Samuel Ash, M.D.
NPI 1083842231 · Pulmonary Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Ash, M.D. is a Pulmonary Disease Physician provider in Boston, MA (NPI 1083842231).
Provider details
- NPI number
- 1083842231
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60222860 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 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
349 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 236 | $219 |
| Critical Care, Each Additional 30 Minutes99292 | 36 | $111 |
| Emergent Insertion of Breathing Tube Into Windpipe Using an Endoscope31500 | 22 | $144 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 19 | $86 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 19 | $124 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 17 | $45 |
Practice location
Mailing address
Additional practice locations (1)
- 55 Fogg RdWeymouth, MA 02190-2432Phone: (781) 624-8000
Registry dates
- Enumerated
- 2009-06-26
- Last updated
- 2019-07-08
Frequently asked questions
- What is Samuel Ash's NPI number?
- Samuel Ash's National Provider Identifier (NPI) is 1083842231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Ash's specialty?
- Samuel Ash is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Ash located?
- Samuel Ash's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Samuel Ash's phone number?
- The practice phone number listed in the NPPES registry for Samuel Ash is (617) 732-7420.
- Does Samuel Ash accept Medicare?
- Samuel Ash is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Ash's NPI active?
- Yes — Samuel Ash's NPI (1083842231) is active in the NPPES registry as of the last update on 2019-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.