Doctor profile · Federal record
Dr. Nathaniel Reyes, M.D.
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Tucson, AZ
- NPI 1083879357
- Accepts Medicare
- 18 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
5301 E Grant RD
Tucson, AZ 857122805
(520) 324-5664
fax (520) 324-4156 - Additional location
-
1951 N Wilmot RD, Bldg 4
Tucson, AZ 857128000
(520) 318-1114
fax (520) 318-4693 - Mailing address
-
MSC 030, Po Box 29072
Phoenix, AZ 850389072
Credentials & registration
- NPI registered
- July 2008 — 18 yrs on file
- Profile last updated
- September 16, 2021
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- Arizona #47672
- Medicaid
- AZ #042339
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083879357. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
434
Distinct HCPCS
7
Medicare allowed
$73,385
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 271 | 130 | $208 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 82 | 53 | $114 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 31 | 25 | $78 | |
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 13 | 13 | $43 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $127 | |
99238 |
Hospital discharge day management, 30 minutes or less | 13 | 13 | $79 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 11 | 11 | $170 |
In context: peer comparison
Among 20 peers in Tucson Pulmonary Disease Physician, average services per provider: 74. This provider delivers 5.9× the peer median.Frequently asked questions
What is Dr. Nathaniel Reyes's medical specialty?
Dr. Nathaniel Reyes practices Pulmonary Disease Physician in Tucson, AZ.
Where does Dr. Nathaniel Reyes practice?
Dr. Nathaniel Reyes practices at 5301 E Grant RD, Tucson, AZ 857122805. Office phone: 5203245664.
What is Dr. Nathaniel Reyes's NPI?
Dr. Nathaniel Reyes's National Provider Identifier (NPI) is 1083879357, issued by NPPES.
Does Dr. Nathaniel Reyes accept Medicare assignment?
Yes. Dr. Nathaniel Reyes accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Reyes commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.