DR. GREGORY LOWELL WHITAKER (DO) – Anesthesiology Physician, NPI 1114906336
Anesthesiology Physician
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NPPES metrics only — not quality of care.
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Provider Addresses for DR. GREGORY LOWELL WHITAKER (DO)
Viad Corporate Center, 1850, North Central Avenue, Encanto, Phoenix, Maricopa County, Arizona, 85004-4527, United States
SUITE 1600
PHOENIX, AZ 850044527
Phone: (602) 262-8900
Fax: (602) 262-8890
Type: Mailing
1850 N Central Ave
Suite 1600
Phoenix, AZ 850044527
Phone: (602) 262-8900
Fax: (602) 262-8890
Type: Location
250 N SHADELAND AVE
INDIANAPOLIS, IN 462194959
Phone:
Type: Mailing
1701 N SENATE BLVD STE 4110
INDIANAPOLIS, IN 462021239
Phone: (317) 577-4200
Fax: (317) 577-9503
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: 2022-12-14
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 |
|---|---|---|---|---|
| I20140813002608 | I | Anesthesiology | AZ | TBD |
| I20221214002543 | I | Anesthesiology | IN | 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 |
|---|---|---|---|---|
| 00520 | Anesthesia for other closed procedure on chest | 23 | 19 | $0 |
| 00902 | Anesthesia for procedure on anus and rectum | 23 | 23 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 18 | 18 | $0 |
| 01922 | Anesthesia for x-ray or radiation therapy | 17 | 16 | $0 |
Insurance plans in this area (ZIP 85004)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | AZ | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 21 | 21 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | AZ | |
| Certified Registered Nurse Anesthetist (Crna) | NV | |
| Anesthesiology, Pain Management | AZ | |
| A N E S T H E S I O L O G Y | AZ | |
| A N E S T H E S I O L O G Y | AZ | |
| A N E S T H E S I O L O G Y | AZ | |
| A N E S T H E S I O L O G Y | OH | |
| - | AZ | |
| - | AZ | |
| - | AZ |
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