Doctor profile · Federal record
Dr. Alexander Zwart, MD, FACP
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Tucson, AZ
- NPI 1225018856
- Accepts Medicare
- MIPS 98.3 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
5910 N la Cholla Blvd
Tucson, AZ 857413535
(520) 297-0404
fax (520) 297-0436 - Additional location
-
1773 W Saint Marys RD Ste 202
Tucson, AZ 857452654 - Additional location
-
839 W Congress St
Tucson, AZ 857452819
(520) 670-3909
fax (520) 309-2560 - Mailing address
-
Po Box 43160
Tucson, AZ 857333160
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- December 4, 2025
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Arizona #23182
- Medicaid
- AZ #315160
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225018856. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,018
Distinct HCPCS
9
Medicare allowed
$108,670
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 579 | 519 | $124 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 139 | 114 | $34 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 106 | 95 | $82 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 67 | 67 | $161 | |
76536 |
Ultrasound scan of head and neck soft tissue | 39 | 39 | $109 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 31 | 31 | $110 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 21 | 11 | $78 | |
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 19 | 13 | $23 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 17 | 16 | $173 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 183. This provider delivers 5.6× the peer median.Open Payments
Industry payments received
All-time total
$326
Transactions
12
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Dexcom, Inc. | 7 | $138.48 | |
| Kyowa Kirin, Inc. | 1 | $130.70 | |
| Amgen Inc. | 2 | $31.84 | |
| Ascensia Diabetes Care Us Inc. | 1 | $16.83 | |
| BETA BIONICS, INC. | 1 | $8.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,050
Patients
914
Total drug cost
$540,421
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 869 | 265 | $17,457 |
| Atorvastatin Calcium | Generic | 270 | 78 | $3,485 |
| Methimazole | Generic | 186 | 61 | $3,674 |
| Synthroid (Levothyroxine Sodium) | Brand | 175 | 48 | $14,031 |
| Liothyronine Sodium | Generic | 171 | 56 | $11,628 |
| Alendronate Sodium | Generic | 157 | 38 | $1,487 |
| Metformin Hcl | Generic | 156 | 45 | $1,701 |
| Ezetimibe | Generic | 155 | 45 | $7,872 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 148 | 52 | $3,004 |
| Hydrocortisone | Generic | 140 | 44 | $12,589 |
Frequently asked questions
What is Dr. Alexander Zwart's medical specialty?
Dr. Alexander Zwart practices Endocrinology, Diabetes & Metabolism Physician in Tucson, AZ.
Where does Dr. Alexander Zwart practice?
Dr. Alexander Zwart practices at 5910 N la Cholla Blvd, Tucson, AZ 857413535. Office phone: 5202970404.
What is Dr. Alexander Zwart's NPI?
Dr. Alexander Zwart's National Provider Identifier (NPI) is 1225018856, issued by NPPES.
Does Dr. Alexander Zwart accept Medicare assignment?
Yes. Dr. Alexander Zwart accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Zwart commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.