Lewis Kramer, MD
NPI 1255408266 · Dermatology Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lewis Kramer, MD is a Dermatology Physician provider in Fontana, CA (NPI 1255408266).
Provider details
- NPI number
- 1255408266
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G33599 (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
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tretinoinbrand: Retin-A | 143 | 71 |
| Triamcinolone Acetonide | 99 | 43 |
| Ketoconazole | 96 | 46 |
| Clobetasol Propionate | 71 | 32 |
| Apremilastbrand: Otezla | 57 | — |
| Pimecrolimus | 56 | 33 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 52 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$86 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
- 2006-11-29
- Last updated
- 2021-11-22
Frequently asked questions
- What is Lewis Kramer's NPI number?
- Lewis Kramer's National Provider Identifier (NPI) is 1255408266, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lewis Kramer's specialty?
- Lewis Kramer is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Lewis Kramer located?
- Lewis Kramer's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Lewis Kramer's phone number?
- The practice phone number listed in the NPPES registry for Lewis Kramer is (909) 427-3910.
- Does Lewis Kramer accept Medicare?
- Lewis Kramer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lewis Kramer's NPI active?
- Yes — Lewis Kramer's NPI (1255408266) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.