Ann Seide, MD
NPI 1649203084 · Hospitalist Physician · Thousand Oaks, CA
Enrolled with Medicare as Practitioner - Hospice/Palliative Care · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Seide, MD is a Hospitalist Physician provider in Thousand Oaks, CA (NPI 1649203084).
Provider details
- NPI number
- 1649203084
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00040843 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
447 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 184 | $122 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 88 | $81 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 83 | $162 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 48 | $114 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 25 | $176 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 39 | 13 |
| Levothyroxine Sodium | 33 | — |
| Cephalexin | 19 | 11 |
| Metoprolol Tartrate | 18 | — |
| Furosemide | 16 | — |
| Trazodone Hcl | 13 | — |
| Pantoprazole Sodium | 12 | — |
Practice location
Mailing address
Additional practice locations (1)
- 820 N Chelan AveWenatchee, WA 98801-2028Phone: (509) 663-8711Fax: (509) 665-6065
Registry dates
- Enumerated
- 2006-07-09
- Last updated
- 2018-06-16
Frequently asked questions
- What is Ann Seide's NPI number?
- Ann Seide's National Provider Identifier (NPI) is 1649203084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Seide's specialty?
- Ann Seide is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Seide located?
- Ann Seide's practice location on file with NPPES is 215 W Janss Rd, Thousand Oaks, CA 91360-1847.
- What is Ann Seide's phone number?
- The practice phone number listed in the NPPES registry for Ann Seide is (805) 497-2727.
- Does Ann Seide accept Medicare?
- Ann Seide is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Seide's NPI active?
- Yes — Ann Seide's NPI (1649203084) is active in the NPPES registry as of the last update on 2018-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.