DR. GREGORY TENNANT D.O.
NPI 1073581385
Orthopaedic Surgery in Lancaster, CA

Active since March 10, 2006PECOS EnrolledAccepts Medicare Assignment
42135 10TH ST W STE 101, LANCASTER, CA 93534(661) 726-5005(661) 726-5377 Get Directions Write a Review

NPPES record last updated: August 10, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Gregory Tennant D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY TENNANT D.O. (NPI 1073581385) is an individual orthopaedic surgery provider in Lancaster, California, licensed in California (20A9121) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1073581385
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. GREGORY TENNANTCredential: D.O.
Location Address42135 10TH ST W STE 101Lancaster, CA 93534-7099
Mailing Address42135 10th St W Ste 101Lancaster, CA 93534-7099 · (661) 726-5005 · Fax (661) 726-5377
Fax(661) 726-5377
Sole ProprietorYes
Medical School CMSOtherGraduated 1999
Enumeration DateMarch 10, 2006
Last NPPES UpdateAugust 10, 2023
NPPES CertifiedAugust 10, 2023
NPI 1073581385 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License Licensed in CA · 20A9121
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
42135 10TH ST W STE 101, Lancaster, CA 93534

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory Tennant D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810973930
PECOS Enrollment IDI20050923000643
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
445 services48 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
81 services60 patients
Aspiration and/or injection of fluid large joint using ultrasound guidance 20611
This procedure involves using ultrasound technology to accurately locate a large joint, usually the knee or shoulder. A needle is then inserted to either extract fluid (aspiration) or inject medication. The ultrasound helps ensure precision and safety.
80 services32 patients
Injection, ketorolac tromethamine, per 15 mg J1885
Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.
72 services30 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
55 services54 patients
X-ray of knee, 3 views 73562
An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
41 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93534 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Orthopaedic Surgery
42135 10TH ST W STE 101
LANCASTER, CA 93534
Orthopaedic Surgery
42135 10TH ST W STE 101
LANCASTER, CA 93534
Nurse Practitioner (Family)
42135 10TH ST W STE 101
LANCASTER, CA 93534
Physical Medicine & Rehabilitation
42135 10TH ST W STE 101
LANCASTER, CA 93534
Orthopaedic Surgery
42135 10TH ST W STE 101
LANCASTER, CA 93534
Physical Medicine & Rehabilitation
42135 10TH ST W STE 101
LANCASTER, CA 93534

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Tennant's NPI number?

The NPI number for Gregory Tennant is 1073581385. It was assigned to this individual provider in the NPPES registry on March 10, 2006.

Where is Gregory Tennant located?

Gregory Tennant practices at 42135 10th St W Ste 101, Lancaster, CA 93534. The listed phone number is (661) 726-5005.

What is Gregory Tennant's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Gregory Tennant enrolled in Medicare?

Yes. Gregory Tennant is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Gregory Tennant was last updated on August 10, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.