Anna Sullivan Overby

  • Hendersonville, NC
  • Internist
NPI1285073395PAC ID2961708995
Medicare services, 2024
653
Medicare patients, 2024
234
Part D claims, 2024
528
Hospital affiliations
3
Industry payments
$4,656
Practice address
100 Hospital Drive, Hendersonville, NC 28792
Practice phone
Call (828) 684-8501
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

AdventHealth Hendersonville

Hospital · Hendersonville, North Carolina

See all 6 affiliations

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Anna Sullivan Overby is an internist in Hendersonville, North Carolina

Anna Overby practices at AdventHealth Hendersonville in Hendersonville, North Carolina, part of AdventHealth.

Anna Overby's NPI, 1285073395, was assigned on June 21, 2013. Anna Overby holds North Carolina license 2016-00984.

NPI and contact details
Medicare PAC ID
2961708995
NPI enumeration date
June 21, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(828) 684-8501
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
39
Medical school graduation
2013

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

Anna Sullivan Overby practices at AdventHealth Hendersonville in Hendersonville, North Carolina

Anna Overby's primary practice is AdventHealth Hendersonville, at 100 Hospital Drive, Hendersonville, NC 28792 in Henderson County. The practice phone is (828) 684-8501.

Source: Dmand AI Affiliation Data

Anna Sullivan Overby is affiliated with 4 sites of care and 2 medical groups

Anna Overby's primary practice is AdventHealth Hendersonville in Hendersonville, North Carolina, part of AdventHealth. Anna Overby is also affiliated with Mission Hospital. The medical group on file is Southeastern Sports Medicine & Orthopedics. Dmand AI also links Anna Overby to 1 more hospital, 1 hospice and 1 medical group, each named with a free account.

See all 6 affiliations for Anna Overby

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

Dmand AI tracks the EHR system at Anna Sullivan Overby's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Anna Overby practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
AdventHealth HendersonvilleAvailable with a free account
+3 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Anna Sullivan Overby is one of 3,705 internists in North Carolina

Internal medicine is Anna Overby's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Anna Overby's licenses on file in 2 states: North Carolina and Virginia.

Specialties and state licenses

  • Internal medicine, North CarolinaPrimaryLicense 2016-00984 · taxonomy 207R00000X
  • Virginia licenseLicense 0116026109

Internists near Anna Overby

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

Anna Sullivan Overby billed Medicare for 653 services in 2024

CMS data shows 653 Medicare services from Anna Overby across 5 procedure codes in 2024, for 234 Medicare patients. Medicare paid $51,321 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024653
Medicare patients234
Paid by Medicare$51,321
Procedure codes5

Anna Overby's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5442024: 65320%

Anna Overby compared with the North Carolina median for internists, 2024

  • Anna Overby
  • North Carolina median
Medicare services
653vs 52125% above
Medicare patients
234vs 18526% above
Part D claims
257vs 2726% below

Medians across 3,695 internists in North Carolina with Dmand AI profiles that report each measure.

Anna Overby'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.

See all procedures by Anna Overby

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Anna Sullivan Overby treated 234 Medicare patients in 2024, average age 77

CMS counts 234 Medicare patients who saw Anna Overby in 2024. The largest group is 75 to 84, with 81 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Anna Overby's median patient age at 75, with 59% women.

Medicare patients, 2024234
Average age77
Average risk score1.83
Also on Medicaid17%

Anna Overby's Medicare patients by age, 2024

Anna Overby's Medicare patients by sex, 2024

  • Women14763%
  • Men8737%

Chronic conditions among Anna Overby's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Anxiety46%
  5. Mood disorders46%
  6. Atrial fibrillation45%
  7. Chronic kidney disease44%
  8. Depression43%

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

Anna Overby's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 75

Patient panel by sex, all payers

  • Women59%
  • Men40%

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

Anna Sullivan Overby wrote 528 Medicare Part D claims in 2024

In 2024, Anna Overby wrote 528 Medicare Part D claims for 211 patients. 88% of them were for generic drugs. CMS names the drug for 257 of them, across 14 drugs with 11 or more claims each, at $10,515 in total drug cost. In 2023, CMS named 84 claims across 5 drugs.

Part D claims, 2024528
Drugs named by CMS14
Total drug cost$10,515
Part D patients211

Anna Overby's Part D claims by kind of drug, 2024

  • Generic466 claims88%
  • Brand-name62 claims12%

Anna Overby'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 Anna Overby's Part D claims, 2024

  • Opioids3%16 of 528 claims
  • Antibiotics24%128 of 528 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: 842024: 257206%

Drugs named by CMS: 14 in 2024, 5 in 2023.

See all prescribing by Anna Overby

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

How Anna Sullivan Overby takes part in Medicare

Anna Overby 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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Anna Sullivan Overby received $4,656 in industry payments from 2016 to 2023

CMS Open Payments shows 308 general payments to Anna Overby from 27 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $828.

General payments to Anna Overby by program year, 2016 to 2023

Companies that paid Anna Overby the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Anna Overby

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

Sources for Anna Sullivan Overby'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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 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 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 Anna Sullivan Overby

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

What is Anna Sullivan Overby's NPI number?

Anna Sullivan Overby's NPI number is 1285073395. It was assigned on June 21, 2013, and it is active in the NPI Registry.

What does Anna Sullivan Overby specialize in?

Anna Sullivan Overby is an internist in Hendersonville, North Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Anna Sullivan Overby practice?

Anna Overby practices at 100 Hospital Drive, Hendersonville, NC 28792. Anna Overby's primary practice is AdventHealth Hendersonville in Hendersonville, North Carolina, part of AdventHealth. Dmand AI also links Anna Overby to 1 hospital, 1 hospice and 1 medical group.

What is Anna Sullivan Overby's office phone number?

The practice phone on file for Anna Overby is (828) 684-8501.

What is Anna Sullivan Overby's medical license number?

Anna Overby holds North Carolina license 2016-00984, one of the licenses on file in 2 states.

Which states has Anna Sullivan Overby been licensed in?

Dmand AI has state licenses on file for Anna Overby in North Carolina and Virginia.

Which hospitals is Anna Sullivan Overby affiliated with?

Anna Overby practices at AdventHealth Hendersonville in Hendersonville, North Carolina. Anna Overby is also affiliated with Mission Hospital. Dmand AI links Anna Overby to 1 more hospital.

What medical group is Anna Sullivan Overby part of?

Anna Overby is linked to Southeastern Sports Medicine & Orthopedics. Dmand AI links Anna Overby to 1 more medical group.

Does Anna Sullivan Overby accept Medicare?

Yes. CMS data shows Anna Overby billed Medicare for 653 services in 2024, and Anna Overby accepts Medicare assignment.

How many Medicare patients does Anna Sullivan Overby see?

CMS counts 234 Medicare patients who saw Anna Overby in 2024, with an average age of 77.

Show 4 more questionsShow fewer questions

What services does Anna Sullivan Overby bill to Medicare?

In 2024, Anna Overby's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).

What drugs does Anna Sullivan Overby prescribe most?

In 2024 Medicare Part D data, Anna Overby's most prescribed drugs by claims were Pantoprazole Sodium, Cefdinir and Azithromycin.

Has Anna Sullivan Overby received payments from drug or device companies?

CMS Open Payments shows $4,656 in general payments to Anna Overby from 27 companies from 2016 to 2023. The largest total came from Pfizer Inc.

How long has Anna Sullivan Overby been practicing?

Anna Overby graduated from medical school in 2013, 13 years ago.

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