Gregory Mcmahill, O.D.
NPI 1366505588 · Optometrist · Palm Desert, CA
Gregory Mcmahill, O.D. is a Optometrist provider in Palm Desert, CA (NPI 1366505588).
Provider details
- NPI number
- 1366505588
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- No
- License
- OPT 9489 TPA (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$640 across 7 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-19
- Last updated
- 2014-06-06
Frequently asked questions
- What is Gregory Mcmahill's NPI number?
- Gregory Mcmahill's National Provider Identifier (NPI) is 1366505588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Mcmahill's specialty?
- Gregory Mcmahill is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Gregory Mcmahill located?
- Gregory Mcmahill's practice location on file with NPPES is 72800 Dinah Shore Dr, Palm Desert, CA 92211-0814.
- What is Gregory Mcmahill's phone number?
- The practice phone number listed in the NPPES registry for Gregory Mcmahill is (760) 202-0100.
- Is Gregory Mcmahill's NPI active?
- Yes — Gregory Mcmahill's NPI (1366505588) is active in the NPPES registry as of the last update on 2014-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.