Dr. Lewis L. Kramer, MD
- Part D claims, 2024
- 1,329
- Hospital affiliations
- 1
- Industry payments
- $1,704
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kramer's professional email, personal email and mobile number
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Dr. Lewis L. Kramer is a dermatologist in Fontana, California
Dr. Kramer practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Dr. Kramer's NPI, 1255408266, was assigned on November 29, 2006. Dr. Kramer graduated from Rutgers New Jersey Medical School in 1971. Dr. Kramer's California license number on file is G33599.
- NPI
- 1255408266NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850453192
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 81
- Medical school graduation
- 1971
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lewis L. Kramer practices at Fontana Medical Center in Fontana, California
Dr. Kramer's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Dr. Lewis L. Kramer is affiliated with 1 site of care and 1 medical group
Dr. Kramer's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lewis L. Kramer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kramer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lewis L. Kramer is one of 1,910 dermatologists in California
Dermatology is Dr. Kramer's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Kramer is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Kramer's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
- Illinois license
Dermatologists near Dr. Kramer
Counts of dermatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Lewis L. Kramer's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Dr. Kramer's median patient age at 63, with 56% women.
Dr. Kramer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Lewis L. Kramer wrote 1,329 Medicare Part D claims in 2024
In 2024, Dr. Kramer wrote 1,329 Medicare Part D claims for 362 patients. 70% of them were for generic drugs. CMS names the drug for 1,118 of them, across 30 drugs with 11 or more claims each, at $468,272 in total drug cost. In 2023, CMS named 1,011 claims across 28 drugs.
Dr. Kramer's Part D claims by kind of drug, 2024
- Generic927 claims70%
- Brand-name402 claims30%
Dr. Kramer's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kramer's Part D claims, 2024
- Antibiotics3%43 of 1,329 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,0112024: 1,11811%
Drugs named by CMS: 30 in 2024, 28 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Lewis L. Kramer takes part in Medicare
Dr. Kramer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Lewis L. Kramer received $1,704 in industry payments from 2016 to 2025
CMS Open Payments shows 29 general payments to Dr. Kramer from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Novartis Pharmaceuticals Corporation paid the most, $321.
General payments to Dr. Kramer by program year, 2016 to 2025
General payments to Dr. Kramer by kind, 2016 to 2025
- Food and beverage$1,69299%
- Education$121%
Companies that paid Dr. Kramer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lewis L. Kramer has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Kramer, most recently AAD Fellow in 2011.
Awards and honors for Dr. Kramer
- 2011
- AAD Fellow
- Undated
- Checkbook Top Doc
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. Lewis L. Kramer graduated from Rutgers New Jersey Medical School
Dr. Kramer graduated from Rutgers New Jersey Medical School in 1971. Dr. Kramer is a member of AAD.
- Medical school
- Board certified in dermatology
Source: Dmand AI Professional Profile Data
Dr. Lewis L. Kramer accepts plans from 1 insurance carrier
Dr. Kramer is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Kramer accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lewis L. Kramer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Lewis L. Kramer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Lewis L. Kramer's NPI number?
Dr. Lewis L. Kramer's NPI number is 1255408266. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lewis L. Kramer?
Dr. Lewis L. Kramer is a dermatologist in Fontana, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Lewis L. Kramer practice?
Dr. Kramer practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Kramer's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Dr. Lewis L. Kramer's office phone number?
The practice phone on file for Dr. Kramer is (909) 427-5000.
What is Dr. Lewis L. Kramer's medical license number?
Dr. Kramer's California license number on file is G33599, one of the licenses on file in 2 states.
Which states has Dr. Lewis L. Kramer been licensed in?
Dmand AI has state licenses on file for Dr. Kramer in California (1977 to 2025) and Illinois (since 1972).
Which hospitals is Dr. Lewis L. Kramer affiliated with?
Dr. Kramer practices at Fontana Medical Center in Fontana, California.
What medical group is Dr. Lewis L. Kramer part of?
Dr. Kramer is linked to Southern California Permanente Medical Group.
Does Dr. Lewis L. Kramer accept Medicare?
Yes. CMS lists Dr. Kramer as accepting Medicare assignment.
Is Dr. Lewis L. Kramer board certified?
Yes. Dr. Kramer is board certified in dermatology by the American Board of Dermatology.
Show 5 more questionsShow fewer questions
Where did Dr. Lewis L. Kramer go to medical school?
Dr. Kramer graduated from Rutgers New Jersey Medical School in 1971.
What drugs does Dr. Lewis L. Kramer prescribe most?
In 2024 Medicare Part D data, Dr. Kramer's most prescribed drugs by claims were Retin-A, Triamcinolone Acetonide and Ketoconazole.
Has Dr. Lewis L. Kramer received payments from drug or device companies?
CMS Open Payments shows $1,704 in general payments to Dr. Kramer from 15 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Lewis L. Kramer been practicing?
Dr. Kramer graduated from medical school in 1971, 55 years ago.
What insurance does Dr. Lewis L. Kramer accept?
Dr. Kramer is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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