%
- Men4821%
Chronic conditions among Dr. Clamp's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis48%
- Anxiety35%
- Cancer25%
- Mood disorders25%
- Osteoporosis24%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Clamp's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women79%
- Men21%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chrystal G. Clamp wrote 5,055 Medicare Part D claims in 2024
In 2024, Dr. Clamp wrote 5,055 Medicare Part D claims for 444 patients. 88% of them were for generic drugs. CMS names the drug for 4,469 of them, across 99 drugs with 11 or more claims each, at $378,342 in total drug cost. In 2023, CMS named 5,762 claims across 115 drugs.
Dr. Clamp's Part D claims by kind of drug, 2024
- Generic4,459 claims88%
- Brand-name580 claims11%
- Other16 claims0%
Dr. Clamp'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. Clamp's Part D claims, 2024
- Opioids1%61 of 5,055 claims
- Antibiotics2%80 of 5,055 claims
- Antipsychotics, patients 65 and over1%28 of 5,055 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: 5,7622024: 4,46922%
Drugs named by CMS: 99 in 2024, 115 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. Chrystal G. Clamp offers telehealth to Medicare patients
Dr. Clamp accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Clamp as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Chrystal G. Clamp received $14,759 in industry payments from 2016 to 2025
CMS Open Payments shows 961 general payments to Dr. Clamp from 39 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $2,400.
General payments to Dr. Clamp by program year, 2016 to 2025
General payments to Dr. Clamp by kind, 2016 to 2025
- Food and beverage$14,716100%
- Education$430%
Companies that paid Dr. Clamp the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chrystal G. Clamp graduated from University of Tennessee Health Science Center College of Medicine - Memphis
Dr. Clamp graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 2002.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Chrystal G. Clamp accepts plans from 15 insurance carriers
Dr. Clamp is in network with 15 carriers, including Aetna, Elevance and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Cigna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- +7 more carriersWith a free account
Plan types Dr. Clamp accepts, by number of carriers
- PPO10
- Medicare9
- HMO8
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Chrystal G. Clamp'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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Chrystal G. Clamp
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. Chrystal G. Clamp's NPI number?
Dr. Chrystal G. Clamp's NPI number is 1265426050. It was assigned on September 7, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Chrystal G. Clamp?
Dr. Chrystal G. Clamp is an internist in Nashville, Tennessee. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Chrystal G. Clamp practice?
Dr. Clamp practices at 2300 Patterson Street, Nashville, TN 37203. Dr. Clamp's primary practice is TriStar Centennial Medical Center in Nashville, Tennessee, part of HCA Healthcare. Dmand AI also links Dr. Clamp to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Dr. Chrystal G. Clamp's office phone number?
The practice phone on file for Dr. Clamp is (615) 342-1000.
What is Dr. Chrystal G. Clamp's medical license number?
Dr. Clamp holds Florida license 168018, one of the licenses on file in 2 states.
Which states has Dr. Chrystal G. Clamp been licensed in?
Dmand AI has state licenses on file for Dr. Clamp in Florida (2024 to 2026) and Tennessee (2005 to 2026).
Which hospitals is Dr. Chrystal G. Clamp affiliated with?
Dr. Clamp practices at TriStar Centennial Medical Center in Nashville, Tennessee. Dr. Clamp is also affiliated with BayCare St. Joseph's Hospital. Dmand AI links Dr. Clamp to 2 more hospitals.
What medical group is Dr. Chrystal G. Clamp part of?
Dr. Clamp is linked to BayCare Medical Group. Dmand AI links Dr. Clamp to 1 more medical group.
Does Dr. Chrystal G. Clamp accept Medicare?
Yes. CMS data shows Dr. Clamp billed Medicare for 436 services in 2024, and Dr. Clamp accepts Medicare assignment.
Does Dr. Chrystal G. Clamp offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Clamp as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Chrystal G. Clamp see?
CMS counts 228 Medicare patients who saw Dr. Clamp in 2024, with an average age of 74.
Is Dr. Chrystal G. Clamp board certified?
Yes. Dr. Clamp is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Chrystal G. Clamp bill to Medicare?
In 2024, Dr. Clamp's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Chrystal G. Clamp go to medical school?
Dr. Clamp graduated from University of Tennessee Health Science Center College of Medicine - Memphis in 2002.
What drugs does Dr. Chrystal G. Clamp prescribe most?
In 2024 Medicare Part D data, Dr. Clamp's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Chrystal G. Clamp received payments from drug or device companies?
CMS Open Payments shows $14,759 in general payments to Dr. Clamp from 39 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Chrystal G. Clamp been practicing?
Dr. Clamp graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Chrystal G. Clamp accept?
Dr. Clamp is in network with 15 carriers, including Aetna, Elevance and Cigna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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