Dr. Lawrence A. Harms, MD
- Part D claims, 2024
- 23
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- State license
- 1
- Practice address
- 9965 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
Kaiser Permanente - Fontana Medical Center
Fontana, California
Find Dr. Harms' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Lawrence A. Harms is a general surgeon in Fontana, California
Dr. Harms practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Harms' NPI, 1821146739, was assigned on January 8, 2007. Dr. Harms graduated from Loma Linda University School Of Medicine in 1983. Dr. Harms holds California license G53038.
- NPI
- 1821146739NPI Registry (opens in a new tab)
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Lawrence A. Harms practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Harms' primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lawrence A. Harms is affiliated with 2 sites of care and 1 medical group
Dr. Harms' primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Harms is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lawrence A. Harms' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harms practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lawrence A. Harms is one of 2,926 general surgeons in California
Surgery is Dr. Harms' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Harms is board certified in surgery by the American Board of Surgery. Dr. Harms is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Harms
Counts of general surgeons 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. Lawrence A. Harms' patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Harms' median patient age at 53, with 61% women.
Dr. Harms' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Lawrence A. Harms wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Harms wrote 23 Medicare Part D claims for 16 patients. 100% of them were for generic drugs. They cover 1 drug, with $229 in total drug cost. In 2022, CMS named 12 claims across 1 drug.
Dr. Harms' most prescribed drugs by claims, 2023
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. Harms' Part D claims, 2024
- Antibiotics57%13 of 23 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 122023: 2392%
Drugs named by CMS: 1 in 2023, 1 in 2022.
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
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Dr. Lawrence A. Harms graduated from Loma Linda University School Of Medicine
Dr. Harms graduated from Loma Linda University School Of Medicine in 1983.
- Medical school
- Board certified in surgery
- Board certified in surgical critical care
Source: Dmand AI Professional Profile Data
Dr. Lawrence A. Harms accepts plans from 2 insurance carriers
Dr. Harms is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Harms accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lawrence A. Harms'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Lawrence A. Harms
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. Lawrence A. Harms' NPI number?
Dr. Lawrence A. Harms' NPI number is 1821146739. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Lawrence A. Harms?
Dr. Lawrence A. Harms is a general surgeon in Fontana, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Lawrence A. Harms practice?
Dr. Harms practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Harms' primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California.
What is Dr. Lawrence A. Harms' office phone number?
The practice phone on file for Dr. Harms is (909) 427-5000.
What is Dr. Lawrence A. Harms' medical license number?
Dr. Harms holds California license G53038.
Which hospitals is Dr. Lawrence A. Harms affiliated with?
Dr. Harms is affiliated with Fontana Medical Center.
What medical group is Dr. Lawrence A. Harms part of?
Dr. Harms is linked to Southern California Permanente Medical Group.
Is Dr. Lawrence A. Harms board certified?
Yes. Dr. Harms is board certified in surgery by the American Board of Surgery.
Where did Dr. Lawrence A. Harms go to medical school?
Dr. Harms graduated from Loma Linda University School Of Medicine in 1983.
What drugs does Dr. Lawrence A. Harms prescribe most?
In 2023 Medicare Part D data, Dr. Harms' most prescribed drugs by claims were Cephalexin.
How long has Dr. Lawrence A. Harms been practicing?
Dr. Harms graduated from medical school in 1983, 43 years ago.
What insurance does Dr. Lawrence A. Harms accept?
Dr. Harms is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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