Warren Klausner, DO
NPI 1093931834 · Family Medicine Physician · Santa Cruz, CA
Enrolled with Medicare as Practitioner - Osteopathic Manipulative Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Warren Klausner, DO is a Family Medicine Physician provider in Santa Cruz, CA (NPI 1093931834).
Provider details
- NPI number
- 1093931834
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A6722 (CA)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
907 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 352 | $109 |
| Osteopathic Manipulative Treatment, 7-8 Body Regions98928 | 334 | $72 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 115 | $156 |
| Osteopathic Manipulative Treatment, 9-10 Body Regions98929 | 106 | $85 |
Typical Medicare-allowed amounts for these services range $72–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-18
- Last updated
- 2009-11-01
Frequently asked questions
- What is Warren Klausner's NPI number?
- Warren Klausner's National Provider Identifier (NPI) is 1093931834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Warren Klausner's specialty?
- Warren Klausner is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Warren Klausner located?
- Warren Klausner's practice location on file with NPPES is 129 Jewell St, Santa Cruz, CA 95060-1717.
- What is Warren Klausner's phone number?
- The practice phone number listed in the NPPES registry for Warren Klausner is (831) 420-1400.
- Does Warren Klausner accept Medicare?
- Warren Klausner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Warren Klausner's NPI active?
- Yes — Warren Klausner's NPI (1093931834) is active in the NPPES registry as of the last update on 2009-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.