Dr. Nicholas J. Nassikas, MD
- Medicare services, 2024
- 323
- Medicare patients, 2024
- 161
- Part D claims, 2024
- 257
- Hospital affiliations
- 5
- Medical groups
- 2
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nassikas' professional email, personal email and mobile number
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Dr. Nicholas J. Nassikas is a pulmonologist in Boston, Massachusetts
Dr. Nassikas practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Nassikas' NPI, 1598143273, was assigned on May 13, 2015. Dr. Nassikas holds Massachusetts license 289959.
- NPI
- 1598143273NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022324607
- NPI enumeration date
- May 13, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nicholas J. Nassikas practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Nassikas' primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. Nicholas J. Nassikas is affiliated with 5 sites of care and 2 medical groups
Dr. Nassikas' primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dr. Nassikas is also affiliated with Lahey Clinic. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Nassikas to 3 more hospitals and 1 medical group, 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. Nicholas J. Nassikas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nassikas practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +4 more sites and 1 medical group | 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. Nicholas J. Nassikas is one of 485 pulmonologists in Massachusetts
Pulmonary disease is Dr. Nassikas' primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Nassikas is licensed in Massachusetts.
Specialties and state licenses
- Pulmonary disease, MassachusettsPrimary
Pulmonologists near Dr. Nassikas
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. Nicholas J. Nassikas billed Medicare for 323 services in 2024
CMS data shows 323 Medicare services from Dr. Nassikas across 7 procedure codes in 2024, for 161 Medicare patients. Medicare paid $36,262 for them.
Dr. Nassikas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1972024: 23921%
- Other services
- 2023: 02024: 73
- Surgery
- 2023: 212024: 1148%
Where Dr. Nassikas' Medicare services took place, 2024
- In an office16350%
- In a facility16050%
Dr. Nassikas compared with the Massachusetts median for pulmonologists, 2024
- Dr. Nassikas
- Massachusetts median
- Medicare services
- 323vs 47532% below
- Medicare patients
- 161vs 25537% below
- Part D claims
- 170vs 32948% below
Medians across 481 pulmonologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Nassikas' 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. Nicholas J. Nassikas treated 161 Medicare patients in 2024, average age 74
CMS counts 161 Medicare patients who saw Dr. Nassikas in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 35% are also on Medicaid. Their average risk score is 3.12, 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. Nassikas' median patient age at 72, with 54% women.
Dr. Nassikas' Medicare patients by age, 2024
Dr. Nassikas' Medicare patients by sex, 2024
- Women8955%
- Men7245%
Chronic conditions among Dr. Nassikas' Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Chronic kidney disease49%
- Arthritis45%
- Heart failure45%
- Ischemic heart disease45%
- Anxiety43%
- Diabetes42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nassikas' 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
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nicholas J. Nassikas wrote 257 Medicare Part D claims in 2024
In 2024, Dr. Nassikas wrote 257 Medicare Part D claims for 51 patients. 39% of them were for generic drugs. CMS names the drug for 170 of them, across 11 drugs with 11 or more claims each, at $100,456 in total drug cost. In 2023, CMS named 34 claims across 3 drugs.
Dr. Nassikas' Part D claims by kind of drug, 2024
- Generic101 claims39%
- Brand-name156 claims61%
Dr. Nassikas' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 342024: 170400%
Drugs named by CMS: 11 in 2024, 3 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
How Dr. Nicholas J. Nassikas takes part in Medicare
Dr. Nassikas accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Dr. Nicholas J. Nassikas'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) |
| 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. Nicholas J. Nassikas
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. Nicholas J. Nassikas' NPI number?
Dr. Nicholas J. Nassikas' NPI number is 1598143273. It was assigned on May 13, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas J. Nassikas?
Dr. Nicholas J. Nassikas is a pulmonologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Nicholas J. Nassikas practice?
Dr. Nassikas practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Nassikas' primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Nassikas to 3 hospitals and 1 medical group.
What is Dr. Nicholas J. Nassikas' office phone number?
The practice phone on file for Dr. Nassikas is (617) 667-7000.
What is Dr. Nicholas J. Nassikas' medical license number?
Dr. Nassikas holds Massachusetts license 289959.
Which hospitals is Dr. Nicholas J. Nassikas affiliated with?
Dr. Nassikas practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts. Dr. Nassikas is also affiliated with Lahey Clinic. Dmand AI links Dr. Nassikas to 3 more hospitals.
What medical group is Dr. Nicholas J. Nassikas part of?
Dr. Nassikas is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Nassikas to 1 more medical group.
Does Dr. Nicholas J. Nassikas accept Medicare?
Yes. CMS data shows Dr. Nassikas billed Medicare for 323 services in 2024, and Dr. Nassikas accepts Medicare assignment.
How many Medicare patients does Dr. Nicholas J. Nassikas see?
CMS counts 161 Medicare patients who saw Dr. Nassikas in 2024, with an average age of 74.
What services does Dr. Nicholas J. Nassikas bill to Medicare?
In 2024, Dr. Nassikas' most billed Medicare services were critical care (99291), medicare service (G2211) and office visit, established patient (99215).
What drugs does Dr. Nicholas J. Nassikas prescribe most?
In 2024 Medicare Part D data, Dr. Nassikas' most prescribed drugs by claims were Montelukast Sodium, Trelegy Ellipta and Spiriva Respimat.
How long has Dr. Nicholas J. Nassikas been practicing?
Dr. Nassikas graduated from medical school in 2015, 11 years ago.
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