Doctor profile · Federal record
Dr. Guoyu Ling, M.D.
Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Internal Medicine Physician · Saint Louis, MO
- NPI 1104112994
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1225 S Grand Blvd Fl 2
Saint Louis, MO 631041016
(314) 977-6157
fax (314) 977-5177 - Mailing address
-
1008 S Spring Ave Fl 2
Saint Louis, MO 631102520
Credentials & registration
- NPI registered
- June 2011 — 15 yrs on file
- Profile last updated
- May 23, 2025
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 207RE0101X — NUCC code
- State license (1)
- Missouri #2014021719
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1104112994. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
249
Distinct HCPCS
7
Medicare allowed
$21,165
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 78 | 22 | $78 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 57 | 49 | $96 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 46 | 45 | $124 | |
83036 |
Hemoglobin a1c level | 21 | 21 | $10 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 18 | 17 | $128 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 15 | 15 | $65 | |
95251 |
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | 14 | 12 | $34 |
In context: peer comparison
Among 33 peers in Saint Louis Endocrinology, Diabetes & Metabolism Physician, average services per provider: 421. This provider delivers 0.6× the peer median.Open Payments
Industry payments received
All-time total
$96
Transactions
4
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Radius Health, INC. | 1 | $49.54 | |
| Dexcom, INC. | 3 | $46.81 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,163
Patients
302
Total drug cost
$680,568
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) | Brand | 146 | 43 | $76,942 |
| Ozempic (Semaglutide) | Brand | 136 | 27 | $153,382 |
| Trulicity (Dulaglutide) | Brand | 113 | 23 | $135,350 |
| Levothyroxine Sodium | Generic | 106 | 34 | $1,794 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 101 | 27 | $965 |
| Jardiance (Empagliflozin) | Brand | 95 | 25 | $103,037 |
| Humalog Kwikpen U-100 (Insulin Lispro) | Brand | 80 | 24 | $45,478 |
| Metformin Hcl | Generic | 72 | 23 | $760 |
| Novolog Flexpen (Insulin Aspart) | Brand | 65 | 19 | $55,086 |
| Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) | Brand | 54 | 17 | $4,868 |
Hospital affiliations
Frequently asked questions
What is Dr. Guoyu Ling's medical specialty?
Dr. Guoyu Ling practices Endocrinology, Diabetes & Metabolism Physician in Saint Louis, MO.
Where does Dr. Guoyu Ling practice?
Dr. Guoyu Ling practices at 1225 S Grand Blvd Fl 2, Saint Louis, MO 631041016. Office phone: 3149776157.
What is Dr. Guoyu Ling's NPI?
Dr. Guoyu Ling's National Provider Identifier (NPI) is 1104112994, issued by NPPES.
Does Dr. Guoyu Ling accept Medicare assignment?
Yes. Dr. Guoyu Ling accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Guoyu Ling commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.