MR. MATTHEW P HARPER (M.D.) – Anesthesiology Physician, NPI 1427165877
Anesthesiology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,371 ANESTHESIOLOGY in CA
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Provider Addresses for MR. MATTHEW P HARPER (M.D.)
Adventist Health Ukiah Valley, 275, Hospital Drive, Wagenseller, Ukiah, Mendocino County, California, 95482, United States
UKIAH, CA 954824531
Phone: (415) 580-5154
Type: Location
4012, Polled Hereford Drive, Santa Rosa, Sonoma County, California, 95405, United States
SANTA ROSA, CA 954046251
Phone: (415) 580-5154
Type: Mailing
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.
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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: 2013-08-14
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 |
|---|---|---|---|---|
| I20130814000771 | I | Anesthesiology | CA | 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 |
|---|---|---|---|---|
| 01810 | Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 34 | 34 | $0 |
| 00812 | Anesthesia for exam of colon using an endoscope | 29 | 29 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 28 | 28 | $0 |
| 00811 | Anesthesia for other procedure on large bowel using an endoscope | 20 | 20 | $0 |
| 01480 | Anesthesia for other procedure on lower leg, ankle, and foot bones | 18 | 18 | $0 |
Insurance plans in this area (ZIP 95482)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| ANESTHESIOLOGY | CA | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 23 | 23 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Registered Nurse Anesthetist (Crna) | NM | |
| A N E S T H E S I O L O G Y | NY | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| Certified Registered Nurse Anesthetist (Crna) | CA | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| Certified Registered Nurse Anesthetist (Crna) | CA | |
| A N E S T H E S I O L O G Y | CA |
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