GARRICK MARK WHITLOCK (CRNA) – Certified Registered Nurse Anesthetist, NPI 1023346491
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
201 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in RI
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Provider Addresses for GARRICK MARK WHITLOCK (CRNA)
Providence Post Office, 411, 100 North, Providence, Cache County, Utah, 84332, United States
PROVIDENCE, RI 02904
Phone:
Type: Mailing
Roger Williams Medical Center, 825, Chalkstone Avenue, Manton, Providence, Providence County, Rhode Island, 02908, United States
PROVIDENCE, RI 029084728
Phone: (401) 456-2000
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: 2013-01-04
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 |
|---|---|---|---|---|
| I20130104000297 | I | Certified Registered Nurse Anesthetist (Crna) | MA | 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 |
|---|---|---|---|---|
| J2704 | Injection, propofol, 10 mg | 512 | 16 | $0 |
| J7120 | Ringers lactate infusion, up to 1000 cc | 16 | 16 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 11 | 11 | $0 |
Insurance plans in this area (ZIP 02904)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CERTIFIED REGISTERED NURSE ANESTHET | RI | 00142 | Anesthesia for lens surgery | 30 | 30 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | NH | |
| Certified Registered Nurse Anesthetist (Crna) | CT | |
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| A N E S T H E S I O L O G Y | ME | |
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| Certified Registered Nurse Anesthetist (Crna) | MA | |
| Certified Registered Nurse Anesthetist (Crna) | ME | |
| Certified Registered Nurse Anesthetist (Crna) | ME | |
| Certified Registered Nurse Anesthetist (Crna) | MA |
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