Dr. Richard A. Nash, MD

  • Denver, CO
  • Hematologist and oncologist
NPI1194815050PAC ID2961530118
Medicare services, 2024
16,653
Medicare patients, 2024
231
Part D claims, 2024
597
Publications
181
Clinical trials
16
Practice address
1721 E 19th Ave, Denver, CO 80218
Practice phone
Call (720) 754-4800
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

HealthONE Clinic Services - Oncology Hematology

Denver, Colorado

See all 4 affiliations

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Dr. Richard A. Nash is a hematologist and oncologist in Denver, Colorado

Dr. Nash practices at HealthONE Clinic Services - Oncology Hematology in Denver, Colorado.

Dr. Nash's NPI, 1194815050, was assigned on October 13, 2006. Dr. Nash graduated from University of Laval Faculty of Medicine in 1977. Dr. Nash holds Colorado license 49931.

NPI and contact details
Medicare PAC ID
2961530118
NPI enumeration date
October 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(720) 754-4800
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
75
Medical school graduation
1977

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

Dr. Richard A. Nash practices at HealthONE Clinic Services - Oncology Hematology in Denver, Colorado

Dr. Nash's primary practice is HealthONE Clinic Services - Oncology Hematology, at 1721 E 19th Ave, Denver, CO 80218 in Denver County. The practice phone is (720) 754-4800.

  • HealthONE Clinic Services - Oncology Hematology
    1721 E 19th Ave, Denver, CO 80218 · Denver CountyPhone(720) 754-4800

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Richard A. Nash is affiliated with 3 sites of care and 1 medical group

Dr. Nash's primary practice is HealthONE Clinic Services - Oncology Hematology in Denver, Colorado. Dr. Nash is also affiliated with HCA HealthONE Presbyterian St. Luke's. The medical group on file is HCA HealthONE Physicians. Dmand AI also links Dr. Nash to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Nash

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Richard A. Nash's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nash practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
HealthONE Clinic Services - Oncology HematologyAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Richard A. Nash is one of 179 hematologists and oncologists in Colorado

Hematology and oncology is Dr. Nash's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Nash is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Nash's licenses on file in 2 states: Colorado and Washington.

Specialties and state licenses

  • Hematology and oncology, ColoradoPrimaryLicense 49931 · 2011 to 2027 · taxonomy 207RH0003X
  • Washington licenseLicense MD00026272 · 1989 to 2012

Clinical focus

Dmand AI lists lymphoma and multiple myeloma among the conditions Dr. Nash treats.

Hematologists and oncologists near Dr. Nash

Counts of hematologists and oncologists 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. Richard A. Nash billed Medicare for 16,653 services in 2024

CMS data shows 16,653 Medicare services from Dr. Nash across 19 procedure codes in 2024, for 231 Medicare patients. Medicare paid $518,416 for them. Every service was in an office.

Medicare services, 202416,653
Medicare patients231
Paid by Medicare$518,416
Procedure codes19

Dr. Nash's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 12,2752024: 15,79029%
Tests and treatments
2023: 6312024: 50121%
Surgery
2023: 2222024: 2251%
Office and hospital visits
2023: 1472024: 1377%
Other services
2023: 1,3902024: 0100%

Dr. Nash compared with the Colorado median for hematologists and oncologists, 2024

  • Dr. Nash
  • Colorado median
Medicare services
16,653vs 62426.7 times
Medicare patients
231vs 242Close to median
Part D claims
358vs 50329% below

Medians across 181 hematologists and oncologists in Colorado with Dmand AI profiles that report each measure.

Dr. Nash'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 Dr. Nash

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

Dr. Richard A. Nash treated 231 Medicare patients in 2024, average age 70

CMS counts 231 Medicare patients who saw Dr. Nash in 2024. The largest group is 65 to 74, with 120 patients. 65% of them have high cholesterol, and 63% have high blood pressure. 12% are also on Medicaid. Their average risk score is 3.10, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Nash's median patient age at 65, with 44% women.

Medicare patients, 2024231
Average age70
Average risk score3.10
Also on Medicaid12%

Dr. Nash's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Nash's Medicare patients by sex, 2024

  • Women10043%
  • Men13157%

Chronic conditions among Dr. Nash's Medicare patients, 2024

  1. High cholesterol65%
  2. High blood pressure63%
  3. Arthritis43%
  4. Chronic kidney disease32%
  5. Mood disorders31%
  6. Depression29%
  7. Ischemic heart disease28%
  8. Anxiety27%

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

Dr. Nash's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women44%
  • Men55%

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

Dr. Richard A. Nash wrote 597 Medicare Part D claims in 2024

In 2024, Dr. Nash wrote 597 Medicare Part D claims for 46 patients. 81% of them were for generic drugs. CMS names the drug for 358 of them, across 17 drugs with 11 or more claims each, at $950,332 in total drug cost. In 2023, CMS named 265 claims across 13 drugs.

Part D claims, 2024597
Drugs named by CMS17
Total drug cost$950,332
Part D patients46

Dr. Nash's Part D claims by kind of drug, 2024

  • Generic483 claims81%
  • Brand-name114 claims19%

Dr. Nash'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. Nash's Part D claims, 2024

  • Antibiotics6%37 of 597 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: 2652024: 35835%

Drugs named by CMS: 17 in 2024, 13 in 2023.

See all prescribing by Dr. Nash

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

Dr. Richard A. Nash offers telehealth to Medicare patients

Dr. Nash accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nash as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Richard A. Nash has 181 publications on record

Dmand AI links 181 papers to Dr. Nash, published from 2003 to 2024. 2017 was the busiest year, with 5. The most frequent topics are Hematopoietic Stem Cell Transplantation, Transplantation, Homologous and Bone Marrow Transplantation. Dr. Nash has published most often in Blood. Dr. Nash's most frequent co-authors are Claudio Anasetti, MD, Daniel E. Furst, MD and Maureen D. Mayes, MD.

Papers181
Years published2003 to 2024

Dr. Nash's papers by year, 2014 to 2024

Topics Dr. Nash writes about most

  • Hematopoietic Stem Cell Transplantation
  • Transplantation, Homologous
  • Bone Marrow Transplantation
  • Graft vs Host Disease
  • Dogs
  • Immunosuppressive Agents
  • Transplantation, Autologous
  • Transplantation Conditioning

Dr. Nash's most frequent co-authors

Recent publications by Dr. Nash

See all 181 publications and co-authors

See who Dr. Nash researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nash works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Richard A. Nash has worked on 16 clinical trials

Dmand AI links Dr. Nash to 16 clinical trials, 11 of them phase 2 studies. 3 are still active or recruiting. Conditions studied include Scleroderma, Systemic, Graft vs Host Disease and Sclerosis. Fred Hutchinson Cancer Center sponsors the most, 7.

Clinical trials with Dr. Nash by phase

  1. NonePhase 1: no trials
  2. 1Phase 1/2: 1 trial
  3. 11Phase 2: 11 trials
  4. 1Phase 2/3: 1 trial
  5. 1Phase 3: 1 trial
  6. NonePhase 4: no trials

Conditions in Dr. Nash's trials

  • Scleroderma, Systemic
  • Graft vs Host Disease
  • Sclerosis
  • Immune System Diseases
  • Chromosome 17 deletion

Investigators on the most trials with Dr. Nash

Recent clinical trials with Dr. Nash

See all 16 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Richard A. Nash received $1,799 in industry payments from 2016 to 2025

CMS Open Payments shows 70 general payments to Dr. Nash from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 89% of the total. Abbvie Inc. paid the most, $329.

General payments to Dr. Nash by program year, 2016 to 2025

General payments to Dr. Nash by kind, 2016 to 2025

$1.8Kin total
  • Food and beverage$1,60389%
  • Education$19611%

Companies that paid Dr. Nash the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Nash

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

Dr. Richard A. Nash graduated from University of Laval Faculty of Medicine

Dr. Nash graduated from University of Laval Faculty of Medicine in 1977.

  1. Medical schoolUniversity of Laval Faculty of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Richard A. Nash accepts plans from 17 insurance carriers

Dr. Nash is in network with 17 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Nash accepts, by number of carriers

  1. PPO12
  2. Medicare10
  3. HMO9
  4. POS5
  5. EPO4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Richard A. Nash'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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 Dr. Richard A. Nash

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. Richard A. Nash's NPI number?

Dr. Richard A. Nash's NPI number is 1194815050. It was assigned on October 13, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Richard A. Nash?

Dr. Richard A. Nash is a hematologist and oncologist in Denver, Colorado. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Richard A. Nash practice?

Dr. Nash practices at 1721 E 19th Ave, Denver, CO 80218. Dr. Nash's primary practice is HealthONE Clinic Services - Oncology Hematology in Denver, Colorado. Dmand AI also links Dr. Nash to 1 group practice or clinic.

What is Dr. Richard A. Nash's office phone number?

The practice phone on file for Dr. Nash is (720) 754-4800.

What is Dr. Richard A. Nash's medical license number?

Dr. Nash holds Colorado license 49931, one of the licenses on file in 2 states.

Which states has Dr. Richard A. Nash been licensed in?

Dmand AI has state licenses on file for Dr. Nash in Colorado (2011 to 2027) and Washington (1989 to 2012).

Which hospitals is Dr. Richard A. Nash affiliated with?

Dr. Nash is affiliated with HCA HealthONE Presbyterian St. Luke's.

What medical group is Dr. Richard A. Nash part of?

Dr. Nash is linked to HCA HealthONE Physicians.

Does Dr. Richard A. Nash accept Medicare?

Yes. CMS data shows Dr. Nash billed Medicare for 16,653 services in 2024, and Dr. Nash accepts Medicare assignment.

Does Dr. Richard A. Nash offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Nash as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Richard A. Nash see?

CMS counts 231 Medicare patients who saw Dr. Nash in 2024, with an average age of 70.

Is Dr. Richard A. Nash board certified?

Yes. Dr. Nash is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Richard A. Nash bill to Medicare?

In 2024, Dr. Nash's most billed Medicare services were injected or infused drug (J9144), injected or infused drug (J9025) and injected or infused drug (J1568).

Where did Dr. Richard A. Nash go to medical school?

Dr. Nash graduated from University of Laval Faculty of Medicine in 1977.

What drugs does Dr. Richard A. Nash prescribe most?

In 2024 Medicare Part D data, Dr. Nash's most prescribed drugs by claims were Acyclovir, Valacyclovir and Rezurock.

Has Dr. Richard A. Nash received payments from drug or device companies?

CMS Open Payments shows $1,799 in general payments to Dr. Nash from 24 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Richard A. Nash been practicing?

Dr. Nash graduated from medical school in 1977, 49 years ago.

Does Dr. Richard A. Nash do research?

Dmand AI links 181 publications to Dr. Nash, published from 2003 to 2024. Dr. Nash has worked on 16 clinical trials.

Who does Dr. Richard A. Nash publish with?

Dr. Nash's most frequent co-authors are Claudio Anasetti, MD (29 shared papers), Daniel E. Furst, MD (20 shared papers) and Maureen D. Mayes, MD (15 shared papers).

What insurance does Dr. Richard A. Nash accept?

Dr. Nash is in network with 17 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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