David Lee Demby Sr., FNP

  • Lancaster, SC
  • Nurse practitioner
NPI1396285557PAC ID6608146543
Medicare patients, 2024
87
Part D claims, 2024
4,196
Hospital affiliations
3
Industry payments
$82
Medical groups
4
Practice address
800 W Meeting St, Lancaster, SC 29720
Practice phone
Call (803) 286-1481
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

MUSC Health Lancaster Medical Center

Hospital · Lancaster, South Carolina

See all 12 affiliations

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David Lee Demby Sr. is a nurse practitioner in Lancaster, South Carolina

David Demby practices at MUSC Health Lancaster Medical Center in Lancaster, South Carolina, part of Medical University of South Carolina.

David Demby's NPI, 1396285557, was assigned on March 6, 2017. David Demby holds South Carolina license 20606.

NPI and contact details
Medicare PAC ID
6608146543
NPI enumeration date
March 6, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(803) 286-1481
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

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

David Lee Demby Sr. practices at MUSC Health Lancaster Medical Center in Lancaster, South Carolina

David Demby's primary practice is MUSC Health Lancaster Medical Center, at 800 W Meeting St, Lancaster, SC 29720 in Lancaster County. The practice phone is (803) 286-1481.

Source: Dmand AI Affiliation Data

David Lee Demby Sr. is affiliated with 8 sites of care and 4 medical groups

David Demby's primary practice is MUSC Health Lancaster Medical Center in Lancaster, South Carolina, part of Medical University of South Carolina. David Demby is also affiliated with Atrium Health Union. The medical group on file is Liberty Doctors, LLC. Dmand AI also links David Demby to 1 more hospital, 3 group practices and clinics, 3 medical groups and 2 home health agencies, each named with a free account.

See all 12 affiliations for David Demby

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

Dmand AI tracks the EHR system at David Lee Demby Sr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where David Demby practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
MUSC Health Lancaster Medical CenterAvailable with a free account
+7 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Medical University of South Carolina and 6.2K+ hospitals, with verified contacts in the same login.

David Lee Demby Sr. is one of 971 nurse practitioners in South Carolina

Nurse practitioner is David Demby's primary specialty in the NPI Registry, under taxonomy code 363L00000X. David Demby is licensed in South Carolina.

Specialties and state licenses

  • Nurse practitioner, South CarolinaPrimaryLicense 20606 · taxonomy 363L00000X

Nurse practitioners near David Demby

Counts of nurse practitioners 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

David Lee Demby Sr. treated 87 Medicare patients in 2024, average age 74

CMS counts 87 Medicare patients who saw David Demby in 2024. The largest group is 75 to 84, with 40 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 29% are also on Medicaid. Their average risk score is 3.44, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts David Demby's median patient age at 63, with 45% women.

Medicare patients, 202487
Average age74
Average risk score3.44
Also on Medicaid29%

David Demby's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

David Demby's Medicare patients by sex, 2024

  • Women3945%
  • Men4855%

Chronic conditions among David Demby's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes66%
  4. Chronic kidney disease62%
  5. Arthritis61%
  6. Ischemic heart disease55%
  7. Heart failure51%
  8. Mood disorders48%

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

David Demby'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

  • Women45%
  • Men54%

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

David Lee Demby Sr. wrote 4,196 Medicare Part D claims in 2024

In 2024, David Demby wrote 4,196 Medicare Part D claims for 479 patients. 87% of them were for generic drugs.

Part D claims, 20244,196
Part D patients479

David Demby's Part D claims by kind of drug, 2024

  • Generic3,649 claims87%
  • Brand-name498 claims12%
  • Other49 claims1%

Drug classes CMS tracks in David Demby's Part D claims, 2024

  • Opioids1%43 of 4,196 claims
  • Antibiotics7%278 of 4,196 claims
  • Antipsychotics, patients 65 and over1%47 of 4,196 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How David Lee Demby Sr. takes part in Medicare

David Demby 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)

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David Lee Demby Sr. received $82 in industry payments in 2025

CMS Open Payments shows 4 general payments to David Demby from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $35.

Companies that paid David Demby the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to David Demby

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

Sources for David Lee Demby Sr.'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 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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 David Lee Demby Sr.

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is David Lee Demby Sr.'s NPI number?

David Lee Demby Sr.'s NPI number is 1396285557. It was assigned on March 6, 2017, and it is active in the NPI Registry.

What does David Lee Demby Sr. specialize in?

David Lee Demby Sr. is a nurse practitioner in Lancaster, South Carolina. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does David Lee Demby Sr. practice?

David Demby practices at 800 W Meeting St, Lancaster, SC 29720. David Demby's primary practice is MUSC Health Lancaster Medical Center in Lancaster, South Carolina, part of Medical University of South Carolina. Dmand AI also links David Demby to 1 hospital, 3 group practices and clinics, 3 medical groups and 2 home health agencies.

What is David Lee Demby Sr.'s office phone number?

The practice phone on file for David Demby is (803) 286-1481.

What is David Lee Demby Sr.'s medical license number?

David Demby holds South Carolina license 20606.

Which hospitals is David Lee Demby Sr. affiliated with?

David Demby practices at MUSC Health Lancaster Medical Center in Lancaster, South Carolina. David Demby is also affiliated with Atrium Health Union. Dmand AI links David Demby to 1 more hospital.

What medical group is David Lee Demby Sr. part of?

David Demby is linked to Liberty Doctors, LLC. Dmand AI links David Demby to 3 more medical groups.

Does David Lee Demby Sr. accept Medicare?

Yes. CMS lists David Demby as accepting Medicare assignment.

How many Medicare patients does David Lee Demby Sr. see?

CMS counts 87 Medicare patients who saw David Demby in 2024, with an average age of 74.

Has David Lee Demby Sr. received payments from drug or device companies?

CMS Open Payments shows $82 in general payments to David Demby from 3 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.

How long has David Lee Demby Sr. been practicing?

David Demby graduated from medical school in 2016, 10 years ago.

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