Bess Flashner, MD
NPI 1588044382 · Pulmonary Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bess Flashner, MD is a Pulmonary Disease Physician provider in Boston, MA (NPI 1588044382).
Provider details
- NPI number
- 1588044382
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 264176 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
601 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 142 | $149 |
| Test to Measure Expiratory Airflow and Volume94010 | 136 | $8 |
| Critical Care, First 30-74 Minutes99291 | 60 | $220 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 55 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 41 | $17 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician Or |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 154 | 31 |
| Nintedanib Esylatebrand: Ofev | 84 | 16 |
| Prednisone | 64 | 27 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 45 | 18 |
| Fluticasone Propion/Salmeterolbrand: Wixela Inhub | 45 | — |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 38 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$324 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-05
- Last updated
- 2022-10-19
- Certified
- 2022-10-19
Frequently asked questions
- What is Bess Flashner's NPI number?
- Bess Flashner's National Provider Identifier (NPI) is 1588044382, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bess Flashner's specialty?
- Bess Flashner is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Bess Flashner located?
- Bess Flashner's practice location on file with NPPES is 330 Brookline Ave, Boston, MA 02215-5400.
- What is Bess Flashner's phone number?
- The practice phone number listed in the NPPES registry for Bess Flashner is (617) 667-7000.
- Does Bess Flashner accept Medicare?
- Bess Flashner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bess Flashner's NPI active?
- Yes — Bess Flashner's NPI (1588044382) is active in the NPPES registry as of the last update on 2022-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.