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Edit this profileAt a glance
- 10956 Donner Pass Rd, Suite 260, Truckee, CA 96161
About Dr. Tirdel
Gregory B. Tirdel, MD is a healthcare provider in Truckee, CA specializing in internal medicine. Gregory trained at Hahnemann University College of Medicine, graduating in 1989. Gregory is also listed as specializing in critical care medicine and pulmonary disease. According to Medicare claims data, Gregory cared for 157 Medicare patients across 168 services. The services billed most often include sleep study in sleep lab with continuous airway pressure (6 years or older), home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation, and sleep study in sleep lab (6 years or older). This provider record is associated with NPI 1821080144.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (530) 582-6400
- Email not available
Practice Locations
10956 DONNER PASS RD SUITE 260
Truckee, CA 96161
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
- Acid reflux
- Fatty liver disease
- IBS
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
- Trigger Point Injections
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
168 services · 157 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
79 | More often than most peers in Internal Medicine |
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
43 | More often than most peers in Internal Medicine |
| Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | Billing code | G0399 |
46 | More often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other internists in Truckee 5
Same specialty, same city.
Trained at Hahnemann University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1989 at Hahnemann University College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Sleep study in sleep lab with continuous airway pressure (6 years or older) 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Tirdel?
Dr. Tirdel is an internist in Truckee, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Dr. Tirdel's address?
Dr. Tirdel is listed at 10956 Donner Pass Rd Suite 260, Truckee, CA 96161. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Tirdel?
The number on file is (530) 582-6400. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Tirdel's NPI number?
Dr. Tirdel's National Provider Identifier is 1821080144. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Tirdel train?
Dr. Tirdel attended Hahnemann University College of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Tirdel been practicing?
Dr. Tirdel has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Tirdel perform?
According to Medicare billing data, Dr. Tirdel provides treatments such as sleep study in sleep lab with continuous airway pressure and sleep study in sleep lab. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Tirdel confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tirdel. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.