What is Allison Maffei's NPI number?

Allison Maffei's National Provider Identifier (NPI) is 1821517178, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Allison Maffei's specialty?

Allison Maffei is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is Allison Maffei located?

Allison Maffei's practice location on file with NPPES is 102 Catherine Ln Ste a, Grass Valley, CA 95945-5701.

What is Allison Maffei's phone number?

The practice phone number listed in the NPPES registry for Allison Maffei is (415) 845-4378.

Does Allison Maffei accept Medicare?

Allison Maffei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Allison Maffei's NPI active?

Yes — Allison Maffei's NPI (1821517178) is active in the NPPES registry as of the last update on 2022-07-21.

IndividualActiveAccepts Medicare

Allison Maffei, DPT

NPI 1821517178 · Physical Therapist · Grass Valley, CA

Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Allison Maffei, DPT is a Physical Therapist provider in Grass Valley, CA (NPI 1821517178).

Provider details

NPI number: 1821517178
Entity type: Individual
Primary specialty: Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Credential: DPT
Sex: Female
Sole proprietor: No
License: 293001 (CA)

Specialties & taxonomies

Physical TherapistPrimary225100000XLicense 293001 (CA)
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Established profile(64/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure28% of score
8 yrs in NPPES registry
Profile completeness28% of score
100% of core fields populated
Practice footprint17% of score
4 documented practice locations
Medicare service volume (vs. specialty peers)28% of score
1,324 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 to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112	571	$27
Therapy Procedure Using Functional Activities97530	541	$30
Therapy Procedure Using Manual Technique, Each 15 Minutes97140	137	$20
Re-Evaluation for Physical Therapy, Typically 20 Minutes97164	35	$71
Evaluation for Physical Therapy, Typically 30 Minutes97162	26	$103
Evaluation for Physical Therapy, Typically 20 Minutes97161	14	$103

Typical Medicare-allowed amounts for these services range $20–$103 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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

102 Catherine Ln Ste a

Grass Valley, CA 95945-5701

Phone: (415) 845-4378

Street-level locationGet directions

More CA providers

Mailing address