Doctor profile · Federal record
Dr. William Hartrich, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Williamsville, NY
- NPI 1629026703
- Accepts Medicare
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1835 Maple RD
Williamsville, NY 142212711
(716) 634-5410
fax (716) 634-0430
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 21, 2010
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #165294
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629026703. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
282
Distinct HCPCS
8
Medicare allowed
$30,203
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 70 | 56 | $87 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 58 | 58 | $126 | |
G0008 |
Administration of influenza virus vaccine | 33 | 33 | $27 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 29 | 26 | $124 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 27 | 27 | $282 | |
90662 |
Influenza vaccine split virus, preservative free | 26 | 26 | $72 | |
G0009 |
Administration of pneumococcal vaccine | 26 | 26 | $30 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 13 | 13 | $161 |
In context: peer comparison
Among 18 peers in Williamsville Internal Medicine Physician, average services per provider: 65. This provider delivers 4.3× the peer median.Open Payments
Industry payments received
All-time total
$584
Transactions
41
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk INC | 21 | $196.33 | |
| Lilly USA, LLC | 7 | $132.19 | |
| Exact Sciences Corporation | 3 | $58.20 | |
| Merck Sharp & Dohme LLC | 2 | $45.49 | |
| Amgen INC. | 2 | $35.73 | |
| Abbvie INC. | 1 | $31.70 | |
| Phathom Pharmaceuticals, INC. | 1 | $20.73 | |
| GlaxoSmithKline, LLC. | 1 | $16.36 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $16.30 | |
| 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
2,982
Patients
872
Total drug cost
$53,813
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Rosuvastatin Calcium | Generic | 442 | 129 | $9,734 |
| Levothyroxine Sodium | Generic | 366 | 92 | $8,058 |
| Atorvastatin Calcium | Generic | 339 | 98 | $6,100 |
| Amlodipine Besylate | Generic | 267 | 72 | $3,540 |
| Omeprazole | Generic | 198 | 68 | $2,941 |
| Metoprolol Succinate | Generic | 192 | 58 | $5,300 |
| Lisinopril | Generic | 167 | 52 | $1,652 |
| Irbesartan | Generic | 148 | 42 | $4,772 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 147 | 32 | $2,368 |
| Pantoprazole Sodium | Generic | 132 | 38 | $1,951 |
Hospital affiliations
Frequently asked questions
What is Dr. William Hartrich's medical specialty?
Dr. William Hartrich practices Internal Medicine Physician in Williamsville, NY.
Where does Dr. William Hartrich practice?
Dr. William Hartrich practices at 1835 Maple RD, Williamsville, NY 142212711. Office phone: 7166345410.
What is Dr. William Hartrich's NPI?
Dr. William Hartrich's National Provider Identifier (NPI) is 1629026703, issued by NPPES.
Does Dr. William Hartrich accept Medicare assignment?
Yes. Dr. William Hartrich accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Hartrich 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.