Doctor profile · Federal record
Dr. William Willis, M.D.
Anesthesiology Physician (CMS: Anesthesiology) · Specialist · Denville, NJ
- NPI 1700882180
- Accepts Medicare
- MIPS 46.3 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3130 Route 10
Denville, NJ 078343455
(973) 442-9980 - Mailing address
-
15 Fox Run RD
Sparta, NJ 078711785
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- December 16, 2021
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (2)
- New Jersey #25MA05786500 · New Jersey #MA57865
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700882180. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
324
Distinct HCPCS
10
Medicare allowed
$36,976
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 78 | 70 | $104 | |
00910 |
Anesthesia for other procedure on urinary system through urethra | 37 | 37 | $88 | |
01922 |
Anesthesia for x-ray or radiation therapy | 37 | 37 | $160 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 26 | 26 | $103 | |
00812 |
Anesthesia for exam of colon using an endoscope | 24 | 23 | $75 | |
00410 |
Anesthesia for procedure to correct abnormal heart rhythm | 23 | 23 | $79 | |
00790 |
Anesthesia for other procedure on upper abdomen | 22 | 21 | $210 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 19 | 19 | $120 | |
00918 |
Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope | 17 | 17 | $110 | |
00830 |
Anesthesia for other repair of lower abdomen hernia (1 year or older) | 15 | 15 | $133 |
In context: peer comparison
Among 7 peers in Denville Anesthesiology Physician, average services per provider: 61. This provider delivers 5.3× the peer median.Open Payments
Industry payments received
All-time total
$155
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 1 | $154.52 |
By nature of payment
Frequently asked questions
What is Dr. William Willis's medical specialty?
Dr. William Willis practices Anesthesiology Physician in Denville, NJ.
Where does Dr. William Willis practice?
Dr. William Willis practices at 3130 Route 10, Denville, NJ 078343455. Office phone: 9734429980.
What is Dr. William Willis's NPI?
Dr. William Willis's National Provider Identifier (NPI) is 1700882180, issued by NPPES.
Does Dr. William Willis accept Medicare assignment?
Yes. Dr. William Willis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Willis commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on urinary system through urethra (HCPCS 00910); Anesthesia for x-ray or radiation therapy (HCPCS 01922). Source: CMS Medicare Physician & Other Practitioners file.