DR. TIMOTHY J. DAVERN (MD) – Hepatology Physician, NPI 1699723379
Hepatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,981 GASTROENTEROLOGY in CA
Provider Addresses for DR. TIMOTHY J. DAVERN (MD)
350 Parnassus Ave
San Francisco, CA 941430001
Phone: (415) 353-2318
Fax: (415) 353-2407
Type: Location
1315 Alhambra Blvd Ste 210
Sacramento, CA 958165246
Phone: (916) 732-4380
Fax: (916) 739-0893
Type: Location
1431 Noriega St
San Francisco, CA 941224431
Phone: (415) 600-1020
Fax: (415) 600-1005
Type: Location
165 Rowland Way Ste 201
Novato, CA 949455055
Phone: (415) 600-1020
Fax: (415) 558-7051
Type: Location
3880 S Bascom Ave Ste 113
San Jose, CA 951242600
Phone: (415) 600-1020
Fax: (415) 600-1005
Type: Location
3883 Airway Dr
Santa Rosa, CA 954031670
Phone: (415) 600-1020
Fax: (415) 600-1005
Type: Location
990 Sonoma Ave
Santa Rosa, CA 954044802
Phone: (415) 600-1020
Fax: (415) 600-1005
Type: Location
3300 Webster St Ste 202
Oakland, CA 946093120
Phone: (510) 208-1777
Fax: (510) 208-1776
Type: Location
899 Valencia St
San Francisco, CA 941101736
Phone: (415) 600-1020
Fax: (415) 600-1005
Type: Location
1401 Spanos Ct Ste 125
Modesto, CA 953552814
Phone: (916) 732-4380
Fax: (415) 558-7051
Type: Location
1189 E Herndon Ave
Fresno, CA 937203167
Phone: (916) 732-4380
Fax: (916) 739-0893
Type: Location
795 El Camino Real
Palo Alto, CA 943012302
Phone: (415) 600-1020
Fax: (415) 600-1005
Type: Location
1601 Esplanade Ste 3
Chico, CA 959263370
Phone: (415) 600-1020
Fax: (415) 600-1005
Type: Location
2367 Harrison Ave
Eureka, CA 955013216
Phone: (707) 445-9015
Fax: (707) 445-9014
Type: Location
2340 Clay St Fl 2
San Francisco, CA 94115
Phone: (415) 600-1020
Fax: (415) 600-1005
Type: Location
West El Camino Real, Mountain View, Santa Clara County, California, 94039, United States
MOUNTAIN VIEW, CA 940406203
Phone: (415) 600-1020
Fax: (415) 600-1005
Type: Mailing
Clay Street, Pacific Heights, San Francisco, California, 94123, United States
SAN FRANCISCO, CA 94115
Phone: (415) 600-1020
Fax: (415) 600-1005
Type: Location
325 DISTEL CIR
LOS ALTOS, CA 940221408
Phone: (415) 600-1000
Fax: (415) 558-7051
Type: Mailing
1100 VAN NESS AVE
SAN FRANCISCO, CA 941096978
Phone: (415) 600-1000
Fax: (415) 558-7051
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: 2008-02-25
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 |
|---|---|---|---|---|
| I20080225000762 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 506 | 352 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 285 | 74 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 39 | 37 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 35 | 35 | $0 |
| 99291 | Critical care, first 30-74 minutes | 28 | 11 | $0 |
Insurance plans in this area (ZIP 94143)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | CA | 43235 | Diagnostic examination of esophagus, stomach, and/or upper small bowel using an endoscope | 12 | 11 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| D E R M A T O L O G Y | CA | |
| A L L E R G Y/ I M M U N O L O G Y | CA | |
| - | CA | |
| Hospitalist, Obstetrics/Gynecology | CA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | OR | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| A N E S T H E S I O L O G Y | CA |
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