Doctor profile · Federal record
Dr. William Gaspar, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Chandler, AZ
- NPI 1497739015
- Accepts Medicare
- 35 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1860 S Alma School RD, Ste 1
Chandler, AZ 852867078
(480) 361-1955 - Additional location
-
4311 E Lohman Ave
Las Cruces, NM 880118255
(575) 556-7600 - Mailing address
-
1860 S Alma School RD Ste 1
Chandler, AZ 852867078
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- March 2, 2026
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- New Mexico #96251 · Arizona #68691
- Medicaid
- NM #000L5164
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497739015. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
694
Distinct HCPCS
6
Medicare allowed
$61,330
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 443 | 164 | $77 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 93 | 39 | $115 | |
99238 |
Hospital discharge day management, 30 minutes or less | 67 | 67 | $78 | |
99239 |
Hospital discharge day management, more than 30 minutes | 59 | 59 | $111 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 21 | $168 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 11 | 11 | $126 |
In context: peer comparison
Among 36 peers in Chandler Internal Medicine Physician, average services per provider: 186. This provider delivers 3.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
40
Patients
39
Total drug cost
$397
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefuroxime (Cefuroxime Axetil) | Brand | 27 | 26 | $313 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 13 | 13 | $84 |
Frequently asked questions
What is Dr. William Gaspar's medical specialty?
Dr. William Gaspar practices Internal Medicine Physician in Chandler, AZ.
Where does Dr. William Gaspar practice?
Dr. William Gaspar practices at 1860 S Alma School RD, Chandler, AZ 852867078. Office phone: 4803611955.
What is Dr. William Gaspar's NPI?
Dr. William Gaspar's National Provider Identifier (NPI) is 1497739015, issued by NPPES.
Does Dr. William Gaspar accept Medicare assignment?
Yes. Dr. William Gaspar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Gaspar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.