Dr. Bess Flashner, MD
- Medicare services, 2024
- 601
- Medicare patients, 2024
- 265
- Part D claims, 2024
- 832
- Publications
- 13
- Hospital affiliations
- 3
- 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. Flashner'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. Bess Flashner is a pulmonologist in Boston, Massachusetts
Dr. Flashner practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Flashner's NPI, 1588044382, was assigned on June 5, 2015. Dr. Flashner graduated from George Washington University School of Medicine in 2015. Dr. Flashner holds Massachusetts license 278924.
- NPI
- 1588044382NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759699275
- NPI enumeration date
- June 5, 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
- Female
- 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. Bess Flashner practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Flashner's 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. Bess Flashner is affiliated with 4 sites of care and 4 medical groups
Dr. Flashner's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dr. Flashner is also affiliated with Beth Israel Deaconess Hospital-Needham. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Flashner to 1 more hospital, 3 medical groups and 1 group practice or clinic, 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. Bess Flashner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flashner practices, 4 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 |
| +3 more sites and 3 medical groups | 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. Bess Flashner is one of 485 pulmonologists in Massachusetts
Pulmonary disease is Dr. Flashner's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Flashner is licensed in Massachusetts.
Specialties and state licenses
- Pulmonary disease, MassachusettsPrimary
Pulmonologists near Dr. Flashner
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. Bess Flashner billed Medicare for 601 services in 2024
CMS data shows 601 Medicare services from Dr. Flashner across 11 procedure codes in 2024, for 265 Medicare patients. Medicare paid $36,453 for them.
Dr. Flashner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4552024: 29635%
- Tests and treatments
- 2023: 3732024: 20246%
- Other services
- 2023: 02024: 103
Where Dr. Flashner's Medicare services took place, 2024
- In an office5810%
- In a facility54390%
Dr. Flashner compared with the Massachusetts median for pulmonologists, 2024
- Dr. Flashner
- Massachusetts median
- Medicare services
- 601vs 47527% above
- Medicare patients
- 265vs 255Close to median
- Part D claims
- 667vs 3292.0 times
Medians across 481 pulmonologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Flashner'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. Flashner and other pulmonologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bess Flashner treated 265 Medicare patients in 2024, average age 75
CMS counts 265 Medicare patients who saw Dr. Flashner in 2024. The largest group is 65 to 74, with 108 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.11, 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. Flashner's median patient age at 73, with 52% women.
Dr. Flashner's Medicare patients by age, 2024
Dr. Flashner's Medicare patients by sex, 2024
- Women15759%
- Men10841%
Chronic conditions among Dr. Flashner's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- COPD51%
- Arthritis46%
- Mood disorders39%
- Anxiety38%
- Chronic kidney disease36%
- Heart failure36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Flashner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bess Flashner wrote 832 Medicare Part D claims in 2024
In 2024, Dr. Flashner wrote 832 Medicare Part D claims for 136 patients. 42% of them were for generic drugs. CMS names the drug for 667 of them, across 17 drugs with 11 or more claims each, at $1,593,808 in total drug cost. In 2023, CMS named 367 claims across 16 drugs.
Dr. Flashner's Part D claims by kind of drug, 2024
- Generic350 claims42%
- Brand-name482 claims58%
Dr. Flashner'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. Flashner's Part D claims, 2024
- Antibiotics3%25 of 832 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: 3672024: 66782%
Drugs named by CMS: 17 in 2024, 16 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. Bess Flashner takes part in Medicare
Dr. Flashner 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. Bess Flashner has 13 publications on record
Dmand AI links 13 papers to Dr. Flashner, published from 2011 to 2025. 2025 was the busiest year, with 3. Dr. Flashner has published most often in Respir Med Res. Dr. Flashner's most frequent co-authors are Robert William Hallowell, MD, Julia K. Munchel, MD and Diane R. Gold, MD.
Dr. Flashner's papers by year, 2011 to 2025
Dr. Flashner's most frequent co-authors
- Robert William Hallowell, MD5 shared papers
- Julia K. Munchel, MD3 shared papers
- Diane R. Gold, MD2 shared papers
Recent publications by Dr. Flashner
Respir Med Res
See who Dr. Flashner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Flashner works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Bess Flashner received $4,102 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Dr. Flashner from 1 drug or device company from 2024 to 2025. Consulting fees make up the largest share, 90% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $4,102.
General payments to Dr. Flashner by program year, 2024 to 2025
General payments to Dr. Flashner by kind, 2024 to 2025
- Consulting fees$3,69090%
- Travel and lodging$2997%
- Food and beverage$1133%
Companies that paid Dr. Flashner the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Bess Flashner graduated from George Washington University School of Medicine
Dr. Flashner graduated from George Washington University School of Medicine in 2015.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Bess Flashner'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Bess Flashner
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. Bess Flashner's NPI number?
Dr. Bess Flashner's NPI number is 1588044382. It was assigned on June 5, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Bess Flashner?
Dr. Bess Flashner is a pulmonologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Bess Flashner practice?
Dr. Flashner practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Flashner's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Flashner to 1 hospital, 3 medical groups and 1 group practice or clinic.
What is Dr. Bess Flashner's office phone number?
The practice phone on file for Dr. Flashner is (617) 667-7000.
What is Dr. Bess Flashner's medical license number?
Dr. Flashner holds Massachusetts license 278924.
Which hospitals is Dr. Bess Flashner affiliated with?
Dr. Flashner practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts. Dr. Flashner is also affiliated with Beth Israel Deaconess Hospital-Needham. Dmand AI links Dr. Flashner to 1 more hospital.
What medical group is Dr. Bess Flashner part of?
Dr. Flashner is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Dr. Flashner to 3 more medical groups.
Does Dr. Bess Flashner accept Medicare?
Yes. CMS data shows Dr. Flashner billed Medicare for 601 services in 2024, and Dr. Flashner accepts Medicare assignment.
How many Medicare patients does Dr. Bess Flashner see?
CMS counts 265 Medicare patients who saw Dr. Flashner in 2024, with an average age of 75.
What services does Dr. Bess Flashner bill to Medicare?
In 2024, Dr. Flashner's most billed Medicare services were office visit, established patient (99215), lung function service (94010) and medicare service (G2211).
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Where did Dr. Bess Flashner go to medical school?
Dr. Flashner graduated from George Washington University School of Medicine in 2015.
What drugs does Dr. Bess Flashner prescribe most?
In 2024 Medicare Part D data, Dr. Flashner's most prescribed drugs by claims were Trelegy Ellipta, Ofev and Prednisone.
Has Dr. Bess Flashner received payments from drug or device companies?
CMS Open Payments shows $4,102 in general payments to Dr. Flashner from 1 company from 2024 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Bess Flashner been practicing?
Dr. Flashner graduated from medical school in 2015, 11 years ago.
Does Dr. Bess Flashner do research?
Dmand AI links 13 publications to Dr. Flashner, published from 2011 to 2025.
Who does Dr. Bess Flashner publish with?
Dr. Flashner's most frequent co-authors are Robert William Hallowell, MD (5 shared papers), Julia K. Munchel, MD (3 shared papers) and Diane R. Gold, MD (2 shared papers).
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