Dr. Adam Flaczyk, MD, MS

  • Boston, MA
  • Anesthesiologist
NPI1043715568PAC ID3173871142
Medicare services, 2024
202
Medicare patients, 2024
366
Part D claims, 2019
14
Publications
15
Hospital affiliations
2
Practice address
55 Fruit Street, Boston, MA 02114
Practice phone
Call (617) 726-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Massachusetts General Hospital

Hospital · Boston, Massachusetts

See all 6 affiliations

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Dr. Adam Flaczyk is an anesthesiologist in Boston, Massachusetts

Dr. Flaczyk practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.

Dr. Flaczyk's NPI, 1043715568, was assigned on March 27, 2018. Dr. Flaczyk holds Massachusetts license 291484.

NPI and contact details
Medicare PAC ID
3173871142
NPI enumeration date
March 27, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(617) 726-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
34
Medical school graduation
2018

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Adam Flaczyk practices at Massachusetts General Hospital in Boston, Massachusetts

Dr. Flaczyk's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.

Source: Dmand AI Affiliation Data

Dr. Adam Flaczyk is affiliated with 3 sites of care and 3 medical groups

Dr. Flaczyk's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Flaczyk is also affiliated with Salem Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Flaczyk to 2 more medical groups and 1 community health center, each named with a free account.

See all 6 affiliations for Dr. Flaczyk

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Adam Flaczyk's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flaczyk practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Massachusetts General HospitalAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Adam Flaczyk is one of 1,552 anesthesiologists in Massachusetts

Anesthesiology is Dr. Flaczyk's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Flaczyk is licensed in Massachusetts.

Specialties and state licenses

  • Anesthesiology, MassachusettsPrimaryLicense 291484 · taxonomy 207L00000X

Anesthesiologists near Dr. Flaczyk

Counts of anesthesiologists 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. Adam Flaczyk billed Medicare for 202 services in 2024

CMS data shows 202 Medicare services from Dr. Flaczyk across 8 procedure codes in 2024, for 366 Medicare patients. Medicare paid $27,841 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024202
Medicare patients366
Paid by Medicare$27,841
Procedure codes8

Dr. Flaczyk's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Anesthesia
2023: 1302024: 20255%

Dr. Flaczyk compared with the Massachusetts median for anesthesiologists, 2024

  • Dr. Flaczyk
  • Massachusetts median
Medicare services
202vs 12660% above
Medicare patients
366vs 20083% above
Part D claims
14vs 2952% below

Medians across 1,366 anesthesiologists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Flaczyk'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.

See all procedures by Dr. Flaczyk

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Adam Flaczyk treated 366 Medicare patients in 2024, average age 72

CMS counts 366 Medicare patients who saw Dr. Flaczyk in 2024. The largest group is 65 to 74, with 160 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.16, 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. Flaczyk's median patient age at 62, with 39% women.

Medicare patients, 2024366
Average age72
Average risk score2.16
Also on Medicaid27%

Dr. Flaczyk's Medicare patients by age, 2024

Dr. Flaczyk's Medicare patients by sex, 2024

  • Women18751%
  • Men17949%

Chronic conditions among Dr. Flaczyk's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis56%
  4. Anxiety45%
  5. Ischemic heart disease43%
  6. Mood disorders42%
  7. Chronic kidney disease37%
  8. Depression37%

Share of Medicare patients with each condition. A patient can have several.

Dr. Flaczyk's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women39%
  • Men61%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Adam Flaczyk wrote 14 Medicare Part D claims in 2019

In 2019, Dr. Flaczyk wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $71 in total drug cost.

Part D claims, 201914
Drugs named by CMS1
Total drug cost$71

Dr. Flaczyk's most prescribed drugs by claims, 2019

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Flaczyk

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

How Dr. Adam Flaczyk takes part in Medicare

Dr. Flaczyk 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. Adam Flaczyk has 15 publications on record

Dmand AI links 15 papers to Dr. Flaczyk, published from 2012 to 2021. 2016 was the busiest year, with 3. The most frequent topics are Cryptococcosis, Cryptococcus neoformans and Dendritic Cells. Dr. Flaczyk has published most often in Infect Immun. Dr. Flaczyk's most frequent co-authors are Jeffrey Louis Curtis, MD, Stephen Wesley Chensue, MD and Marvin Guinyu Chang, MD, PhD.

Papers15
Years published2012 to 2021

Dr. Flaczyk's papers by year, 2012 to 2021

Topics Dr. Flaczyk writes about most

  • Cryptococcosis
  • Cryptococcus neoformans
  • Dendritic Cells
  • Disease Models, Animal
  • Immunity, Innate
  • Cytokines
  • Interferon-gamma
  • Lung

Dr. Flaczyk's most frequent co-authors

Recent publications by Dr. Flaczyk

See all 15 publications and co-authors

See who Dr. Flaczyk researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Flaczyk works with, so you can find a warm path to the right anesthesiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Adam Flaczyk received $115 in industry payments in 2024

CMS Open Payments shows 1 general payment to Dr. Flaczyk from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Fisher & Paykel Healthcare Inc paid the most, $115.

Companies that paid Dr. Flaczyk the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Flaczyk

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Adam Flaczyk's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Adam Flaczyk

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. Adam Flaczyk's NPI number?

Dr. Adam Flaczyk's NPI number is 1043715568. It was assigned on March 27, 2018, and it is active in the NPI Registry.

What kind of doctor is Dr. Adam Flaczyk?

Dr. Adam Flaczyk is an anesthesiologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Adam Flaczyk practice?

Dr. Flaczyk practices at 55 Fruit Street, Boston, MA 02114. Dr. Flaczyk's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Flaczyk to 2 medical groups and 1 community health center.

What is Dr. Adam Flaczyk's office phone number?

The practice phone on file for Dr. Flaczyk is (617) 726-2000.

What is Dr. Adam Flaczyk's medical license number?

Dr. Flaczyk holds Massachusetts license 291484.

Which hospitals is Dr. Adam Flaczyk affiliated with?

Dr. Flaczyk practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Flaczyk is also affiliated with Salem Hospital.

What medical group is Dr. Adam Flaczyk part of?

Dr. Flaczyk is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Flaczyk to 2 more medical groups.

Does Dr. Adam Flaczyk accept Medicare?

Yes. CMS data shows Dr. Flaczyk billed Medicare for 202 services in 2024, and Dr. Flaczyk accepts Medicare assignment.

How many Medicare patients does Dr. Adam Flaczyk see?

CMS counts 366 Medicare patients who saw Dr. Flaczyk in 2024, with an average age of 72.

What services does Dr. Adam Flaczyk bill to Medicare?

In 2024, Dr. Flaczyk's most billed Medicare services were anesthesia (00731), anesthesia (00811) and anesthesia (00813).

Show 5 more questionsShow fewer questions

What drugs does Dr. Adam Flaczyk prescribe most?

In 2019 Medicare Part D data, Dr. Flaczyk's most prescribed drugs by claims were Gabapentin.

Has Dr. Adam Flaczyk received payments from drug or device companies?

CMS Open Payments shows $115 in general payments to Dr. Flaczyk from 1 company from 2024 to 2024. The largest total came from Fisher & Paykel Healthcare Inc.

How long has Dr. Adam Flaczyk been practicing?

Dr. Flaczyk graduated from medical school in 2018, 8 years ago.

Does Dr. Adam Flaczyk do research?

Dmand AI links 15 publications to Dr. Flaczyk, published from 2012 to 2021.

Who does Dr. Adam Flaczyk publish with?

Dr. Flaczyk's most frequent co-authors are Jeffrey Louis Curtis, MD (4 shared papers), Stephen Wesley Chensue, MD (2 shared papers) and Marvin Guinyu Chang, MD, PhD (1 shared paper).

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