Sarah Messina, OTR/L
NPI 1598501496 · Occupational Therapist · Mill Valley, CA
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Messina, OTR/L is a Occupational Therapist provider in Mill Valley, CA (NPI 1598501496).
Provider details
- NPI number
- 1598501496
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Female
- Sole proprietor
- Yes
- License
- 15439 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
1 yr 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
210 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) |
|---|---|---|
| Therapy Procedure Using Functional Activities97530 | 111 | $37 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 88 | $30 |
| Evaluation for Occupational Therapy, Typically 30 Minutes97165 | 11 | $123 |
Typical Medicare-allowed amounts for these services range $30–$123 (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
- 2024-07-01
- Last updated
- 2024-07-01
- Certified
- 2024-07-01
Frequently asked questions
- What is Sarah Messina's NPI number?
- Sarah Messina's National Provider Identifier (NPI) is 1598501496, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Messina's specialty?
- Sarah Messina is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Sarah Messina located?
- Sarah Messina's practice location on file with NPPES is 619 E Blithedale Ave Ste B, Mill Valley, CA 94941-1482.
- What is Sarah Messina's phone number?
- The practice phone number listed in the NPPES registry for Sarah Messina is (415) 388-5223.
- Does Sarah Messina accept Medicare?
- Sarah Messina is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Messina's NPI active?
- Yes — Sarah Messina's NPI (1598501496) is active in the NPPES registry as of the last update on 2024-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.