Doctor profile · Federal record
Dr. Greta Guyer, MD
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · South Charleston, WV
- NPI 1477623775
- Accepts Medicare
- MIPS 83.5 / 100 · 2023
- 36 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
500 Poplar St, Suite 202
South Charleston, WV 253091474
(304) 346-2121
fax (304) 346-2176 - Additional location
-
4605 Maccorkle Ave Sw, Ths Physician Partners, INC. - Admin Ofc
South Charleston, WV 253091311
(304) 414-4800
fax (304) 414-4801 - Mailing address
-
4605 Maccorkle Ave Sw, Ths Physician Partners, INC. - Admin Ofc
South Charleston, WV 253091311
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- December 23, 2021
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- West Virginia #16889
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477623775. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,082
Distinct HCPCS
8
Medicare allowed
$69,977
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 391 | 202 | $90 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 327 | 45 | $48 | |
99439 |
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 125 | 31 | $29 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 116 | 53 | $32 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 37 | 37 | $128 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 37 | 15 | $76 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 26 | 24 | $56 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 23 | 22 | $126 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 153. This provider delivers 7.1× the peer median.Open Payments
Industry payments received
All-time total
$2,063
Transactions
105
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 17 | $344.18 | |
| Novo Nordisk Inc | 20 | $331.76 | |
| Insulet Corporation | 7 | $239.12 | |
| Medtronic, Inc. | 6 | $195.03 | |
| Amneal Pharmaceuticals LLC | 23 | $193.97 | |
| Dexcom, Inc. | 5 | $191.20 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 6 | $111.11 | |
| Bayer Healthcare Pharmaceuticals Inc. | 6 | $104.55 | |
| ABBVIE INC. | 4 | $100.80 | |
| Amgen Inc. | 4 | $73.71 | |
| Alexion Pharmaceuticals, Inc. | 2 | $54.74 | |
| Averitas Pharma Inc. | 2 | $45.93 | |
| Lilly USA, LLC | 1 | $22.96 | |
| Corcept Therapeutics | 1 | $20.41 | |
| Kyowa Kirin, Inc. | 1 | $19.39 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,491
Patients
702
Total drug cost
$1,676,634
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 602 | 157 | $10,065 |
| Synthroid (Levothyroxine Sodium) | Brand | 307 | 78 | $32,351 |
| Trulicity (Dulaglutide) | Brand | 199 | 43 | $366,061 |
| Novolog Flexpen (Insulin Aspart) | Brand | 161 | 54 | $204,015 |
| Mounjaro (Tirzepatide) | Brand | 150 | 34 | $222,966 |
| Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) | Brand | 141 | 49 | $165,976 |
| Metformin Hcl | Generic | 129 | 37 | $1,047 |
| Ozempic (Semaglutide) | Brand | 128 | 35 | $220,781 |
| Jardiance (Empagliflozin) | Brand | 115 | 37 | $157,868 |
| Novolog (Insulin Aspart) | Brand | 111 | 28 | $174,942 |
Hospital affiliations
Frequently asked questions
What is Dr. Greta Guyer's medical specialty?
Dr. Greta Guyer practices Endocrinology, Diabetes & Metabolism Physician in South Charleston, WV.
Where does Dr. Greta Guyer practice?
Dr. Greta Guyer practices at 500 Poplar St, South Charleston, WV 253091474. Office phone: 3043462121.
What is Dr. Greta Guyer's NPI?
Dr. Greta Guyer's National Provider Identifier (NPI) is 1477623775, issued by NPPES.
Does Dr. Greta Guyer accept Medicare assignment?
Yes. Dr. Greta Guyer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greta Guyer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Chronic care management services (HCPCS 99490); Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month (HCPCS 99439). Source: CMS Medicare Physician & Other Practitioners file.