Doctor profile · Federal record
Dr. John Brennan, MD
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Critical Care Medicine (Internal Medicine) Physician · Exeter, NH
- NPI 1851339071
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3 Alumni Dr Ste 301
Exeter, NH 038332123
(603) 775-0234
fax (603) 772-1188 - Mailing address
-
7 Holland Way Fl 1
Exeter, NH 038332997
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 24, 2020
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State license (1)
- New Hampshire #13816
- Medicaid
- NH #3076877
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851339071. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,404
Distinct HCPCS
10
Medicare allowed
$163,715
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 535 | 379 | $129 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 168 | 129 | $180 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 97 | 97 | $165 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 61 | 50 | $91 | |
94729 |
Test to examine how well the lungs exchange gases | 59 | 59 | $9 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 58 | 58 | $10 | |
94726 |
Test to determine lung volumes using sensors | 54 | 54 | $12 | |
99291 |
Critical care, first 30-74 minutes | 48 | 34 | $213 | |
31624 |
Irrigation and suction of lung airways to obtain cells using an endoscope | 36 | 36 | $30 | |
31625 |
Biopsy of lung airway using an endoscope | 35 | 34 | $83 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 60. This provider delivers 23× the peer median.Open Payments
Industry payments received
All-time total
$76
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, Inc. | 2 | $50.94 | |
| Ethicon US, LLC | 1 | $24.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,993
Patients
627
Total drug cost
$640,810
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 248 | 90 | $8,139 |
| Montelukast Sodium | Generic | 242 | 63 | $3,609 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 218 | 47 | $206,694 |
| Prednisone | Generic | 217 | 100 | $1,048 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 180 | 54 | $96,751 |
| Azithromycin | Generic | 175 | 47 | $3,214 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 154 | 40 | $102,742 |
| Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) | Brand | 111 | 26 | $65,648 |
| Incruse Ellipta (Umeclidinium Bromide) | Brand | 108 | 22 | $49,750 |
| Doxycycline Hyclate | Generic | 76 | 60 | $910 |
Hospital affiliations
Frequently asked questions
What is Dr. John Brennan's medical specialty?
Dr. John Brennan practices Pulmonary Disease Physician in Exeter, NH.
Where does Dr. John Brennan practice?
Dr. John Brennan practices at 3 Alumni Dr Ste 301, Exeter, NH 038332123. Office phone: 6037750234.
What is Dr. John Brennan's NPI?
Dr. John Brennan's National Provider Identifier (NPI) is 1851339071, issued by NPPES.
Does Dr. John Brennan accept Medicare assignment?
Yes. Dr. John Brennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Brennan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.