ROBERT NATHAN LOWRY (M.D.) – Anesthesiology Physician, NPI 1801232129
Anesthesiology Physician
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NPPES metrics only — not quality of care.
2,125 CRITICAL CARE (INTENSIVISTS) in CA
Provider Addresses for ROBERT NATHAN LOWRY (M.D.)
2350 W EL CAMINO REAL FL 2
MOUNTAIN VIEW, CA 940406203
Phone: (707) 576-4500
Fax: (707) 541-9108
Type: Mailing
34 MARK WEST SPRINGS RD FL 2
SANTA ROSA, CA 95403
Phone: (707) 576-4500
Fax: (707) 541-9108
Type: Location
300 UNIVERSITY BLVD
ROUND ROCK, TX 786651032
Phone: (512) 509-0100
Fax: (512) 218-6330
Type: Location
2401 S 31st St
Temple, TX 76508
Phone: (254) 724-2111
Type: Location
1165 Montgomery Dr
Santa Rosa, CA 954054801
Phone: (707) 303-1709
Fax: (707) 303-3912
Type: Location
185 Sotoyome St
Santa Rosa, CA 954054803
Phone: (707) 303-1709
Type: Location
2455 Bennett Valley Rd Ste C219
Santa Rosa, CA 954045651
Phone: (707) 524-4690
Fax: (707) 524-4687
Type: Location
34 Mark West Springs Rd Fl 2
Santa Rosa, CA 95403
Phone: (707) 576-4500
Fax: (707) 541-9108
Type: Location
PO BOX 844658
DALLAS, TX 752844658
Phone: (254) 724-2111
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.
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: 2026-01-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20180727002453 | I | Critical Care (Intensivists) | CA | TBD |
| I20210430000977 | I | Anesthesiology | TX | TBD |
| I20260121001361 | I | Anesthesiology | CO | 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 | 270 | 143 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 74 | 51 | $0 |
| 31500 | Emergent insertion of breathing tube into windpipe using an endoscope | 16 | 15 | $0 |
| 36620 | Insertion of artery tube for blood sampling or infusion through skin | 12 | 12 | $0 |
Insurance plans in this area (ZIP 94040)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CO | |
| Anesthesiology Assistant | CO | |
| A N E S T H E S I O L O G Y | CO | |
| A N E S T H E S I O L O G Y | CO | |
| A N E S T H E S I O L O G Y | CO | |
| Certified Registered Nurse Anesthetist (Crna) | CO | |
| A N E S T H E S I O L O G Y | WI | |
| A N E S T H E S I O L O G Y | CO | |
| - | CO | |
| - | CO |
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