Mark Siegel, MD
NPI 1700861598 · Pulmonary Disease Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Siegel, MD is a Pulmonary Disease Physician provider in New Haven, CT (NPI 1700861598).
Provider details
- NPI number
- 1700861598
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 033081 (CT)
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 tenure28% of score
20 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
138 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 | 36 | $216 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 35 | $121 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 24 | $148 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $99 |
| Test to Measure Rate of Airflow94375 | 13 | $14 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 49 | 13 |
| Prednisone | 29 | — |
| Ipratropium Bromide | 23 | — |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 19 | — |
| Montelukast Sodium | 17 | — |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 16 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-14
- Last updated
- 2011-04-05
Frequently asked questions
- What is Mark Siegel's NPI number?
- Mark Siegel's National Provider Identifier (NPI) is 1700861598, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Siegel's specialty?
- Mark Siegel is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Siegel located?
- Mark Siegel's practice location on file with NPPES is 789 Howard Ave, New Haven, CT 06519-1304.
- What is Mark Siegel's phone number?
- The practice phone number listed in the NPPES registry for Mark Siegel is (203) 785-4198.
- Does Mark Siegel accept Medicare?
- Mark Siegel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Siegel's NPI active?
- Yes — Mark Siegel's NPI (1700861598) is active in the NPPES registry as of the last update on 2011-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.