Rex Sagalla, DO
NPI 1174784516 · Internal Medicine Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rex Sagalla, DO is a Internal Medicine Physician provider in Stony Brook, NY (NPI 1174784516).
Provider details
- NPI number
- 1174784516
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- P0287 (TX)
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
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
532 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 | 140 | $119 |
| 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 | 88 | $15 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 79 | $165 |
| Test to Measure Rate of Airflow94375 | 62 | $35 |
| Critical Care, First 30-74 Minutes99291 | 61 | $195 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 250 | 93 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 138 | 35 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 101 | 27 |
| Albuterol Sulfatebrand: Ventolin Hfa | 94 | 34 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 80 | 15 |
| Budesonide/Formoterol Fumaratebrand: Symbicort |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-18
- Last updated
- 2015-06-01
Frequently asked questions
- What is Rex Sagalla's NPI number?
- Rex Sagalla's National Provider Identifier (NPI) is 1174784516, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rex Sagalla's specialty?
- Rex Sagalla is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rex Sagalla located?
- Rex Sagalla's practice location on file with NPPES is Stonybrook Univesity Medical Ctr, Stony Brook, NY 11794-8172.
- What is Rex Sagalla's phone number?
- The practice phone number listed in the NPPES registry for Rex Sagalla is (631) 444-3869.
- Does Rex Sagalla accept Medicare?
- Rex Sagalla is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rex Sagalla's NPI active?
- Yes — Rex Sagalla's NPI (1174784516) is active in the NPPES registry as of the last update on 2015-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.