Doctor profile · Federal record
Dr. Phenu Zachariah, DO
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Racine, WI
- NPI 1386838340
- Accepts Medicare
- 22 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1151 Warwick Way
Racine, WI 534065661
(262) 321-6300
fax (262) 321-6301 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- September 2007 — 19 yrs on file
- Profile last updated
- January 21, 2025
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (2)
- Wisconsin #70454 · Missouri #2010020902
- Medicaid (2)
- WI #100084384 · MO #1598759169
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386838340. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
502
Distinct HCPCS
7
Medicare allowed
$56,808
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 193 | 98 | $170 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 78 | 54 | $119 | |
G0108 |
Diabetes outpatient self-management training services, individual, per 30 minutes | 72 | 29 | $51 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 60 | 28 | $30 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 42 | 16 | $33 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 31 | 25 | $87 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 26 | 26 | $204 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 231. This provider delivers 2.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,448
Patients
337
Total drug cost
$1,081,774
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trulicity (Dulaglutide) | Brand | 246 | 42 | $319,041 |
| Levothyroxine Sodium | Generic | 232 | 57 | $3,001 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 158 | 48 | $103,613 |
| Ozempic (Semaglutide) | Brand | 93 | 16 | $105,472 |
| Jardiance (Empagliflozin) | Brand | 92 | 16 | $94,827 |
| Mounjaro (Tirzepatide) | Brand | 85 | 17 | $99,296 |
| Humalog Kwikpen U-100 (Insulin Lispro) | Brand | 78 | 25 | $91,662 |
| Lyumjev Kwikpen U-100 (Insulin Lispro-Aabc) | Brand | 70 | 20 | $73,327 |
| Methimazole | Generic | 69 | 16 | $542 |
| Tresiba Flextouch U-100 (Insulin Degludec) | Brand | 69 | 21 | $44,125 |
Frequently asked questions
What is Dr. Phenu Zachariah's medical specialty?
Dr. Phenu Zachariah practices Endocrinology, Diabetes & Metabolism Physician in Racine, WI.
Where does Dr. Phenu Zachariah practice?
Dr. Phenu Zachariah practices at 1151 Warwick Way, Racine, WI 534065661. Office phone: 2623216300.
What is Dr. Phenu Zachariah's NPI?
Dr. Phenu Zachariah's National Provider Identifier (NPI) is 1386838340, issued by NPPES.
Does Dr. Phenu Zachariah accept Medicare assignment?
Yes. Dr. Phenu Zachariah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Phenu Zachariah commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Diabetes outpatient self-management training services, individual, per 30 minutes (HCPCS G0108). Source: CMS Medicare Physician & Other Practitioners file.