Nathaniel Reyes, M.D.
NPI 1083879357 · Pulmonary Disease Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Reyes, M.D. is a Pulmonary Disease Physician provider in Tucson, AZ (NPI 1083879357).
Provider details
- NPI number
- 1083879357
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 47672 (AZ)
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
437 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 | 270 | $208 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 85 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 47 | $79 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 13 | $44 |
| Emergent Insertion of Breathing Tube Into Windpipe Using an Endoscope31500 | 11 | $139 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 1951 N Wilmot RdBldg 4Tucson, AZ 85712-8000Phone: (520) 318-1114Fax: (520) 318-4693
Registry dates
- Enumerated
- 2008-07-25
- Last updated
- 2021-09-16
- Certified
- 2021-09-16
Frequently asked questions
- What is Nathaniel Reyes's NPI number?
- Nathaniel Reyes's National Provider Identifier (NPI) is 1083879357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Reyes's specialty?
- Nathaniel Reyes is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nathaniel Reyes located?
- Nathaniel Reyes's practice location on file with NPPES is 5301 E Grant Rd, Tucson, AZ 85712-2805.
- What is Nathaniel Reyes's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Reyes is (520) 324-5664.
- Does Nathaniel Reyes accept Medicare?
- Nathaniel Reyes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Reyes's NPI active?
- Yes — Nathaniel Reyes's NPI (1083879357) is active in the NPPES registry as of the last update on 2021-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.