Dr. Talmage Nielsen, DO
- Part D claims, 2024
- 1,254
- Industry payments
- $905
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 425 S Cherry St, Denver, CO 80246
- Practice phone
- Call (801) 821-2781
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Serenity Mental Health Centers
Denver, Colorado
Find Dr. Nielsen'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.
Dr. Talmage Nielsen is a psychiatrist in Denver, Colorado
Dr. Nielsen practices at Serenity Mental Health Centers in Denver, Colorado.
Dr. Nielsen's NPI, 1972180776, was assigned on March 26, 2021. Dr. Nielsen holds Pennsylvania license OS022804.
- NPI
- 1972180776NPI Registry (opens in a new tab)
- NPI enumeration date
- March 26, 2021
- NPI status
- Active
- Practice phone
- (801) 821-2781
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Talmage Nielsen practices at Serenity Mental Health Centers in Denver, Colorado
Dr. Nielsen's primary practice is Serenity Mental Health Centers, at 425 S Cherry St, Denver, CO 80246 in Denver County. The practice phone is (801) 821-2781.
- Serenity Mental Health Centers425 S Cherry St, Denver, CO 80246 · Denver CountyPhone(801) 821-2781
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Talmage Nielsen is affiliated with 2 sites of care and 1 medical group
Dr. Nielsen's primary practice is Serenity Mental Health Centers in Denver, Colorado. The medical group on file is Serenity Mental Health Centers. Dmand AI also links Dr. Nielsen 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 Dr. Talmage Nielsen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nielsen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Serenity Mental Health Centers | 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. Talmage Nielsen is one of 611 psychiatrists in Colorado
Psychiatry is Dr. Nielsen's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Nielsen is licensed in Pennsylvania.
Specialties and state licenses
- Psychiatry, PennsylvaniaPrimary
Psychiatrists near Dr. Nielsen
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
Dr. Talmage Nielsen's patients have a median age of 35
Across all payers, Dmand AI patient panel data puts Dr. Nielsen's median patient age at 35, with 67% women.
Dr. Nielsen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women67%
- Men32%
Source: Dmand AI Patient Panel Data
Dr. Talmage Nielsen wrote 1,254 Medicare Part D claims in 2024
In 2024, Dr. Nielsen wrote 1,254 Medicare Part D claims for 61 patients. 97% of them were for generic drugs. CMS names the drug for 1,160 of them, across 34 drugs with 11 or more claims each, at $60,083 in total drug cost. In 2023, CMS named 147 claims across 8 drugs.
Dr. Nielsen's Part D claims by kind of drug, 2024
- Generic1,218 claims97%
- Brand-name36 claims3%
Dr. Nielsen'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 Dr. Nielsen's Part D claims, 2024
- Antipsychotics, patients 65 and over9%111 of 1,254 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: 1472024: 1,160689%
Drugs named by CMS: 34 in 2024, 8 in 2023.
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
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Dr. Talmage Nielsen received $905 in industry payments from 2023 to 2025
CMS Open Payments shows 44 general payments to Dr. Nielsen from 10 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $230.
General payments to Dr. Nielsen by program year, 2023 to 2025
Companies that paid Dr. Nielsen the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Talmage Nielsen'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) |
| 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 Dr. Talmage Nielsen
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. Talmage Nielsen's NPI number?
Dr. Talmage Nielsen's NPI number is 1972180776. It was assigned on March 26, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Talmage Nielsen?
Dr. Talmage Nielsen is a psychiatrist in Denver, Colorado. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Talmage Nielsen practice?
Dr. Nielsen practices at 425 S Cherry St, Denver, CO 80246. Dr. Nielsen's primary practice is Serenity Mental Health Centers in Denver, Colorado. Dmand AI also links Dr. Nielsen to 1 group practice or clinic.
What is Dr. Talmage Nielsen's office phone number?
The practice phone on file for Dr. Nielsen is (801) 821-2781.
What is Dr. Talmage Nielsen's medical license number?
Dr. Nielsen holds Pennsylvania license OS022804.
What medical group is Dr. Talmage Nielsen part of?
Dr. Nielsen is linked to Serenity Mental Health Centers.
What drugs does Dr. Talmage Nielsen prescribe most?
In 2024 Medicare Part D data, Dr. Nielsen's most prescribed drugs by claims were Quetiapine Fumarate, Clozapine and Lorazepam.
Has Dr. Talmage Nielsen received payments from drug or device companies?
CMS Open Payments shows $905 in general payments to Dr. Nielsen from 10 companies from 2023 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Talmage Nielsen been practicing?
Dr. Nielsen graduated from medical school in 2025, 1 years ago.
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