Doctor profile · Federal record
Dr. Steven Diener, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Columbia, MD
- NPI 1558362111
- Accepts Medicare
- MIPS 89.4 / 100 · 2023
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5900 Waterloo RD Ste 200
Columbia, MD 210452641
(410) 740-2900
fax (410) 992-0732 - Mailing address
-
7580 Buckingham Blvd Ste 220
Hanover, MD 210763210
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- March 16, 2023
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Maryland #D34868
- Medicaid
- MD #443221500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558362111. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
8,237
Distinct HCPCS
10
Medicare allowed
$266,172
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,468 | 644 | $105 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 858 | 521 | $13 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 541 | 346 | $8 | |
80076 |
Liver function blood test panel | 481 | 320 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 465 | 358 | $10 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 448 | 350 | $8 | |
36415 |
Insertion of needle into vein for collection of blood sample | 432 | 303 | $8 | |
84439 |
Thyroxine (thyroid chemical), free | 418 | 334 | $9 | |
84443 |
Blood test, thyroid stimulating hormone (tsh) | 417 | 334 | $16 | |
84550 |
Uric acid level, blood | 413 | 326 | $4 |
In context: peer comparison
Among 31 peers in Columbia Internal Medicine Physician, average services per provider: 147. This provider delivers 56× the peer median.Open Payments
Industry payments received
All-time total
$94
Transactions
5
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 2 | $40.23 | |
| Lilly USA, LLC | 2 | $35.91 | |
| Abbott Laboratories | 1 | $18.17 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,404
Patients
747
Total drug cost
$41,257
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 298 | 96 | $8,104 |
| Atorvastatin Calcium | Generic | 278 | 97 | $4,198 |
| Amlodipine Besylate | Generic | 224 | 66 | $2,244 |
| Levothyroxine Sodium | Generic | 217 | 59 | $2,829 |
| Metoprolol Succinate | Generic | 195 | 58 | $4,025 |
| Lisinopril | Generic | 189 | 61 | $2,083 |
| Valsartan | Generic | 168 | 51 | $6,345 |
| Losartan Potassium | Generic | 141 | 39 | $1,994 |
| Simvastatin | Generic | 139 | 38 | $1,934 |
| Hydrochlorothiazide | Generic | 126 | 38 | $989 |
Frequently asked questions
What is Dr. Steven Diener's medical specialty?
Dr. Steven Diener practices Internal Medicine Physician in Columbia, MD.
Where does Dr. Steven Diener practice?
Dr. Steven Diener practices at 5900 Waterloo RD Ste 200, Columbia, MD 210452641. Office phone: 4107402900.
What is Dr. Steven Diener's NPI?
Dr. Steven Diener's National Provider Identifier (NPI) is 1558362111, issued by NPPES.
Does Dr. Steven Diener accept Medicare assignment?
Yes. Dr. Steven Diener accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Diener commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood test, lipids (cholesterol and triglycerides) (HCPCS 80061); Blood test, basic group of blood chemicals (calcium, total) (HCPCS 80048). Source: CMS Medicare Physician & Other Practitioners file.