Doctor profile · Federal record
Dr. David Irwin, MD
Neurology Physician (CMS: Neurology) · Philadelphia, PA
- NPI 1194986356
- Accepts Medicare
- MIPS 85.5 / 100 · 2023
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3400 Spruce Street, 2 Ravdin
Philadelphia, PA 19104
(215) 662-3606
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- May 30, 2014
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- Pennsylvania #MD439211
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1194986356. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
178
Distinct HCPCS
5
Medicare allowed
$22,981
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 70 | 58 | $149 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 45 | 42 | $101 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 23 | $69 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 22 | 22 | $188 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 15 | $135 |
In context: peer comparison
Among 83 peers in Philadelphia Neurology Physician, average services per provider: 148. This provider delivers 1.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
995
Patients
210
Total drug cost
$38,464
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Donepezil Hcl | Generic | 190 | 51 | $3,312 |
| Sertraline Hcl | Generic | 159 | 30 | $1,929 |
| Quetiapine Fumarate | Generic | 150 | 37 | $5,532 |
| Memantine Hcl | Generic | 129 | 35 | $4,051 |
| Trazodone Hcl | Generic | 93 | 21 | $874 |
| Clonazepam | Generic | 73 | 25 | $2,245 |
| Risperidone | Generic | 60 | 0 | $1,247 |
| Rivastigmine | Generic | 37 | 11 | $13,457 |
| Escitalopram Oxalate | Generic | 27 | 0 | $460 |
| Galantamine Hbr | Generic | 19 | 0 | $2,390 |
Hospital affiliations
Frequently asked questions
What is Dr. David Irwin's medical specialty?
Dr. David Irwin practices Neurology Physician in Philadelphia, PA.
Where does Dr. David Irwin practice?
Dr. David Irwin practices at 3400 Spruce Street, Philadelphia, PA 19104. Office phone: 2156623606.
What is Dr. David Irwin's NPI?
Dr. David Irwin's National Provider Identifier (NPI) is 1194986356, issued by NPPES.
Does Dr. David Irwin accept Medicare assignment?
Yes. Dr. David Irwin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Irwin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.