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Dr. Nicholas Fredric Parrish, MD
NPI1013304963PAC ID0345539185
- Part D claims, 2018
- 11
- Publications
- 41
- Hospital affiliations
- 1
- Industry payments
- $1,759
- Medical group
- 1
- Practice address
- 2301 Erwin Rd, Durham, NC 27705
- Practice phone
- Call (919) 684-8111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Nicholas Fredric Parrish is a general surgeon in Durham, North Carolina
Dr. Parrish practices at Duke University Hospital in Durham, North Carolina, part of Duke University.
Dr. Parrish's NPI, 1013304963, was assigned on April 17, 2015. Dr. Parrish graduated from Pennsylvania State University College of Medicine in 2015. Dr. Parrish holds North Carolina license 2024-01973.
NPI and contact details
- NPI
- 1013304963NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345539185
- NPI enumeration date
- April 17, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (919) 684-8111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicholas Fredric Parrish practices at Duke University Hospital in Durham, North Carolina
Dr. Parrish's primary practice is Duke University Hospital, at 2301 Erwin Rd, Durham, NC 27705 in Durham County. The practice phone is (919) 684-8111.
- Duke University Hospital2301 Erwin Rd, Durham, NC 27705 · Durham CountyPhone(919) 684-8111
Source: Dmand AI Affiliation Data
Dr. Nicholas Fredric Parrish is affiliated with 2 sites of care and 1 medical group
Dr. Parrish's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. The medical group on file is Duke Health Integrated Practice. Dmand AI also links Dr. Parrish 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. Nicholas Fredric Parrish's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parrish practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Duke University Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nicholas Fredric Parrish is one of 1,053 general surgeons in North Carolina
Surgery is Dr. Parrish's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Parrish's licenses on file in 2 states: North Carolina and Tennessee.
Specialties and state licenses
- Surgery, North CarolinaPrimary
- Tennessee license
General surgeons near Dr. Parrish
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
1,053general surgeons in North Carolina91general surgeons in Durham56general surgeons at Duke University Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nicholas Fredric Parrish's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Parrish's median patient age at 49, with 60% women.
Dr. Parrish's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Nicholas Fredric Parrish wrote 11 Medicare Part D claims in 2018
In 2018, Dr. Parrish wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $63 in total drug cost. In 2017, CMS named 11 claims across 1 drug.
Part D claims, 201811
Drugs named by CMS1
Total drug cost$63
Dr. Parrish's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 112018: 11No change
Drugs named by CMS: 1 in 2018, 1 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Nicholas Fredric Parrish takes part in Medicare
Dr. Parrish 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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Dr. Nicholas Fredric Parrish has 41 publications on record
Dmand AI links 41 papers to Dr. Parrish, published from 2010 to 2025. 2015 was the busiest year, with 5. The most frequent topics are Herpesvirus 6, Human, HIV-1 and CD4-Positive T-Lymphocytes. Dr. Parrish has published most often in J Virol. Dr. Parrish's most frequent co-authors are Daniel Kim, DO, Sophoclis P. Alexopoulos, MD and Pauli Amornkul, MD.
Papers41
Years published2010 to 2025
Dr. Parrish's papers by year, 2015 to 2025
Topics Dr. Parrish writes about most
- Herpesvirus 6, Human
- HIV-1
- CD4-Positive T-Lymphocytes
- Genome, Human
- Gene Expression Regulation
- Mammals
- Sequence Analysis, DNA
- Virus Replication
Dr. Parrish's most frequent co-authors
- Daniel Kim, DO2 shared papers
- Sophoclis P. Alexopoulos, MD1 shared paper
- Pauli Amornkul, MD1 shared paper
Recent publications by Dr. Parrish
Virus Genes
Coronary Artery DiseaseHerpesvirus 6, HumanRoseolovirus Infections
AnelloviridaeAutoimmune DiseasesCOVID-19
Fetal cord plasma herpesviruses and preeclampsia: an observational cohort study (opens in a new tab)
Sci Rep
DNA, ViralFetal BloodFinland
See who Dr. Parrish researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Parrish 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. Nicholas Fredric Parrish received $1,759 in industry payments from 2023 to 2025
CMS Open Payments shows 5 general payments to Dr. Parrish from 3 drug and device companies from 2023 to 2025. Travel and lodging make up the largest share, 98% of the total. TransMedics, Inc. paid the most, $1,724.
General payments to Dr. Parrish by program year, 2023 to 2025
General payments to Dr. Parrish by kind, 2023 to 2025
$1.8Kin total
- Travel and lodging$1,72498%
- Food and beverage$352%
Companies that paid Dr. Parrish the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Nicholas Fredric Parrish graduated from Pennsylvania State University College of Medicine
Dr. Parrish graduated from Pennsylvania State University College of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nicholas Fredric Parrish'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Nicholas Fredric Parrish
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. Nicholas Fredric Parrish's NPI number?
Dr. Nicholas Fredric Parrish's NPI number is 1013304963. It was assigned on April 17, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas Fredric Parrish?
Dr. Nicholas Fredric Parrish is a general surgeon in Durham, North Carolina. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nicholas Fredric Parrish practice?
Dr. Parrish practices at 2301 Erwin Rd, Durham, NC 27705. Dr. Parrish's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dmand AI also links Dr. Parrish to 1 group practice or clinic.
What is Dr. Nicholas Fredric Parrish's office phone number?
The practice phone on file for Dr. Parrish is (919) 684-8111.
What is Dr. Nicholas Fredric Parrish's medical license number?
Dr. Parrish holds North Carolina license 2024-01973, one of the licenses on file in 2 states.
Which states has Dr. Nicholas Fredric Parrish been licensed in?
Dmand AI has state licenses on file for Dr. Parrish in North Carolina and Tennessee.
Which hospitals is Dr. Nicholas Fredric Parrish affiliated with?
Dr. Parrish practices at Duke University Hospital in Durham, North Carolina.
What medical group is Dr. Nicholas Fredric Parrish part of?
Dr. Parrish is linked to Duke Health Integrated Practice.
Does Dr. Nicholas Fredric Parrish accept Medicare?
Yes. CMS lists Dr. Parrish as accepting Medicare assignment.
Where did Dr. Nicholas Fredric Parrish go to medical school?
Dr. Parrish graduated from Pennsylvania State University College of Medicine in 2015.
Show 5 more questionsShow fewer questions
What drugs does Dr. Nicholas Fredric Parrish prescribe most?
In 2018 Medicare Part D data, Dr. Parrish's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Nicholas Fredric Parrish received payments from drug or device companies?
CMS Open Payments shows $1,759 in general payments to Dr. Parrish from 3 companies from 2023 to 2025. The largest total came from TransMedics, Inc.
How long has Dr. Nicholas Fredric Parrish been practicing?
Dr. Parrish graduated from medical school in 2015, 11 years ago.
Does Dr. Nicholas Fredric Parrish do research?
Dmand AI links 41 publications to Dr. Parrish, published from 2010 to 2025.
Who does Dr. Nicholas Fredric Parrish publish with?
Dr. Parrish's most frequent co-authors are Daniel Kim, DO (2 shared papers), Sophoclis P. Alexopoulos, MD (1 shared paper) and Pauli Amornkul, MD (1 shared paper).
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