DR. GREGORY B. TIRDEL (MD) – Internal Medicine Physician, NPI 1821080144
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,780 PULMONARY DISEASE in CA
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Provider Addresses for DR. GREGORY B. TIRDEL (MD)
Tahoe Forest Multispecialty Clinics, 10956, Donner Pass Road, Gateway, Truckee, Nevada County, California, 96161, United States
SUITE 260
TRUCKEE, CA 961614861
Phone: (530) 582-6400
Fax: (530) 582-6991
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $379.
Total Amount is formed as General ($379) + Research ($0) + Ownership ($0) = $379.
Last reported payment date: 2024-03-26 • Largest payer in this snapshot: JAZZ PHARMACEUTICALS INC. ($239).
Total Amount
$379
General + Research + Ownership
Payments
4
Total payment records
General Amount
$379
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| JAZZ PHARMACEUTICALS INC. | $239 |
| United Therapeutics Corporation | $125 |
| Amgen Inc. | $15 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-05-28
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070626000322 | I | Pulmonary Disease | CA | TBD |
| I20250528002690 | I | Pulmonary Disease | NV | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 95811 | Sleep study in sleep lab with continuous airway pressure (6 years or older) | 52 | 49 | $0 |
| G0399 | 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 | 36 | 36 | $0 |
| 95810 | Sleep study in sleep lab (6 years or older) | 24 | 24 | $0 |
Insurance plans in this area (ZIP 96161)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PULMONARY DISEASE | CA | 95811 | Sleep monitoring of patient (6 years or older) in sleep lab with continued pressured respiratory assistance by mask or breathing tube | 57 | 54 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Occupational Therapist In Private Practice | CA | |
| Occupational Therapist In Private Practice | CA | |
| Critical Care (Intensivists), Emergency Medicine | NV | |
| Family Practice | CA | |
| Family Practice | CA | |
| P S Y C H I A T R Y | CA | |
| Critical Care (Intensivists), Emergency Medicine, Emergency Medicine | CA | |
| O T O L A R Y N G O L O G Y | PA | |
| U R O L O G Y | CA | |
| Internal Medicine | CA |
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