Calvin Lambert Hall, M.D.
NPI 1427483254 · Family Medicine Physician · Bloomington, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Calvin Lambert Hall, M.D. is a Family Medicine Physician provider in Bloomington, CA (NPI 1427483254).
Provider details
- NPI number
- 1427483254
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A126710 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
12 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 105 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 551 | 148 |
| Losartan Potassium | 242 | 65 |
| Omeprazole | 193 | 56 |
| Ibuprofen | 183 | 60 |
| Metformin Hcl | 153 | 39 |
| Amlodipine Besylate | 143 | 40 |
| Pantoprazole Sodium | 141 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$48 across 2 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
- 2013-09-11
- Last updated
- 2015-08-04
Frequently asked questions
- What is Calvin Lambert Hall's NPI number?
- Calvin Lambert Hall's National Provider Identifier (NPI) is 1427483254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Calvin Lambert Hall's specialty?
- Calvin Lambert Hall is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Calvin Lambert Hall located?
- Calvin Lambert Hall's practice location on file with NPPES is 18601 Valley Blvd, Bloomington, CA 92316-1831.
- What is Calvin Lambert Hall's phone number?
- The practice phone number listed in the NPPES registry for Calvin Lambert Hall is (909) 546-7520.
- Does Calvin Lambert Hall accept Medicare?
- Calvin Lambert Hall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Calvin Lambert Hall's NPI active?
- Yes — Calvin Lambert Hall's NPI (1427483254) is active in the NPPES registry as of the last update on 2015-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.