Doctor profile · Federal record
Dr. Mary Jayne McIlwain, M.D.
Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Lancaster, PA
- NPI 1811218548
- Accepts Medicare
- 16 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
133 E Frederick St
Lancaster, PA 176022222
(717) 394-9821
fax (717) 394-0175
Credentials & registration
- NPI registered
- June 2010 — 16 yrs on file
- Profile last updated
- October 22, 2014
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (2)
- Pennsylvania #MD451688 · North Carolina #165309
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811218548. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
206
Distinct HCPCS
6
Medicare allowed
$16,102
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00142 |
Anesthesia for lens surgery | 125 | 115 | $57 | |
01402 |
Anesthesia for procedure for total knee joint replacement | 24 | 24 | $168 | |
64447 |
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 20 | 20 | $61 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 14 | 14 | $71 | |
01214 |
Anesthesia for total hip replacement | 12 | 12 | $166 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 11 | 11 | $66 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 24. This provider delivers 8.6× the peer median.Open Payments
Industry payments received
All-time total
$16
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 1 | $16.48 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Mary Jayne McIlwain's medical specialty?
Dr. Mary Jayne McIlwain practices Anesthesiology Physician in Lancaster, PA.
Where does Dr. Mary Jayne McIlwain practice?
Dr. Mary Jayne McIlwain practices at 133 E Frederick St, Lancaster, PA 176022222. Office phone: 7173949821.
What is Dr. Mary Jayne McIlwain's NPI?
Dr. Mary Jayne McIlwain's National Provider Identifier (NPI) is 1811218548, issued by NPPES.
Does Dr. Mary Jayne McIlwain accept Medicare assignment?
Yes. Dr. Mary Jayne McIlwain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Jayne McIlwain commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for procedure for total knee joint replacement (HCPCS 01402); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447). Source: CMS Medicare Physician & Other Practitioners file.