Dr. Payam Aghassi, MD
- Medicare services, 2024
- 3,576
- Medicare patients, 2024
- 1,471
- Part D claims, 2024
- 2,975
- MIPS score, 2024
- 100
- Hospital affiliations
- 5
- Practice address
- 85 Prescott St, Worcester, MA 01605
- Practice phone
- Call (978) 466-2692
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mass Lung & Allergy
Worcester, Massachusetts
Find Dr. Aghassi'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. Payam Aghassi is a pulmonologist in Worcester, Massachusetts
Dr. Aghassi practices at Mass Lung & Allergy in Worcester, Massachusetts.
Dr. Aghassi's NPI, 1093704298, was assigned on October 19, 2005. Dr. Aghassi holds Massachusetts license 216511.
- NPI
- 1093704298NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597751891
- NPI enumeration date
- October 19, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (978) 466-2692
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Payam Aghassi practices at Mass Lung & Allergy in Worcester, Massachusetts
Dr. Aghassi's primary practice is Mass Lung & Allergy, at 85 Prescott St, Worcester, MA 01605 in Worcester County. The practice phone is (978) 466-2692.
- Mass Lung & Allergy85 Prescott St, Worcester, MA 01605 · Worcester CountyPhone(978) 466-2692
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Payam Aghassi is affiliated with 10 sites of care and 4 medical groups
Dr. Aghassi's primary practice is Mass Lung & Allergy in Worcester, Massachusetts. Dr. Aghassi is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is Mass Lung & Allergy. Dmand AI also links Dr. Aghassi to 4 more hospitals, 4 group practices and clinics and 3 medical groups, 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. Payam Aghassi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aghassi practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mass Lung & Allergy | Available with a free account |
| +9 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Payam Aghassi is one of 485 pulmonologists in Massachusetts
Pulmonary disease is Dr. Aghassi's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Aghassi is licensed in Massachusetts.
Specialties and state licenses
- Pulmonary disease, MassachusettsPrimary
Pulmonologists near Dr. Aghassi
Counts of pulmonologists 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. Payam Aghassi billed Medicare for 3,576 services in 2024
CMS data shows 3,576 Medicare services from Dr. Aghassi across 15 procedure codes in 2024, for 1,471 Medicare patients. Medicare paid $362,677 for them.
Dr. Aghassi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,7022024: 2,8445%
- Tests and treatments
- 2023: 4432024: 53721%
- Other services
- 2023: 02024: 195
Where Dr. Aghassi's Medicare services took place, 2024
- In an office1,85752%
- In a facility1,71948%
Dr. Aghassi compared with the Massachusetts median for pulmonologists, 2024
- Dr. Aghassi
- Massachusetts median
- Medicare services
- 3,576vs 4757.5 times
- Medicare patients
- 1,471vs 2555.8 times
- Part D claims
- 2,830vs 3298.6 times
Medians across 481 pulmonologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Aghassi'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.
Need commercial claims for Dr. Aghassi?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Aghassi and other pulmonologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Payam Aghassi treated 1,471 Medicare patients in 2024, average age 72
CMS counts 1,471 Medicare patients who saw Dr. Aghassi in 2024. The largest group is 65 to 74, with 591 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 36% are also on Medicaid. Their average risk score is 1.92, 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. Aghassi's median patient age at 66, with 50% women.
Dr. Aghassi's Medicare patients by age, 2024
Dr. Aghassi's Medicare patients by sex, 2024
- Women78353%
- Men68847%
Chronic conditions among Dr. Aghassi's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- COPD52%
- Arthritis48%
- Anxiety42%
- Mood disorders42%
- Ischemic heart disease41%
- Depression39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Aghassi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Payam Aghassi wrote 2,975 Medicare Part D claims in 2024
In 2024, Dr. Aghassi wrote 2,975 Medicare Part D claims for 556 patients. 31% of them were for generic drugs. CMS names the drug for 2,830 of them, across 30 drugs with 11 or more claims each, at $1,546,514 in total drug cost. In 2023, CMS named 2,292 claims across 30 drugs.
Dr. Aghassi's Part D claims by kind of drug, 2024
- Generic926 claims31%
- Brand-name2,049 claims69%
Dr. Aghassi'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. Aghassi's Part D claims, 2024
- Antibiotics1%41 of 2,975 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: 2,2922024: 2,83023%
Drugs named by CMS: 30 in 2024, 30 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. Payam Aghassi 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. Aghassi for performance year 2024, reported through an alternative payment model (APM). Dr. Aghassi accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Aghassi'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. Payam Aghassi received $100,006 in industry payments from 2016 to 2025
CMS Open Payments shows 929 general payments to Dr. Aghassi from 51 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 81% of the total. AstraZeneca Pharmaceuticals LP paid the most, $43,727.
General payments to Dr. Aghassi by program year, 2016 to 2025
General payments to Dr. Aghassi by kind, 2016 to 2025
- Speaker and faculty fees$80,78481%
- Food and beverage$16,77317%
- Travel and lodging$2,1092%
- Education$3390%
Companies that paid Dr. Aghassi the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Payam Aghassi'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) |
| 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. Payam Aghassi
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. Payam Aghassi's NPI number?
Dr. Payam Aghassi's NPI number is 1093704298. It was assigned on October 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Payam Aghassi?
Dr. Payam Aghassi is a pulmonologist in Worcester, Massachusetts. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Payam Aghassi practice?
Dr. Aghassi practices at 85 Prescott St, Worcester, MA 01605. Dr. Aghassi's primary practice is Mass Lung & Allergy in Worcester, Massachusetts. Dmand AI also links Dr. Aghassi to 4 hospitals, 4 group practices and clinics and 3 medical groups.
What is Dr. Payam Aghassi's office phone number?
The practice phone on file for Dr. Aghassi is (978) 466-2692.
What is Dr. Payam Aghassi's medical license number?
Dr. Aghassi holds Massachusetts license 216511.
Which hospitals is Dr. Payam Aghassi affiliated with?
Dr. Aghassi is affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Dr. Aghassi to 4 more hospitals.
What medical group is Dr. Payam Aghassi part of?
Dr. Aghassi is linked to Mass Lung & Allergy. Dmand AI links Dr. Aghassi to 3 more medical groups.
Does Dr. Payam Aghassi accept Medicare?
Yes. CMS data shows Dr. Aghassi billed Medicare for 3,576 services in 2024, and Dr. Aghassi accepts Medicare assignment.
What is Dr. Payam Aghassi's MIPS score?
Dr. Aghassi's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Payam Aghassi see?
CMS counts 1,471 Medicare patients who saw Dr. Aghassi in 2024, with an average age of 72.
Show 4 more questionsShow fewer questions
What services does Dr. Payam Aghassi bill to Medicare?
In 2024, Dr. Aghassi's most billed Medicare services were hospital inpatient care (99233), office visit, established patient (99215) and office visit, established patient (99214).
What drugs does Dr. Payam Aghassi prescribe most?
In 2024 Medicare Part D data, Dr. Aghassi's most prescribed drugs by claims were Trelegy Ellipta, Albuterol Sulfate Hfa and Breztri Aerosphere.
Has Dr. Payam Aghassi received payments from drug or device companies?
CMS Open Payments shows $100,006 in general payments to Dr. Aghassi from 51 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Payam Aghassi been practicing?
Dr. Aghassi graduated from medical school in 1996, 30 years ago.
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