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Dr. Gregory S. Sawicki, MD
NPI1295773588PAC ID3476644428
- Medicare services, 2019
- 28
- Part D claims, 2024
- 30
- Publications
- 216
- Clinical trials
- 5
- Hospital affiliations
- 1
- Practice address
- 300 Longwood Avenue, Boston, MA 02115
- Practice phone
- Call (617) 735-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sawicki's professional email, personal email and mobile number
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Dr. Gregory S. Sawicki is a pediatric pulmonology physician in Boston, Massachusetts
Dr. Sawicki practices at Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.
Dr. Sawicki's NPI, 1295773588, was assigned on June 2, 2006. Dr. Sawicki graduated from Harvard Medical School in 2001. Dr. Sawicki holds Massachusetts license 226814.
NPI and contact details
- NPI
- 1295773588NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476644428
- NPI enumeration date
- June 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 735-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregory S. Sawicki practices at Boston Children's Hospital in Boston, Massachusetts
Dr. Sawicki's primary practice is Boston Children's Hospital, at 300 Longwood Avenue, Boston, MA 02115 in Suffolk County. The practice phone is (617) 735-6000.
- Boston Children's Hospital300 Longwood Avenue, Boston, MA 02115 · Suffolk CountyPhone(617) 735-6000
Source: Dmand AI Affiliation Data
Dr. Gregory S. Sawicki is affiliated with 2 sites of care and 1 medical group
Dr. Sawicki's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. The medical group on file is Boston Children's Hospital. Dmand AI also links Dr. Sawicki to 1 more dialysis center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gregory S. Sawicki's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sawicki practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Children's Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Gregory S. Sawicki is one of 69 pediatric pulmonology physicians in Massachusetts
Pediatric pulmonology is Dr. Sawicki's primary specialty in the NPI Registry, under taxonomy code 2080P0214X. Dr. Sawicki is board certified in pediatric pulmonology by the American Board of Pediatrics. Dr. Sawicki is licensed in Massachusetts.
Specialties and state licenses
- Pediatric pulmonology, MassachusettsPrimary
Clinical focus
Dmand AI lists asthma among the conditions Dr. Sawicki treats.
Pediatric pulmonology physicians near Dr. Sawicki
Counts of pediatric pulmonology physicians with a Dmand AI profile, by place and practice. Each opens the list.
69pediatric pulmonology physicians in Massachusetts56pediatric pulmonology physicians in Boston42pediatric pulmonology physicians at Boston Children's Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gregory S. Sawicki billed Medicare for 28 services in 2019
CMS data shows 28 Medicare services from Dr. Sawicki across 1 procedure code in 2019. Medicare paid $199 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201928
Paid by Medicare$199
Procedure codes1
Dr. Sawicki's Medicare services by type, 2017 to 2019
- 2017
- 2019
- Tests and treatments
- 2017: 192019: 2847%
Dr. Sawicki compared with the Massachusetts median for pediatric pulmonology physicians, 2019
- Dr. Sawicki
- Massachusetts median
- Medicare services
- 28vs 142.0 times
- Part D claims
- 12vs 12Close to median
Medians across 30 pediatric pulmonology physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Sawicki's most billed Medicare procedure codes, 2019
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. Sawicki and other pediatric pulmonology physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregory S. Sawicki's patients have a median age of 11
Across all payers, Dmand AI patient panel data puts Dr. Sawicki's median patient age at 11, with 48% women.
Dr. Sawicki's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 11
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Gregory S. Sawicki wrote 30 Medicare Part D claims in 2024
In 2024, Dr. Sawicki wrote 30 Medicare Part D claims. 70% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $527 in total drug cost. In 2018, CMS named 11 claims across 1 drug.
Part D claims, 202430
Drugs named by CMS1
Total drug cost$527
Dr. Sawicki's Part D claims by kind of drug, 2024
- Generic21 claims70%
- Brand-name and other9 claims30%
Dr. Sawicki's most prescribed drugs by claims, 2022
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, 2018 to 2022
- 2018
- 2022
- Claims for drugs CMS names
- 2018: 112022: 129%
Drugs named by CMS: 1 in 2022, 1 in 2018.
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. Gregory S. Sawicki takes part in Medicare
Dr. Sawicki 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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Dr. Gregory S. Sawicki has 216 publications on record
Dmand AI links 216 papers to Dr. Sawicki, published from 2005 to 2025. 2017 was the busiest year, with 15. The most frequent topics are Cystic Fibrosis, Biomechanical Phenomena and Walking. Dr. Sawicki has published most often in J Cyst Fibros. Dr. Sawicki's most frequent co-authors are Michael W. Konstan, MD, Ahmet Z. Uluer, DO and Traci Kazmerski.
Papers216
Years published2005 to 2025
Dr. Sawicki's papers by year, 2016 to 2025
Topics Dr. Sawicki writes about most
- Cystic Fibrosis
- Biomechanical Phenomena
- Walking
- Cystic Fibrosis Transmembrane Conductance Regulator
- Aminophenols
- Gait
- Muscle, Skeletal
- Quinolones
Dr. Sawicki's most frequent co-authors
- Michael W. Konstan, MD15 shared papers
- Ahmet Z. Uluer, DO13 shared papers
- Traci Kazmerski11 shared papers
Recent publications by Dr. Sawicki
Patient Educ Couns
CaregiversCommunicationCystic Fibrosis
Male sexual and reproductive health in cystic fibrosis: A concept mapping study (opens in a new tab)
J Cyst Fibros
Cystic FibrosisReproductive HealthSexual Behavior
See who Dr. Sawicki researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sawicki works with, so you can find a warm path to the right pediatric pulmonology physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gregory S. Sawicki has worked on 5 clinical trials
Dmand AI links Dr. Sawicki to 5 clinical trials, 2 of them phase 3 studies. 1 is still active or recruiting. Conditions studied include Cystic Fibrosis, Infant, Newborn, Diseases and Pseudomonas Infections.
Conditions in Dr. Sawicki's trials
- Cystic Fibrosis
- Infant, Newborn, Diseases
- Pseudomonas Infections
- Substance Withdrawal Syndrome
- Gram-Negative Bacterial Infections
Investigators on the most trials with Dr. Sawicki
- Marie Eloise Egan, MD2 shared trials
- Albert Faro, MD2 shared trials
- David A. Schaeffer, MD2 shared trials
Recent clinical trials with Dr. Sawicki
Strength and Muscle Related Outcomes for Nutrition and Lung Function in CF (opens in a new tab)
Recruiting
Cystic FibrosisInfant, Newborn, DiseasesContinuous glucose monitoring (CGM)
Substance Withdrawal SyndromeCystic Fibrosis
Optimizing Ankle Exoskeleton Assistance for Walking Across the Life Span (opens in a new tab)
Completed
Ankle Exoskeleton Assistance
Study of Ataluren in Nonsense Mutation Cystic Fibrosis (ACT CF) (opens in a new tab)
CompletedPhase 3
Cystic FibrosisInfant, Newborn, DiseasesAtaluren (PTC124®)
OPTIMIZing Treatment for Early Pseudomonas Aeruginosa Infection in Cystic Fibrosis (opens in a new tab)
CompletedPhase 3
Pseudomonas InfectionsGram-Negative Bacterial InfectionsAzithromycinTobramycin solution for inhalation
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Gregory S. Sawicki received $144,090 in industry payments from 2016 to 2025
CMS Open Payments shows 155 general payments to Dr. Sawicki from 8 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 62% of the total. Vertex Pharmaceuticals Incorporated paid the most, $113,447.
General payments to Dr. Sawicki by program year, 2016 to 2025
General payments to Dr. Sawicki by kind, 2016 to 2025
$144.1Kin total
- Consulting fees$88,84262%
- Speaker and faculty fees$26,43018%
- Travel and lodging$25,64318%
- Food and beverage$3,0782%
- Education$970%
Companies that paid Dr. Sawicki 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. Gregory S. Sawicki graduated from Harvard Medical School
Dr. Sawicki graduated from Harvard Medical School in 2001.
- Medical school
- Board certified in pediatric pulmonology
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Gregory S. Sawicki accepts plans from 15 insurance carriers
Dr. Sawicki is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Elevance
- Aspirus Health Plan
- HCSC
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- +7 more carriersWith a free account
Plan types Dr. Sawicki accepts, by number of carriers
- HMO7
- PPO7
- EPO4
- POS4
- Medicaid3
- Medicare3
Source: Dmand AI Insurance Network Data
Sources for Dr. Gregory S. Sawicki'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 Data |
| 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) |
| 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. Gregory S. Sawicki
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. Gregory S. Sawicki's NPI number?
Dr. Gregory S. Sawicki's NPI number is 1295773588. It was assigned on June 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregory S. Sawicki?
Dr. Gregory S. Sawicki is a pediatric pulmonology physician in Boston, Massachusetts. The primary specialty in the NPI Registry is Pediatric Pulmonology Physician (taxonomy code 2080P0214X).
Where does Dr. Gregory S. Sawicki practice?
Dr. Sawicki practices at 300 Longwood Avenue, Boston, MA 02115. Dr. Sawicki's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dmand AI also links Dr. Sawicki to 1 dialysis center.
What is Dr. Gregory S. Sawicki's office phone number?
The practice phone on file for Dr. Sawicki is (617) 735-6000.
What is Dr. Gregory S. Sawicki's medical license number?
Dr. Sawicki holds Massachusetts license 226814.
Which hospitals is Dr. Gregory S. Sawicki affiliated with?
Dr. Sawicki practices at Boston Children's Hospital in Boston, Massachusetts.
What medical group is Dr. Gregory S. Sawicki part of?
Dr. Sawicki is linked to Boston Children's Hospital.
Does Dr. Gregory S. Sawicki accept Medicare?
Yes. CMS data shows Dr. Sawicki billed Medicare for 28 services in 2019, and Dr. Sawicki accepts Medicare assignment.
Is Dr. Gregory S. Sawicki board certified?
Yes. Dr. Sawicki is board certified in pediatric pulmonology by the American Board of Pediatrics.
What services does Dr. Gregory S. Sawicki bill to Medicare?
In 2019, Dr. Sawicki's most billed Medicare services were lung function service (94010).
Show 7 more questionsShow fewer questions
Where did Dr. Gregory S. Sawicki go to medical school?
Dr. Sawicki graduated from Harvard Medical School in 2001.
What drugs does Dr. Gregory S. Sawicki prescribe most?
In 2022 Medicare Part D data, Dr. Sawicki's most prescribed drugs by claims were Albuterol Sulfate Hfa.
Has Dr. Gregory S. Sawicki received payments from drug or device companies?
CMS Open Payments shows $144,090 in general payments to Dr. Sawicki from 8 companies from 2016 to 2025. The largest total came from Vertex Pharmaceuticals Incorporated.
How long has Dr. Gregory S. Sawicki been practicing?
Dr. Sawicki graduated from medical school in 2001, 25 years ago.
Does Dr. Gregory S. Sawicki do research?
Dmand AI links 216 publications to Dr. Sawicki, published from 2005 to 2025. Dr. Sawicki has worked on 5 clinical trials.
Who does Dr. Gregory S. Sawicki publish with?
Dr. Sawicki's most frequent co-authors are Michael W. Konstan, MD (15 shared papers), Ahmet Z. Uluer, DO (13 shared papers) and Traci Kazmerski (11 shared papers).
What insurance does Dr. Gregory S. Sawicki accept?
Dr. Sawicki is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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