Doctor profile · Federal record
Dr. Guillermo Zegarra, M.D.
Specialist (CMS: Internal Medicine) · Internal Medicine Physician · Bullhead City, AZ
- NPI 1568478493
- Accepts Medicare
- 39 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2182 Highway 95
Bullhead City, AZ 864426044
(928) 758-6420
fax (928) 758-6509 - Additional location
-
1510 E Wagon Wheel Ln Ste 104
Fort Mohave, AZ 864266698
(928) 248-0518
fax (928) 514-2823
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 2, 2024
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- Arizona #32150
- Medicaid
- AS #932401
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568478493. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,324
Distinct HCPCS
10
Medicare allowed
$210,185
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 788 | 157 | $77 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 561 | 137 | $85 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 280 | 136 | $120 | |
99238 |
Hospital discharge day management, 30 minutes or less | 180 | 164 | $78 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 173 | 161 | $126 | |
99497 |
Advance care planning, first 30 minutes | 80 | 80 | $80 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 69 | 69 | $125 | |
G0442 |
Annual alcohol misuse screening, 5 to 15 minutes | 69 | 69 | $17 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 56 | 26 | $115 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 23 | 23 | $168 |
In context: peer comparison
Among 1 peers in Bullhead City Specialist, average services per provider: 178. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$300
Transactions
14
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US INC | 1 | $65.30 | |
| Xeris Pharmaceuticals, INC. | 3 | $56.71 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 2 | $40.91 | |
| Pfizer INC. | 2 | $38.30 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $36.88 | |
| Exact Sciences Corporation | 2 | $31.40 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $16.96 | |
| Boston Scientific Corporation | 1 | $13.99 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,108
Patients
1,907
Total drug cost
$64,707
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ibuprofen | Generic | 502 | 180 | $5,295 |
| Lisinopril | Generic | 445 | 147 | $4,940 |
| Metoprolol Tartrate | Generic | 444 | 169 | $4,344 |
| Metformin Hcl | Generic | 417 | 137 | $5,158 |
| Levothyroxine Sodium | Generic | 408 | 125 | $5,889 |
| Atorvastatin Calcium | Generic | 395 | 141 | $6,171 |
| Amlodipine Besylate | Generic | 387 | 131 | $4,407 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 363 | 233 | $5,486 |
| Gabapentin | Generic | 287 | 73 | $7,986 |
| Omeprazole | Generic | 271 | 88 | $4,830 |
Hospital affiliations
Frequently asked questions
What is Dr. Guillermo Zegarra's medical specialty?
Dr. Guillermo Zegarra practices Specialist in Bullhead City, AZ.
Where does Dr. Guillermo Zegarra practice?
Dr. Guillermo Zegarra practices at 2182 Highway 95, Bullhead City, AZ 864426044. Office phone: 9287586420.
What is Dr. Guillermo Zegarra's NPI?
Dr. Guillermo Zegarra's National Provider Identifier (NPI) is 1568478493, issued by NPPES.
Does Dr. Guillermo Zegarra accept Medicare assignment?
Yes. Dr. Guillermo Zegarra accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guillermo Zegarra commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.