Gregory Bassmann, MD
NPI 1174781611 · Pulmonary Disease Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Bassmann, MD is a Pulmonary Disease Physician provider in Baltimore, MD (NPI 1174781611).
Provider details
- NPI number
- 1174781611
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D77581 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
912 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 181 | $133 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 99 | $47 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 99 | $59 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 96 | $80 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 80 | $40 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 70 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 158 | 59 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 102 | 25 |
| Montelukast Sodium | 80 | 21 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 77 | 26 |
| Azelastine Hcl | 56 | 24 |
| Prednisone | 55 | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-31
- Last updated
- 2016-07-19
Frequently asked questions
- What is Gregory Bassmann's NPI number?
- Gregory Bassmann's National Provider Identifier (NPI) is 1174781611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Bassmann's specialty?
- Gregory Bassmann is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Bassmann located?
- Gregory Bassmann's practice location on file with NPPES is 6565 N Charles St, Baltimore, MD 21204-6800.
- What is Gregory Bassmann's phone number?
- The practice phone number listed in the NPPES registry for Gregory Bassmann is (443) 849-3901.
- Does Gregory Bassmann accept Medicare?
- Gregory Bassmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Bassmann's NPI active?
- Yes — Gregory Bassmann's NPI (1174781611) is active in the NPPES registry as of the last update on 2016-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.