Doctor profile · Federal record
Dr. Eric Thierman, MD
Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Williamsville, NY
- NPI 1235101908
- Accepts Medicare
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1835 Maple RD
Williamsville, NY 142212780
(716) 634-5410 - Additional location
-
500 Main St
Olean, NY 147601514
(716) 692-3302
fax (716) 692-4342 - Mailing address
-
908 Niagara Falls Blvd, Suite 208
North Tonawanda, NY 141202019
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- July 21, 2022
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #219381
- Medicaid
- NY #04231010
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235101908. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
456
Distinct HCPCS
10
Medicare allowed
$45,464
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 131 | 75 | $86 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 95 | 95 | $126 | |
G0008 |
Administration of influenza virus vaccine | 47 | 47 | $29 | |
90662 |
Influenza vaccine split virus, preservative free | 44 | 44 | $70 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 30 | 25 | $14 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 27 | 27 | $282 | |
G0009 |
Administration of pneumococcal vaccine | 26 | 26 | $30 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 15 | $124 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 14 | 14 | $161 | |
99495 |
Transitional care management services for problem of at least moderate complexity | 13 | 11 | $199 |
In context: peer comparison
Among 18 peers in Williamsville Internal Medicine Physician, average services per provider: 65. This provider delivers 7.0× the peer median.Open Payments
Industry payments received
All-time total
$987
Transactions
63
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 25 | $245.43 | |
| Lilly USA, LLC | 12 | $229.08 | |
| Exact Sciences Corporation | 5 | $94.98 | |
| AstraZeneca Pharmaceuticals Lp | 5 | $78.88 | |
| Merck Sharp & Dohme LLC | 3 | $69.52 | |
| Amgen INC. | 3 | $54.06 | |
| Phathom Pharmaceuticals, INC. | 2 | $51.18 | |
| Novartis Pharmaceuticals Corporation | 2 | $33.72 | |
| Axsome Therapeutics, INC. | 1 | $31.83 | |
| Abbvie INC. | 1 | $31.70 | |
| GlaxoSmithKline, LLC. | 1 | $18.08 | |
| Sanofi Pasteur INC. | 1 | $17.46 | |
| Lundbeck LLC | 1 | $15.41 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $15.37 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,008
Patients
973
Total drug cost
$57,110
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 432 | 121 | $6,830 |
| Rosuvastatin Calcium | Generic | 361 | 114 | $8,364 |
| Levothyroxine Sodium | Generic | 296 | 74 | $6,624 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 227 | 64 | $4,925 |
| Amlodipine Besylate | Generic | 225 | 64 | $2,402 |
| Pantoprazole Sodium | Generic | 220 | 80 | $4,176 |
| Omeprazole | Generic | 178 | 48 | $3,037 |
| Alprazolam | Generic | 164 | 58 | $1,046 |
| Prednisone | Generic | 160 | 111 | $664 |
| Lisinopril | Generic | 153 | 41 | $1,922 |
Hospital affiliations
Frequently asked questions
What is Dr. Eric Thierman's medical specialty?
Dr. Eric Thierman practices Internal Medicine Physician in Williamsville, NY.
Where does Dr. Eric Thierman practice?
Dr. Eric Thierman practices at 1835 Maple RD, Williamsville, NY 142212780. Office phone: 7166345410.
What is Dr. Eric Thierman's NPI?
Dr. Eric Thierman's National Provider Identifier (NPI) is 1235101908, issued by NPPES.
Does Dr. Eric Thierman accept Medicare assignment?
Yes. Dr. Eric Thierman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Thierman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.