Doctor profile · Federal record
Dr. William Longton, MD
Anesthesiology Physician (CMS: Pain Management) · Walnut Creek, CA
- NPI 1275625204
- Accepts Medicare
- MIPS 93.1 / 100 · 2023
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1601 Ygnacio Valley RD
Walnut Creek, CA 945983122
(925) 939-3000 - Mailing address
-
2250 Morello Ave
Pleasant Hill, CA 945231860
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- June 16, 2016
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- California #G71946
- Medicaid
- CA #00G719460
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275625204. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
8,058
Distinct HCPCS
10
Medicare allowed
$734,889
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 2,070 | 697 | $150 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 1,126 | 591 | $108 | |
96372 |
Injection of drug or substance under skin or into muscle | 779 | 214 | $17 | |
J1885 |
Injection, ketorolac tromethamine, per 15 mg | 432 | 146 | $1 | |
80307 |
Testing for presence of drug, by chemistry analyzers | 359 | 247 | $60 | |
J3420 |
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 352 | 187 | $2 | |
99484 |
Care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional | 332 | 118 | $52 | |
20553 |
Injection of trigger points, 3 or more muscles | 255 | 150 | $58 | |
99152 |
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | 220 | 146 | $13 | |
64450 |
Injection of anesthetic agent and/or steroid into other nerve or branch | 167 | 96 | $103 |
In context: peer comparison
Among 28 peers in this city , average services per provider: 70. This provider delivers 115× the peer median.Open Payments
Industry payments received
All-time total
$239
Transactions
6
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Saluda Medical Americas, Inc. | 4 | $115.67 | |
| PAINTEQ LLC | 1 | $95.64 | |
| Nevro Corp. | 1 | $28.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
600
Patients
180
Total drug cost
$16,071
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 168 | 76 | $3,386 |
| Gabapentin | Generic | 76 | 34 | $1,493 |
| Pregabalin | Generic | 51 | 23 | $2,767 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 43 | 21 | $1,023 |
| Oxycodone Hcl | Generic | 39 | 15 | $923 |
| Morphine Sulfate Er (Morphine Sulfate) | Brand | 31 | 0 | $648 |
| Hydromorphone Hcl | Generic | 30 | 0 | $312 |
| Baclofen | Generic | 28 | 0 | $1,142 |
| Morphine Sulfate | Generic | 23 | 0 | $437 |
| Fentanyl | Generic | 22 | 0 | $1,677 |
Hospital affiliations
Frequently asked questions
What is Dr. William Longton's medical specialty?
Dr. William Longton practices Anesthesiology Physician in Walnut Creek, CA.
Where does Dr. William Longton practice?
Dr. William Longton practices at 1601 Ygnacio Valley RD, Walnut Creek, CA 945983122. Office phone: 9259393000.
What is Dr. William Longton's NPI?
Dr. William Longton's National Provider Identifier (NPI) is 1275625204, issued by NPPES.
Does Dr. William Longton accept Medicare assignment?
Yes. Dr. William Longton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Longton 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 99213); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.