GARRY P. DIETER (MD) – Anesthesiology Physician, NPI 1811920002
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,514 ANESTHESIOLOGY in WA
Provider Addresses for GARRY P. DIETER (MD)
PO BOX 24823
SEATTLE, WA 981240823
Phone: (425) 407-1500
Fax: (425) 407-1112
Type: Mailing
Providence Sacred Heart Medical Center
101 W 8th Ave
Spokane, WA 99204
Phone: (509) 474-3131
Type: Location
757 WESTWOOD PLZ STE 3304
LOS ANGELES, CA 900959780
Phone: (310) 267-0902
Type: Mailing
UCLA DEPT ANESTHESIOLOGY AND PERIOP MEDICINE
LOS ANGELES, CA 900953129
Phone: (310) 267-8653
Type: Location
Kalispell Regional Medical Center, 310, Sunnyview Lane, Northridge Heights, Kalispell, Flathead County, Montana, 59901, United States
KALISPELL, MT 599013129
Phone: (406) 752-5111
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2014-04-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20140410001640 | I | Anesthesiology | WA | 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 |
|---|---|---|---|---|
| 99291 | Critical care, first 30-74 minutes | 139 | 82 | $0 |
| 76937 | Ultrasonic guidance for blood vessel access | 38 | 28 | $0 |
| 36620 | Insertion of artery tube for blood sampling or infusion through skin | 30 | 29 | $0 |
| 99292 | Critical care, each additional 30 minutes | 24 | 15 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 21 | 21 | $0 |
Insurance plans in this area (ZIP 98124)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | MT | 36556 | Insertion of central venous catheter for infusion, patient 5 years or older | 29 | 29 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Critical Care (Intensivists) | OR | |
| Critical Care (Intensivists) | WA | |
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | OR | |
| Internal Medicine | NY | |
| Emergency Medicine | PA | |
| Nurse Practitioner | CA | |
| Physician Assistant | MI | |
| Nurse Practitioner | TN | |
| Nurse Practitioner | WA | |
| Physician Assistant | OR |
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