MEDICAL SPECIALISTS ASSOCIATES PC – Anesthesiology Physician, NPI 1326404948
Anesthesiology Physician
Main info
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for MEDICAL SPECIALISTS ASSOCIATES PC
1 General St
Lawrence, MA 018412961
Phone: (978) 683-4000
Type: Location
180 Rowland Way
Novato, CA 949455009
Phone: (415) 209-1300
Type: Location
5189 Hospital Rd
Mariposa, CA 953389524
Phone: (209) 966-3631
Type: Location
19270 Sonoma Highway
Sonoma, CA 95476
Phone: (707) 939-6070
Fax: (707) 939-6077
Type: Location
9300 W Sunset Rd
Las Vegas, NV 891484844
Phone: (702) 916-5000
Type: Location
34 Mark West Springs Rd Ste 100
Santa Rosa, CA 954031783
Phone: (707) 541-3500
Fax: (707) 573-5400
Type: Location
30 Mark West Springs Rd
Santa Rosa, CA 954031436
Phone: (707) 576-4000
Type: Location
347 Andrieux St
Sonoma, CA 954766811
Phone: (707) 935-5000
Fax: (707) 569-8965
Type: Location
10 Woodland Rd
Saint Helena, CA 945749554
Phone: (707) 963-6399
Fax: (707) 967-5915
Type: Location
PO BOX 7096
STOCKTON, CA 952670096
Phone: (209) 956-7725
Fax: (209) 956-7733
Type: Mailing
Adventist Health Clear Lake, 15630, 18th Avenue, Clearlake, Lake County, California, 95422, United States
CLEARLAKE, CA 954229336
Phone: (707) 994-6486
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: 2024-04-10
PECOS data refreshed: 2026-06-15
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2024-09-30 (623 days ago).
Enrollment records
3
Earliest due date
2024-09-30
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 |
|---|---|---|---|---|
| O20160408001002 | O | Clinic/Group Practice | CA | 2024-09-30 |
| O20210114001744 | O | Clinic/Group Practice | AZ | 2026-10-31 |
| O20240410002445 | O | Clinic/Group Practice | MA | TBD |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 01841)
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