Mary Holland
NPI 1417163684 · Hearing Instrument Specialist · Merced, CA
Mary Holland is a Hearing Instrument Specialist provider in Merced, CA (NPI 1417163684).
Provider details
- NPI number
- 1417163684
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- HA4148 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-15
- Last updated
- 2007-07-09
Frequently asked questions
- What is Mary Holland's NPI number?
- Mary Holland's National Provider Identifier (NPI) is 1417163684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Holland's specialty?
- Mary Holland is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Mary Holland located?
- Mary Holland's practice location on file with NPPES is 3351 M St Ste 205, Merced, CA 95348-2731.
- What is Mary Holland's phone number?
- The practice phone number listed in the NPPES registry for Mary Holland is (209) 724-0501.
- Is Mary Holland's NPI active?
- Yes — Mary Holland's NPI (1417163684) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.