Doctor profile · Federal record
Dr. Garineh Ovanessoff, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Internal Medicine) · Phoenix, AZ
- NPI 1669625851
- Accepts Medicare
- 18 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
500 W Thomas RD Ste 900B
Phoenix, AZ 850134223
(602) 406-3300
fax (602) 406-4272 - Additional location
-
655 S Dobson RD Ste B113
Chandler, AZ 852245667
(480) 728-5020
fax (480) 899-5023 - Mailing address
-
Po Box 33269
Phoenix, AZ 850673269
Credentials & registration
- NPI registered
- October 2008 — 18 yrs on file
- Profile last updated
- October 7, 2025
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Arizona #48635
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669625851. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
257
Distinct HCPCS
5
Medicare allowed
$24,878
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 159 | 74 | $122 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 36 | 15 | $32 | |
83036 |
Hemoglobin a1c level | 28 | 20 | $9 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 17 | $89 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 15 | 14 | $162 |
In context: peer comparison
Among 10 peers in Phoenix Endocrinology, Diabetes & Metabolism Physician, average services per provider: 148. This provider delivers 1.7× the peer median.Open Payments
Industry payments received
All-time total
$205
Transactions
13
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 12 | $137.37 | |
| Dexcom, INC. | 1 | $67.40 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,163
Patients
336
Total drug cost
$479,017
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 341 | 89 | $4,942 |
| Trulicity (Dulaglutide) | Brand | 121 | 26 | $170,852 |
| Metformin Hcl | Generic | 79 | 25 | $620 |
| Atorvastatin Calcium | Generic | 75 | 29 | $1,270 |
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 70 | 27 | $46,599 |
| Humalog Kwikpen U-100 (Insulin Lispro) | Brand | 57 | 18 | $54,479 |
| Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 54 | 24 | $5,509 |
| Humalog (Insulin Lispro) | Brand | 49 | 13 | $57,913 |
| Methimazole | Generic | 49 | 13 | $262 |
| Ozempic (Semaglutide) | Brand | 49 | 13 | $81,391 |
Frequently asked questions
What is Dr. Garineh Ovanessoff's medical specialty?
Dr. Garineh Ovanessoff practices Endocrinology, Diabetes & Metabolism Physician in Phoenix, AZ.
Where does Dr. Garineh Ovanessoff practice?
Dr. Garineh Ovanessoff practices at 500 W Thomas RD Ste 900B, Phoenix, AZ 850134223. Office phone: 6024063300.
What is Dr. Garineh Ovanessoff's NPI?
Dr. Garineh Ovanessoff's National Provider Identifier (NPI) is 1669625851, issued by NPPES.
Does Dr. Garineh Ovanessoff accept Medicare assignment?
Yes. Dr. Garineh Ovanessoff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garineh Ovanessoff 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); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.