Dr. Asa Joel Nixon, MD, MPH
- Medicare services, 2024
- 2,058
- Medicare patients, 2024
- 336
- Part D claims, 2024
- 64
- MIPS score, 2024
- 75
- Hospital affiliations
- 6
- Practice address
- 41 & 45 Mall Road, Burlington, MA 01803
- Practice phone
- Call (781) 744-5100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nixon's professional email, personal email and mobile number
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Dr. Asa Joel Nixon is a radiation oncologist in Burlington, Massachusetts
Dr. Nixon practices at Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.
Dr. Nixon's NPI, 1730285172, was assigned on September 15, 2006. Dr. Nixon graduated from New York University School of Medicine in 1988. Dr. Nixon holds New Hampshire license 10630.
- NPI
- 1730285172NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325060577
- NPI enumeration date
- September 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (781) 744-5100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Asa Joel Nixon practices at Lahey Clinic in Burlington, Massachusetts
Dr. Nixon's primary practice is Lahey Clinic, at 41 & 45 Mall Road, Burlington, MA 01803 in Middlesex County. The practice phone is (781) 744-5100.
- Lahey Clinic41 & 45 Mall Road, Burlington, MA 01803 · Middlesex CountyPhone(781) 744-5100
Source: Dmand AI Affiliation Data
Dr. Asa Joel Nixon is affiliated with 6 sites of care and 1 medical group
Dr. Nixon's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dr. Nixon is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Radiation Oncology Associates, PA. Dmand AI also links Dr. Nixon to 4 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Asa Joel Nixon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nixon practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lahey Clinic | Available with a free account |
| +5 more affiliated sites | 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 Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Asa Joel Nixon is one of 186 radiation oncologists in Massachusetts
Radiation oncology is Dr. Nixon's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Nixon is licensed in New Hampshire.
Specialties and state licenses
- Radiation oncology, New HampshirePrimary
Radiation oncologists near Dr. Nixon
Counts of radiation 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. Asa Joel Nixon billed Medicare for 2,058 services in 2024
CMS data shows 2,058 Medicare services from Dr. Nixon across 19 procedure codes in 2024, for 336 Medicare patients. Medicare paid $152,078 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nixon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,4672024: 1,5576%
- Office and hospital visits
- 2023: 2552024: 2531%
- Other services
- 2023: 1152024: 248116%
Dr. Nixon compared with the Massachusetts median for radiation oncologists, 2024
- Dr. Nixon
- Massachusetts median
- Medicare services
- 2,058vs 1,16177% above
- Medicare patients
- 336vs 17394% above
- Part D claims
- 40vs 2654% above
Medians across 182 radiation oncologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Nixon'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. Nixon and other radiation oncologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Asa Joel Nixon treated 336 Medicare patients in 2024, average age 76
CMS counts 336 Medicare patients who saw Dr. Nixon in 2024. The largest group is 75 to 84, with 157 patients. 75% of them have cancer, and 75% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.73, 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. Nixon's median patient age at 72, with 40% women.
Dr. Nixon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nixon's Medicare patients by sex, 2024
- Women13540%
- Men20160%
Chronic conditions among Dr. Nixon's Medicare patients, 2024
- Cancer75%
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes31%
- Ischemic heart disease31%
- Anxiety29%
- COPD29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nixon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women40%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Asa Joel Nixon wrote 64 Medicare Part D claims in 2024
In 2024, Dr. Nixon wrote 64 Medicare Part D claims for 32 patients. 91% of them were for generic drugs. CMS names the drug for 40 of them, across 2 drugs with 11 or more claims each, at $607 in total drug cost. In 2023, CMS named 21 claims across 1 drug.
Dr. Nixon's Part D claims by kind of drug, 2024
- Generic58 claims91%
- Brand-name and other6 claims9%
Dr. Nixon'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. Nixon's Part D claims, 2024
- Opioids20%13 of 64 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: 212024: 4090%
Drugs named by CMS: 2 in 2024, 1 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. Asa Joel Nixon scored 75 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Nixon for performance year 2024, reported as part of a group. Dr. Nixon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nixon as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- MIPS final score, 2024
- 75 of 100
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. Asa Joel Nixon received $277 in industry payments from 2016 to 2018
CMS Open Payments shows 4 general payments to Dr. Nixon from 4 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 56% of the total. Eli Lilly and Company paid the most, $122.
General payments to Dr. Nixon by program year, 2016 to 2018
General payments to Dr. Nixon by kind, 2016 to 2018
- Food and beverage$15556%
- Education$12244%
Companies that paid Dr. Nixon the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Asa Joel Nixon graduated from New York University School of Medicine
Dr. Nixon graduated from New York University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Asa Joel Nixon'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| 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. Asa Joel Nixon
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. Asa Joel Nixon's NPI number?
Dr. Asa Joel Nixon's NPI number is 1730285172. It was assigned on September 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Asa Joel Nixon?
Dr. Asa Joel Nixon is a radiation oncologist in Burlington, Massachusetts. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Asa Joel Nixon practice?
Dr. Nixon practices at 41 & 45 Mall Road, Burlington, MA 01803. Dr. Nixon's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Nixon to 4 hospitals.
What is Dr. Asa Joel Nixon's office phone number?
The practice phone on file for Dr. Nixon is (781) 744-5100.
What is Dr. Asa Joel Nixon's medical license number?
Dr. Nixon holds New Hampshire license 10630.
Which hospitals is Dr. Asa Joel Nixon affiliated with?
Dr. Nixon practices at Lahey Clinic in Burlington, Massachusetts. Dr. Nixon is also affiliated with Beth Israel Deaconess Medical Center. Dmand AI links Dr. Nixon to 4 more hospitals.
What medical group is Dr. Asa Joel Nixon part of?
Dr. Nixon is linked to Radiation Oncology Associates, PA.
Does Dr. Asa Joel Nixon accept Medicare?
Yes. CMS data shows Dr. Nixon billed Medicare for 2,058 services in 2024, and Dr. Nixon accepts Medicare assignment.
Does Dr. Asa Joel Nixon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nixon as offering telehealth services.
What is Dr. Asa Joel Nixon's MIPS score?
Dr. Nixon's MIPS final score for performance year 2024 is 75 out of 100, reported as part of a group.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Asa Joel Nixon see?
CMS counts 336 Medicare patients who saw Dr. Nixon in 2024, with an average age of 76.
What services does Dr. Asa Joel Nixon bill to Medicare?
In 2024, Dr. Nixon's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and radiation oncology (77300).
Where did Dr. Asa Joel Nixon go to medical school?
Dr. Nixon graduated from New York University School of Medicine in 1988.
What drugs does Dr. Asa Joel Nixon prescribe most?
In 2024 Medicare Part D data, Dr. Nixon's most prescribed drugs by claims were Tamsulosin HCl and Oxycodone HCl.
Has Dr. Asa Joel Nixon received payments from drug or device companies?
CMS Open Payments shows $277 in general payments to Dr. Nixon from 4 companies from 2016 to 2018. The largest total came from Eli Lilly and Company.
How long has Dr. Asa Joel Nixon been practicing?
Dr. Nixon graduated from medical school in 1988, 38 years ago.
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