Dr. Tara Brooke Kelley Gregory, MD
- Medicare services, 2024
- 9,531
- Medicare patients, 2024
- 250
- Part D claims, 2024
- 1,487
- Publications
- 12
- Clinical trials
- 10
- Practice address
- 1721 E 19th Ave, Denver, CO 80218
- Practice phone
- Call (720) 754-4800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
HealthONE Clinic Services - Oncology Hematology
Denver, Colorado
Find Dr. Gregory'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. Tara Brooke Kelley Gregory is a hematologist and oncologist in Denver, Colorado
Dr. Gregory practices at HealthONE Clinic Services - Oncology Hematology in Denver, Colorado.
Dr. Gregory's NPI, 1407973993, was assigned on March 22, 2007. Dr. Gregory graduated from College of Medicine - Tucson in 2004. Dr. Gregory holds Colorado license 47002.
- NPI
- 1407973993NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284786948
- NPI enumeration date
- March 22, 2007
- 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
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tara Brooke Kelley Gregory practices at HealthONE Clinic Services - Oncology Hematology in Denver, Colorado
Dr. Gregory'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 Hematology1721 E 19th Ave, Denver, CO 80218 · Denver CountyPhone(720) 754-4800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Tara Brooke Kelley Gregory is affiliated with 3 sites of care and 2 medical groups
Dr. Gregory's primary practice is HealthONE Clinic Services - Oncology Hematology in Denver, Colorado. Dr. Gregory is also affiliated with HCA HealthONE Presbyterian St. Luke's. The medical group on file is Select Physical Therapy. Dmand AI also links Dr. Gregory to 1 more group practice or clinic and 1 medical group, each 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. Tara Brooke Kelley Gregory's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregory practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HealthONE Clinic Services - Oncology Hematology | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tara Brooke Kelley Gregory is one of 179 hematologists and oncologists in Colorado
Hematology and oncology is Dr. Gregory's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Gregory is board certified in medical oncology by the American Board of Internal Medicine. Dmand AI has Dr. Gregory's licenses on file in 3 states: Colorado, Arizona and New Mexico.
Specialties and state licenses
- Hematology and oncology, ColoradoPrimary
- Arizona license
- New Mexico license
Clinical focus
Dmand AI lists chronic leukemia, lymphoma, multiple myeloma and neutropenia among the conditions Dr. Gregory treats.
Hematologists and oncologists near Dr. Gregory
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. Tara Brooke Kelley Gregory billed Medicare for 9,531 services in 2024
CMS data shows 9,531 Medicare services from Dr. Gregory across 14 procedure codes in 2024, for 250 Medicare patients. Medicare paid $358,352 for them. Every service was in an office.
Dr. Gregory's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 10,1472024: 8,18619%
- Surgery
- 2023: 4112024: 60848%
- Tests and treatments
- 2023: 5512024: 43920%
- Office and hospital visits
- 2023: 3042024: 2982%
Dr. Gregory compared with the Colorado median for hematologists and oncologists, 2024
- Dr. Gregory
- Colorado median
- Medicare services
- 9,531vs 62415.3 times
- Medicare patients
- 250vs 242Close to median
- Part D claims
- 1,122vs 5032.2 times
Medians across 181 hematologists and oncologists in Colorado with Dmand AI profiles that report each measure.
Dr. Gregory'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gregory and other hematologists and oncologists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tara Brooke Kelley Gregory treated 250 Medicare patients in 2024, average age 71
CMS counts 250 Medicare patients who saw Dr. Gregory in 2024. The largest group is 65 to 74, with 150 patients. 68% of them have high cholesterol, and 66% have high blood pressure. 9% are also on Medicaid. Their average risk score is 2.96, 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. Gregory's median patient age at 68, with 48% women.
Dr. Gregory's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gregory's Medicare patients by sex, 2024
- Women10843%
- Men14257%
Chronic conditions among Dr. Gregory's Medicare patients, 2024
- High cholesterol68%
- High blood pressure66%
- Arthritis44%
- Anxiety30%
- Mood disorders30%
- Chronic kidney disease28%
- Depression28%
- Diabetes26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gregory's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tara Brooke Kelley Gregory wrote 1,487 Medicare Part D claims in 2024
In 2024, Dr. Gregory wrote 1,487 Medicare Part D claims for 112 patients. 79% of them were for generic drugs. CMS names the drug for 1,122 of them, across 39 drugs with 11 or more claims each, at $3,750,781 in total drug cost. In 2023, CMS named 749 claims across 31 drugs.
Dr. Gregory's Part D claims by kind of drug, 2024
- Generic1,173 claims79%
- Brand-name314 claims21%
Dr. Gregory'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. Gregory's Part D claims, 2024
- Opioids2%32 of 1,487 claims
- Antibiotics10%147 of 1,487 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: 7492024: 1,12250%
Drugs named by CMS: 39 in 2024, 31 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
Dr. Tara Brooke Kelley Gregory scored 76 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 76 out of 100 for Dr. Gregory for performance year 2024, reported as part of a group. Dr. Gregory accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gregory as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Gregory's MIPS scores, performance year 2024
- 76of 100Final score
- 71.4of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Tara Brooke Kelley Gregory has 12 publications on record
Dmand AI links 12 papers to Dr. Gregory, published from 2009 to 2025. 2022 was the busiest year, with 3. The most frequent topics are Hematopoietic Stem Cell Transplantation, Multiple Myeloma and Antineoplastic Combined Chemotherapy Protocols. Dr. Gregory has published most often in Transplant Cell Ther. Dr. Gregory's most frequent co-authors are Navneet Singh Majhail, MD, Jesus G. Berdeja, MD and Vikas Bhushan, MD.
Dr. Gregory's papers by year, 2009 to 2025
Topics Dr. Gregory writes about most
- Hematopoietic Stem Cell Transplantation
- Multiple Myeloma
- Antineoplastic Combined Chemotherapy Protocols
- Graft vs Host Disease
- Receptors, Chimeric Antigen
Dr. Gregory's most frequent co-authors
- Navneet Singh Majhail, MD5 shared papers
- Jesus G. Berdeja, MD4 shared papers
- Vikas Bhushan, MD3 shared papers
Recent publications by Dr. Gregory
JCO Oncol Pract
See who Dr. Gregory researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gregory works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tara Brooke Kelley Gregory has worked on 10 clinical trials
Dmand AI links Dr. Gregory to 10 clinical trials, 4 of them phase 2 studies. 2 are still active or recruiting. Conditions studied include Graft vs Host Disease, Immunoglobulin Light-chain Amyloidosis and Multiple Myeloma. Prothena Biosciences Ltd. sponsors the most, 2.
Clinical trials with Dr. Gregory by phase
- 2Phase 1: 2 trials
- 1Phase 1/2: 1 trial
- 4Phase 2: 4 trials
- 2Phase 3: 2 trials
- NonePhase 4: no trials
Conditions in Dr. Gregory's trials
- Graft vs Host Disease
- Immunoglobulin Light-chain Amyloidosis
- Multiple Myeloma
- Amyloidosis
- Blood Protein Disorders
Investigators on the most trials with Dr. Gregory
- Jeffrey Victor Matous, MD4 shared trials
- Richard A. Nash, MD3 shared trials
- Michael A. Rosenzweig, MD3 shared trials
Recent clinical trials with Dr. Gregory
A Phase II Study of Elotuzumab, Pomalidomide, & Dexamethasone (Elo-Pom-Dex) With Second Autologous Stem Cell Transplantation for Relapsed Multiple Myeloma (opens in a new tab)
An Open-Label, Expanded Access Program of Ruxolitinib for the Treatment of Graft-Versus-Host Disease Following Allogeneic Hematopoietic Stem Cell Transplant (opens in a new tab)
Natural Killer Cell (CYNK-001) Infusions in Adults With Multiple Myeloma (opens in a new tab)
Study Evaluating the Safety and Efficacy of JCARH125 in Subjects With Relapsed and/or Refractory Multiple Myeloma (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Tara Brooke Kelley Gregory received $167,973 in industry payments from 2016 to 2025
CMS Open Payments shows 357 general payments to Dr. Gregory from 44 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 73% of the total. Amgen Inc. paid the most, $54,397.
General payments to Dr. Gregory by program year, 2016 to 2025
General payments to Dr. Gregory by kind, 2016 to 2025
- Speaker and faculty fees$123,43873%
- Consulting fees$27,95117%
- Travel and lodging$8,1865%
- Food and beverage$8,0545%
- Education$3440%
Companies that paid Dr. Gregory the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Tara Brooke Kelley Gregory graduated from College of Medicine - Tucson
Dr. Gregory graduated from College of Medicine - Tucson in 2004.
- Medical school
- Board certified in medical oncology
Source: Dmand AI Professional Profile Data
Dr. Tara Brooke Kelley Gregory accepts plans from 17 insurance carriers
Dr. Gregory is in network with 17 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Cigna
- Kaiser Permanente
- HCSC
- Aspirus Health Plan
- +9 more carriersWith a free account
Plan types Dr. Gregory accepts, by number of carriers
- PPO12
- Medicare11
- HMO9
- POS6
- EPO4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Tara Brooke Kelley Gregory'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Tara Brooke Kelley Gregory
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. Tara Brooke Kelley Gregory's NPI number?
Dr. Tara Brooke Kelley Gregory's NPI number is 1407973993. It was assigned on March 22, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Tara Brooke Kelley Gregory?
Dr. Tara Brooke Kelley Gregory 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. Tara Brooke Kelley Gregory practice?
Dr. Gregory practices at 1721 E 19th Ave, Denver, CO 80218. Dr. Gregory's primary practice is HealthONE Clinic Services - Oncology Hematology in Denver, Colorado. Dmand AI also links Dr. Gregory to 1 group practice or clinic and 1 medical group.
What is Dr. Tara Brooke Kelley Gregory's office phone number?
The practice phone on file for Dr. Gregory is (720) 754-4800.
What is Dr. Tara Brooke Kelley Gregory's medical license number?
Dr. Gregory holds Colorado license 47002, one of the licenses on file in 3 states.
Which states has Dr. Tara Brooke Kelley Gregory been licensed in?
Dmand AI has state licenses on file for Dr. Gregory in Colorado (2008 to 2027), Arizona and New Mexico (2013 to 2022).
Which hospitals is Dr. Tara Brooke Kelley Gregory affiliated with?
Dr. Gregory is affiliated with HCA HealthONE Presbyterian St. Luke's.
What medical group is Dr. Tara Brooke Kelley Gregory part of?
Dr. Gregory is linked to Select Physical Therapy. Dmand AI links Dr. Gregory to 1 more medical group.
Does Dr. Tara Brooke Kelley Gregory accept Medicare?
Yes. CMS data shows Dr. Gregory billed Medicare for 9,531 services in 2024, and Dr. Gregory accepts Medicare assignment.
Does Dr. Tara Brooke Kelley Gregory offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gregory as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Tara Brooke Kelley Gregory's MIPS score?
Dr. Gregory's MIPS final score for performance year 2024 is 76 out of 100, reported as part of a group.
How many Medicare patients does Dr. Tara Brooke Kelley Gregory see?
CMS counts 250 Medicare patients who saw Dr. Gregory in 2024, with an average age of 71.
Is Dr. Tara Brooke Kelley Gregory board certified?
Yes. Dr. Gregory is board certified in medical oncology by the American Board of Internal Medicine.
What services does Dr. Tara Brooke Kelley Gregory bill to Medicare?
In 2024, Dr. Gregory's most billed Medicare services were injected or infused drug (J9144), surgery: heart and blood vessels (36415) and injected or infused drug (J3475).
Where did Dr. Tara Brooke Kelley Gregory go to medical school?
Dr. Gregory graduated from College of Medicine - Tucson in 2004.
What drugs does Dr. Tara Brooke Kelley Gregory prescribe most?
In 2024 Medicare Part D data, Dr. Gregory's most prescribed drugs by claims were Acyclovir, Sulfamethoxazole-Trimethoprim and Jakafi.
Has Dr. Tara Brooke Kelley Gregory received payments from drug or device companies?
CMS Open Payments shows $167,973 in general payments to Dr. Gregory from 44 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Tara Brooke Kelley Gregory been practicing?
Dr. Gregory graduated from medical school in 2004, 22 years ago.
Does Dr. Tara Brooke Kelley Gregory do research?
Dmand AI links 12 publications to Dr. Gregory, published from 2009 to 2025. Dr. Gregory has worked on 10 clinical trials.
Who does Dr. Tara Brooke Kelley Gregory publish with?
Dr. Gregory's most frequent co-authors are Navneet Singh Majhail, MD (5 shared papers), Jesus G. Berdeja, MD (4 shared papers) and Vikas Bhushan, MD (3 shared papers).
What insurance does Dr. Tara Brooke Kelley Gregory accept?
Dr. Gregory is in network with 17 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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