Doctor profile · Federal record
Dr. Donald Allyn, M.D.
Specialist (CMS: Orthopedic Surgery) · Hanford, CA
- NPI 1558302893
- Accepts Medicare
- 56 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
125 Mall Dr., Suite 301
Hanford, CA 93230
(559) 584-3000
fax (559) 583-8456 - Mailing address
-
1010 W Grangeville Blvd
Hanford, CA 932302720
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- September 23, 2020
- Year of graduation
- 1970 — 56 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- California #G21696
- Medicaid
- CA #00G216960
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558302893. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
324
Distinct HCPCS
6
Medicare allowed
$54,233
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 91 | 29 | $92 | |
J7321 |
Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose | 90 | 13 | $75 | |
20610 |
Aspiration and/or injection of fluid from large joint | 64 | 14 | $82 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 38 | 37 | $127 | |
27447 |
Replacement of knee joint, both sides of knee | 21 | 17 | $1,277 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 20 | 20 | $114 |
In context: peer comparison
Among 2 peers in Hanford Specialist, average services per provider: 515. This provider delivers 0.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
509
Patients
308
Total drug cost
$9,215
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ibuprofen | Generic | 142 | 77 | $1,038 |
| Cephalexin | Generic | 101 | 60 | $1,305 |
| Hydromorphone Hcl | Generic | 77 | 44 | $521 |
| Ondansetron Odt (Ondansetron) | Brand | 45 | 36 | $1,089 |
| Naloxone Hcl | Generic | 41 | 35 | $3,189 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 31 | 18 | $651 |
| Diclofenac Sodium | Generic | 27 | 17 | $1,016 |
| Clindamycin Hcl | Generic | 21 | 21 | $102 |
| Acetaminophen-Codeine (Acetaminophen With Codeine) | Brand | 12 | 0 | $258 |
| Carisoprodol | Generic | 12 | 0 | $46 |
Hospital affiliations
Frequently asked questions
What is Dr. Donald Allyn's medical specialty?
Dr. Donald Allyn practices Specialist in Hanford, CA.
Where does Dr. Donald Allyn practice?
Dr. Donald Allyn practices at 125 Mall Dr., Hanford, CA 93230. Office phone: 5595843000.
What is Dr. Donald Allyn's NPI?
Dr. Donald Allyn's National Provider Identifier (NPI) is 1558302893, issued by NPPES.
Does Dr. Donald Allyn accept Medicare assignment?
Yes. Dr. Donald Allyn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Donald Allyn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose (HCPCS J7321); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.