Doctor profile · Federal record
Dr. Ratnasiri Gunawardena, MD
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Specialist · Norfolk, VA
- NPI 1700851300
- Accepts Medicare
- MIPS 93.2 / 100 · 2023
- 32 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
850 Kempsville RD Ste 100E
Norfolk, VA 235023920
(757) 261-5744
fax (757) 261-0321 - Additional location
-
1066 Executive Parkway Dr, Suite 105
Saint Louis, MO 631416340
(314) 317-0600
fax (314) 317-0606
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- December 29, 2023
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State licenses (2)
- Virginia #0101239066 · Missouri #2003013994
- Medicaid
- MO #208828608
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700851300. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,151
Distinct HCPCS
6
Medicare allowed
$160,903
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,443 | 719 | $97 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 534 | 534 | $9 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 90 | 90 | $132 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 36 | 23 | $68 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 29 | 29 | $65 | |
36415 |
Insertion of needle into vein for collection of blood sample | 19 | 13 | $7 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 155. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,368
Patients
958
Total drug cost
$2,076,131
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 628 | 161 | $10,311 |
| Ozempic (Semaglutide) | Brand | 417 | 95 | $565,766 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 317 | 96 | $281,360 |
| Metformin Hcl | Generic | 272 | 88 | $3,039 |
| Glimepiride | Generic | 185 | 58 | $2,443 |
| Novolog Flexpen (Insulin Aspart) | Brand | 182 | 53 | $230,881 |
| Novolog Mix 70-30 Flexpen (Insulin Aspart Prot/Insuln Asp) | Brand | 178 | 49 | $319,222 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 172 | 52 | $1,658 |
| Humalog Kwikpen U-100 (Insulin Lispro) | Brand | 156 | 48 | $152,064 |
| Droplet Pen Needle (Pen Needle, Diabetic) | Brand | 152 | 51 | $11,457 |
Hospital affiliations
Frequently asked questions
What is Dr. Ratnasiri Gunawardena's medical specialty?
Dr. Ratnasiri Gunawardena practices Endocrinology, Diabetes & Metabolism Physician in Norfolk, VA.
Where does Dr. Ratnasiri Gunawardena practice?
Dr. Ratnasiri Gunawardena practices at 850 Kempsville RD Ste 100E, Norfolk, VA 235023920. Office phone: 7572615744.
What is Dr. Ratnasiri Gunawardena's NPI?
Dr. Ratnasiri Gunawardena's National Provider Identifier (NPI) is 1700851300, issued by NPPES.
Does Dr. Ratnasiri Gunawardena accept Medicare assignment?
Yes. Dr. Ratnasiri Gunawardena accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ratnasiri Gunawardena commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Dxa bone density measurement of hip, pelvis, spine (HCPCS 77080); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.