Henry Fessler, M.D.
NPI 1265469555 · Pulmonary Disease Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Henry Fessler, M.D. is a Pulmonary Disease Physician provider in Baltimore, MD (NPI 1265469555).
Provider details
- NPI number
- 1265469555
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D32645 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,086 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) |
|---|---|---|
| Test to Measure Expiratory Airflow and Volume94010 | 291 | $8 |
| Test to Measure Expiratory Airflow and Volume94010 | 199 | $29 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 197 | $59 |
| Test for Exercise-Induced Lung Stress94618 | 80 | $22 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 78 | $9 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 73 | $12 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout |
Practice location
Mailing address
Additional practice locations (1)
- 5501 Hopkins Bayview CirBaltimore, MD 21224-6821Phone: (410) 550-5864
Registry dates
- Enumerated
- 2006-06-26
- Last updated
- 2022-08-11
- Certified
- 2022-08-11
Frequently asked questions
- What is Henry Fessler's NPI number?
- Henry Fessler's National Provider Identifier (NPI) is 1265469555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Henry Fessler's specialty?
- Henry Fessler is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Henry Fessler located?
- Henry Fessler's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is Henry Fessler's phone number?
- The practice phone number listed in the NPPES registry for Henry Fessler is (443) 997-5437.
- Does Henry Fessler accept Medicare?
- Henry Fessler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Henry Fessler's NPI active?
- Yes — Henry Fessler's NPI (1265469555) is active in the NPPES registry as of the last update on 2022-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.