Daniel Robert Nicholas
- Part D claims, 2024
- 90
- Industry payments
- $32
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 2300 Fall Hill Ave, Fredericksburg, VA 22401
- Practice phone
- Call (540) 741-1100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mary Washington Healthcare Physicians
Fredericksburg, Virginia
Find Daniel Nicholas' 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.
Daniel Robert Nicholas is a psychiatrist in Fredericksburg, Virginia
Daniel Nicholas practices at Mary Washington Healthcare Physicians in Fredericksburg, Virginia.
Daniel Nicholas' NPI, 1801424239, was assigned on March 31, 2020. Daniel Nicholas holds Virginia license 0102208546.
- NPI
- 1801424239NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123440831
- NPI enumeration date
- March 31, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 741-1100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Daniel Robert Nicholas practices at Mary Washington Healthcare Physicians in Fredericksburg, Virginia
Daniel Nicholas' primary practice is Mary Washington Healthcare Physicians, at 2300 Fall Hill Ave, Fredericksburg, VA 22401 in Fredericksburg City. The practice phone is (540) 741-1100.
- Mary Washington Healthcare Physicians2300 Fall Hill Ave, Fredericksburg, VA 22401 · Fredericksburg CityPhone(540) 741-1100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Daniel Robert Nicholas is affiliated with 2 sites of care and 1 medical group
Daniel Nicholas' primary practice is Mary Washington Healthcare Physicians in Fredericksburg, Virginia. The medical group on file is Mary Washington Healthcare. Dmand AI also links Daniel Nicholas to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Daniel Robert Nicholas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Nicholas practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mary Washington Healthcare Physicians | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Daniel Robert Nicholas is one of 1,014 psychiatrists in Virginia
Psychiatry is Daniel Nicholas' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Daniel Nicholas is licensed in Virginia.
Specialties and state licenses
- Psychiatry, VirginiaPrimary
Psychiatrists near Daniel Nicholas
Counts of psychiatrists 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
Daniel Robert Nicholas' patients have a median age of 36
Across all payers, Dmand AI patient panel data puts Daniel Nicholas' median patient age at 36, with 71% women.
Daniel Nicholas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women71%
- Men29%
Source: Dmand AI Patient Panel Data
Daniel Robert Nicholas wrote 90 Medicare Part D claims in 2024
In 2024, Daniel Nicholas wrote 90 Medicare Part D claims for 17 patients. 93% of them were for generic drugs. CMS names the drug for 47 of them, across 3 drugs with 11 or more claims each, at $2,400 in total drug cost.
Daniel Nicholas' Part D claims by kind of drug, 2024
- Generic84 claims93%
- Brand-name and other6 claims7%
Daniel Nicholas' most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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 Daniel Robert Nicholas takes part in Medicare
Daniel Nicholas 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Daniel Robert Nicholas received $32 in industry payments in 2025
CMS Open Payments shows 2 general payments to Daniel Nicholas from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Neurocrine BioSciences, Inc. paid the most, $17.
Companies that paid Daniel Nicholas 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 Daniel Robert Nicholas'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)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 Daniel Robert Nicholas
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Daniel Robert Nicholas' NPI number?
Daniel Robert Nicholas' NPI number is 1801424239. It was assigned on March 31, 2020, and it is active in the NPI Registry.
What does Daniel Robert Nicholas specialize in?
Daniel Robert Nicholas is a psychiatrist in Fredericksburg, Virginia. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Daniel Robert Nicholas practice?
Daniel Nicholas practices at 2300 Fall Hill Ave, Fredericksburg, VA 22401. Daniel Nicholas' primary practice is Mary Washington Healthcare Physicians in Fredericksburg, Virginia. Dmand AI also links Daniel Nicholas to 1 group practice or clinic.
What is Daniel Robert Nicholas' office phone number?
The practice phone on file for Daniel Nicholas is (540) 741-1100.
What is Daniel Robert Nicholas' medical license number?
Daniel Nicholas holds Virginia license 0102208546.
What medical group is Daniel Robert Nicholas part of?
Daniel Nicholas is linked to Mary Washington Healthcare.
Does Daniel Robert Nicholas accept Medicare?
Yes. CMS lists Daniel Nicholas as accepting Medicare assignment.
What drugs does Daniel Robert Nicholas prescribe most?
In 2023 Medicare Part D data, Daniel Nicholas' most prescribed drugs by claims were Prazosin HCl, Clozapine and Venlafaxine HCl ER.
Has Daniel Robert Nicholas received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Daniel Nicholas from 2 companies from 2025 to 2025. The largest total came from Neurocrine BioSciences, Inc.
How long has Daniel Robert Nicholas been practicing?
Daniel Nicholas graduated from medical school in 2020, 6 years ago.
Selling to psychiatry practices?
See psychiatrists in Virginia by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card