Dr. Ryan Gordon Holstead, MD
- Medicare services, 2024
- 532
- Medicare patients, 2024
- 193
- Part D claims, 2024
- 634
- Publications
- 14
- MIPS score, 2024
- 100
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find Dr. Holstead'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. Ryan Gordon Holstead is a hematologist and oncologist in Mendon, Massachusetts
Dr. Holstead practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Holstead's NPI, 1952753873, was assigned on July 2, 2016. Dr. Holstead graduated from State University of NY Upstate Medical University in 2016. Dr. Holstead holds Massachusetts license 1014566.
- NPI
- 1952753873NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931444346
- NPI enumeration date
- July 2, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan Gordon Holstead practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Holstead's primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ryan Gordon Holstead is affiliated with 4 sites of care and 1 medical group
Dr. Holstead's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Holstead is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Holstead to 2 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan Gordon Holstead's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Holstead practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan Gordon Holstead is one of 429 hematologists and oncologists in Massachusetts
Hematology and oncology is Dr. Holstead's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Holstead is licensed in Massachusetts.
Specialties and state licenses
- Hematology and oncology, MassachusettsPrimary
Hematologists and oncologists near Dr. Holstead
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. Ryan Gordon Holstead billed Medicare for 532 services in 2024
CMS data shows 532 Medicare services from Dr. Holstead across 7 procedure codes in 2024, for 193 Medicare patients. Medicare paid $51,309 for them.
Dr. Holstead's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,4312024: 51264%
- Other services
- 2023: 02024: 20
- Drugs given in the office
- 2023: 35,2032024: 0100%
- Lab and pathology
- 2023: 5,5032024: 0100%
- Tests and treatments
- 2023: 5502024: 0100%
- Surgery
- 2023: 9442024: 0100%
Where Dr. Holstead's Medicare services took place, 2024
- In an office29956%
- In a facility23344%
Dr. Holstead compared with the Massachusetts median for hematologists and oncologists, 2024
- Dr. Holstead
- Massachusetts median
- Medicare services
- 532vs 4957% above
- Medicare patients
- 193vs 200Close to median
- Part D claims
- 441vs 1512.9 times
Medians across 415 hematologists and oncologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Holstead'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan Gordon Holstead treated 193 Medicare patients in 2024, average age 73
CMS counts 193 Medicare patients who saw Dr. Holstead in 2024. The largest group is 65 to 74, with 88 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 40% are also on Medicaid. Their average risk score is 2.39, 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. Holstead's median patient age at 71, with 40% women.
Dr. Holstead's Medicare patients by age, 2024
Dr. Holstead's Medicare patients by sex, 2024
- Women8645%
- Men10755%
Chronic conditions among Dr. Holstead's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Cancer56%
- Ischemic heart disease43%
- Anxiety40%
- Diabetes39%
- Arthritis38%
- COPD37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Holstead's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan Gordon Holstead wrote 634 Medicare Part D claims in 2024
In 2024, Dr. Holstead wrote 634 Medicare Part D claims for 131 patients. 87% of them were for generic drugs. CMS names the drug for 441 of them, across 18 drugs with 11 or more claims each, at $325,590 in total drug cost. In 2023, CMS named 665 claims across 32 drugs.
Dr. Holstead's Part D claims by kind of drug, 2024
- Generic552 claims87%
- Brand-name82 claims13%
Dr. Holstead'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. Holstead's Part D claims, 2024
- Opioids13%83 of 634 claims
- Antibiotics3%19 of 634 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: 6652024: 44134%
Drugs named by CMS: 18 in 2024, 32 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. Ryan Gordon Holstead scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Holstead for performance year 2024, reported through an alternative payment model (APM). Dr. Holstead accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Holstead as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Holstead's MIPS scores, performance year 2024
- 100of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 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. Ryan Gordon Holstead has 14 publications on record
Dmand AI links 14 papers to Dr. Holstead, published from 2010 to 2022. 2020 was the busiest year, with 5. The most frequent topics are Immune Checkpoint Inhibitors, Melanoma and Immunotherapy. Dr. Holstead has published most often in Immunotherapy. Dr. Holstead's most frequent co-authors are Sidra Khalid, MD, Maged Mofied Ghaly, MD and Dev Prakash Kamdar, MD.
Dr. Holstead's papers by year, 2010 to 2022
Topics Dr. Holstead writes about most
- Immune Checkpoint Inhibitors
- Melanoma
- Immunotherapy
- Carcinoma, Non-Small-Cell Lung
- Lung Neoplasms
- Programmed Cell Death 1 Receptor
- Adrenal Cortex Hormones
- Antineoplastic Combined Chemotherapy Protocols
Dr. Holstead's most frequent co-authors
- Sidra Khalid, MD2 shared papers
- Maged Mofied Ghaly, MD1 shared paper
- Dev Prakash Kamdar, MD1 shared paper
Recent publications by Dr. Holstead
J Oncol Pharm Pract
See who Dr. Holstead researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Holstead 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. Ryan Gordon Holstead received $1,164 in industry payments from 2021 to 2024
CMS Open Payments shows 41 general payments to Dr. Holstead from 23 drug and device companies from 2021 to 2024. Food and beverage make up the largest share, 99% of the total. Bristol-Myers Squibb Company paid the most, $188.
General payments to Dr. Holstead by program year, 2021 to 2024
General payments to Dr. Holstead by kind, 2021 to 2024
- Food and beverage$1,15199%
- Education$131%
Companies that paid Dr. Holstead the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan Gordon Holstead graduated from State University of NY Upstate Medical University
Dr. Holstead graduated from State University of NY Upstate Medical University in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ryan Gordon Holstead'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 DataDmand AI Org Hierarchy 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 |
| 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. Ryan Gordon Holstead
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. Ryan Gordon Holstead's NPI number?
Dr. Ryan Gordon Holstead's NPI number is 1952753873. It was assigned on July 2, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan Gordon Holstead?
Dr. Ryan Gordon Holstead is a hematologist and oncologist in Mendon, Massachusetts. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Ryan Gordon Holstead practice?
Dr. Holstead practices at 55 North Ave, Mendon, MA 01756. Dr. Holstead's primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links Dr. Holstead to 2 hospitals.
What is Dr. Ryan Gordon Holstead's office phone number?
The practice phone on file for Dr. Holstead is (508) 334-1000.
What is Dr. Ryan Gordon Holstead's medical license number?
Dr. Holstead holds Massachusetts license 1014566.
Which hospitals is Dr. Ryan Gordon Holstead affiliated with?
Dr. Holstead is affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Dr. Holstead to 2 more hospitals.
What medical group is Dr. Ryan Gordon Holstead part of?
Dr. Holstead is linked to UMass Memorial Medical Group.
Does Dr. Ryan Gordon Holstead accept Medicare?
Yes. CMS data shows Dr. Holstead billed Medicare for 532 services in 2024, and Dr. Holstead accepts Medicare assignment.
Does Dr. Ryan Gordon Holstead offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Holstead as offering telehealth services.
What is Dr. Ryan Gordon Holstead's MIPS score?
Dr. Holstead's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Ryan Gordon Holstead see?
CMS counts 193 Medicare patients who saw Dr. Holstead in 2024, with an average age of 73.
What services does Dr. Ryan Gordon Holstead bill to Medicare?
In 2024, Dr. Holstead's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and office visit, new patient (99205).
Where did Dr. Ryan Gordon Holstead go to medical school?
Dr. Holstead graduated from State University of NY Upstate Medical University in 2016.
What drugs does Dr. Ryan Gordon Holstead prescribe most?
In 2024 Medicare Part D data, Dr. Holstead's most prescribed drugs by claims were Prochlorperazine Maleate, Oxycodone HCl and Ondansetron HCl.
Has Dr. Ryan Gordon Holstead received payments from drug or device companies?
CMS Open Payments shows $1,164 in general payments to Dr. Holstead from 23 companies from 2021 to 2024. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Ryan Gordon Holstead been practicing?
Dr. Holstead graduated from medical school in 2016, 10 years ago.
Does Dr. Ryan Gordon Holstead do research?
Dmand AI links 14 publications to Dr. Holstead, published from 2010 to 2022.
Who does Dr. Ryan Gordon Holstead publish with?
Dr. Holstead's most frequent co-authors are Sidra Khalid, MD (2 shared papers), Maged Mofied Ghaly, MD (1 shared paper) and Dev Prakash Kamdar, MD (1 shared paper).
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