Doctor profile · Federal record
Dr. Gregory Tennant, D.O.
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Lancaster, CA
- NPI 1073581385
- Accepts Medicare
- 27 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
42135 10Th St W Ste 101
Lancaster, CA 935347099
(661) 726-5005
fax (661) 726-5377
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- August 10, 2023
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- California #20A9121
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1073581385. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,066
Distinct HCPCS
10
Medicare allowed
$48,714
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 474 | 43 | $1 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 108 | 69 | $98 | |
20611 |
Aspiration and/or injection of fluid large joint using ultrasound guidance | 93 | 43 | $106 | |
J1885 |
Injection, ketorolac tromethamine, per 15 mg | 90 | 25 | $1 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 64 | 64 | $137 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 40 | 40 | $122 | |
73562 |
X-ray of knee, 3 views | 31 | 20 | $47 | |
73110 |
X-ray of wrist, minimum of 3 views | 30 | 18 | $48 | |
73610 |
X-ray of ankle, minimum of 3 views | 30 | 12 | $43 | |
73130 |
X-ray of hand, minimum of 3 views | 22 | 13 | $43 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 71. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$119
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 3 | $53.08 | |
| Avanos Medical | 1 | $26.00 | |
| ABBVIE INC. | 1 | $25.04 | |
| Pacira Pharmaceuticals Incorporated | 1 | $14.75 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
319
Patients
256
Total drug cost
$4,843
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Meloxicam | Generic | 153 | 126 | $1,352 |
| Diclofenac Sodium | Generic | 77 | 62 | $1,857 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 52 | 37 | $457 |
| Lidocaine | Generic | 19 | 17 | $995 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 18 | 14 | $182 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Tennant's medical specialty?
Dr. Gregory Tennant practices Orthopaedic Surgery Physician in Lancaster, CA.
Where does Dr. Gregory Tennant practice?
Dr. Gregory Tennant practices at 42135 10Th St W Ste 101, Lancaster, CA 935347099. Office phone: 6617265005.
What is Dr. Gregory Tennant's NPI?
Dr. Gregory Tennant's National Provider Identifier (NPI) is 1073581385, issued by NPPES.
Does Dr. Gregory Tennant accept Medicare assignment?
Yes. Dr. Gregory Tennant accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Tennant commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213); Aspiration and/or injection of fluid large joint using ultrasound guidance (HCPCS 20611). Source: CMS Medicare Physician & Other Practitioners file.