Clarissa M. McCullar, NP
- Medicare patients, 2024
- 402
- Part D claims, 2024
- 4,111
- Hospital affiliations
- 1
- Industry payments
- $332
- Medical group
- 1
- Practice address
- 801 Oak Ridge Turnpike, Oak Ridge, TN 37830
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Summit Medical Group of Oak Ridge - HOPD
Childrens Hospital outpatient department · Oak Ridge, Tennessee
Find Clarissa McCullar'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.
Clarissa M. McCullar is a family nurse practitioner in Oak Ridge, Tennessee
Clarissa McCullar practices at Summit Medical Group of Oak Ridge - HOPD in Oak Ridge, Tennessee.
Clarissa McCullar's NPI, 1689624439, was assigned on May 11, 2006. Clarissa McCullar holds Tennessee license 7012.
- NPI
- 1689624439NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901947928
- NPI enumeration date
- May 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Clarissa M. McCullar practices at Summit Medical Group of Oak Ridge - HOPD in Oak Ridge, Tennessee
Clarissa McCullar's primary practice is Summit Medical Group of Oak Ridge - HOPD, at 801 Oak Ridge Turnpike, Oak Ridge, TN 37830.
- Summit Medical Group of Oak Ridge - HOPD801 Oak Ridge Turnpike, Oak Ridge, TN 37830
Source: Dmand AI Affiliation Data
Clarissa M. McCullar is affiliated with 4 sites of care and 1 medical group
Clarissa McCullar's primary practice is Summit Medical Group of Oak Ridge - HOPD in Oak Ridge, Tennessee. Clarissa McCullar is also affiliated with Methodist Medical Center of Oak Ridge. The medical group on file is Summit Medical Group. Dmand AI also links Clarissa McCullar to 1 more group practice or clinic and 1 home health agency, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Clarissa M. McCullar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Clarissa McCullar practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Summit Medical Group of Oak Ridge - HOPD | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Clarissa M. McCullar is one of 7,243 family nurse practitioners in Tennessee
Family is Clarissa McCullar's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Clarissa McCullar is licensed in Tennessee.
Specialties and state licenses
- Family nurse practitioner, TennesseePrimary
Family nurse practitioners near Clarissa McCullar
Counts of family 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
Clarissa M. McCullar treated 402 Medicare patients in 2024, average age 75
CMS counts 402 Medicare patients who saw Clarissa McCullar in 2024. The largest group is 65 to 74, with 195 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 3% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Clarissa McCullar's median patient age at 56, with 77% women.
Clarissa McCullar's Medicare patients by age, 2024
Clarissa McCullar's Medicare patients by sex, 2024
- Women26265%
- Men14035%
Chronic conditions among Clarissa McCullar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Mood disorders37%
- Depression35%
- Anxiety34%
- Diabetes33%
- Chronic kidney disease30%
Share of Medicare patients with each condition. A patient can have several.
Clarissa McCullar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women77%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Clarissa M. McCullar wrote 4,111 Medicare Part D claims in 2024
In 2024, Clarissa McCullar wrote 4,111 Medicare Part D claims for 696 patients. 90% of them were for generic drugs.
Clarissa McCullar's Part D claims by kind of drug, 2024
- Generic3,693 claims90%
- Brand-name394 claims10%
- Other24 claims1%
Drug classes CMS tracks in Clarissa McCullar's Part D claims, 2024
- Opioids6%247 of 4,111 claims
- Antibiotics10%409 of 4,111 claims
- Antipsychotics, patients 65 and over0%13 of 4,111 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
Clarissa M. McCullar offers telehealth to Medicare patients
Clarissa McCullar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Clarissa McCullar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Clarissa M. McCullar received $332 in industry payments in 2025
CMS Open Payments shows 22 general payments to Clarissa McCullar from 8 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $124.
Companies that paid Clarissa McCullar the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Clarissa M. McCullar'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 Data |
| 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 (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) |
| 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 Clarissa M. McCullar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Clarissa M. McCullar's NPI number?
Clarissa M. McCullar's NPI number is 1689624439. It was assigned on May 11, 2006, and it is active in the NPI Registry.
What does Clarissa M. McCullar specialize in?
Clarissa M. McCullar is a family nurse practitioner in Oak Ridge, Tennessee. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Clarissa M. McCullar practice?
Clarissa McCullar practices at 801 Oak Ridge Turnpike, Oak Ridge, TN 37830. Clarissa McCullar's primary practice is Summit Medical Group of Oak Ridge - HOPD in Oak Ridge, Tennessee. Dmand AI also links Clarissa McCullar to 1 group practice or clinic and 1 home health agency.
What is Clarissa M. McCullar's medical license number?
Clarissa McCullar holds Tennessee license 7012.
Which hospitals is Clarissa M. McCullar affiliated with?
Clarissa McCullar is affiliated with Methodist Medical Center of Oak Ridge.
What medical group is Clarissa M. McCullar part of?
Clarissa McCullar is linked to Summit Medical Group.
Does Clarissa M. McCullar accept Medicare?
Yes. CMS lists Clarissa McCullar as accepting Medicare assignment.
Does Clarissa M. McCullar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Clarissa McCullar as offering telehealth services.
How many Medicare patients does Clarissa M. McCullar see?
CMS counts 402 Medicare patients who saw Clarissa McCullar in 2024, with an average age of 75.
Has Clarissa M. McCullar received payments from drug or device companies?
CMS Open Payments shows $332 in general payments to Clarissa McCullar from 8 companies from 2025 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Clarissa M. McCullar been practicing?
Clarissa McCullar graduated from medical school in 1998, 28 years ago.
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