Doctor profile · Federal record
Dr. William Hartzell, M.D.
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Westborough, MA
- NPI 1417938986
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
150 Flanders RD
Westborough, MA 015811017
(508) 871-2000 - Mailing address
-
Po Box 62, Turnpike Station
Shrewsbury, MA 015450062
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- February 18, 2019
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- Virginia #0101239857
- Medicaid
- MA #0164861
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417938986. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
628
Distinct HCPCS
4
Medicare allowed
$69,196
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 372 | 147 | $136 | |
94375 |
Test to measure rate of airflow | 161 | 103 | $42 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 61 | 61 | $177 | |
94010 |
Test to measure expiratory airflow and volume | 34 | 33 | $30 |
In context: peer comparison
Among 1 peers in Westborough Pulmonary Disease Physician, average services per provider: 157. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
All-time total
$34
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 1 | $33.78 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
691
Patients
160
Total drug cost
$600,152
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 141 | 24 | $124,403 |
| Montelukast Sodium | Generic | 123 | 30 | $1,177 |
| Prednisone | Generic | 90 | 32 | $368 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 81 | 38 | $3,391 |
| Breztri Aerosphere (Budesonide/Glycopyr/Formoterol) | Brand | 39 | 0 | $46,725 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 36 | 0 | $31,622 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 33 | 0 | $21,489 |
| Methylprednisolone | Generic | 24 | 22 | $289 |
| Ofev (Nintedanib Esylate) | Brand | 24 | 0 | $328,802 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 19 | 0 | $11,398 |
Frequently asked questions
What is Dr. William Hartzell's medical specialty?
Dr. William Hartzell practices Pulmonary Disease Physician in Westborough, MA.
Where does Dr. William Hartzell practice?
Dr. William Hartzell practices at 150 Flanders RD, Westborough, MA 015811017. Office phone: 5088712000.
What is Dr. William Hartzell's NPI?
Dr. William Hartzell's National Provider Identifier (NPI) is 1417938986, issued by NPPES.
Does Dr. William Hartzell accept Medicare assignment?
Dr. William Hartzell does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. William Hartzell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to measure rate of airflow (HCPCS 94375); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.