Dr. David S. Mahler, MD
- Part D claims, 2022
- 13
- Hospital affiliations
- 1
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 1011 Baldwin Park Blvd, Baldwin Park, CA 91706
- Practice phone
- Call (626) 851-1011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mahler's professional email, personal email and mobile number
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Dr. David S. Mahler is a general surgeon in Baldwin Park, California
Dr. Mahler practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.
Dr. Mahler's NPI, 1144397027, was assigned on November 29, 2006. Dr. Mahler graduated from David Geffen School of Medicine at UCLA in 1989. Dr. Mahler holds California license G70575.
- NPI
- 1144397027NPI Registry (opens in a new tab)
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Practice phone
- (626) 851-1011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David S. Mahler practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California
Dr. Mahler's primary practice is Kaiser Permanente Baldwin Park Medical Center, at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706 in Los Angeles County. The practice phone is (626) 851-1011.
- Kaiser Permanente Baldwin Park Medical Center1011 Baldwin Park Blvd, Baldwin Park, CA 91706 · Los Angeles CountyPhone(626) 851-1011
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David S. Mahler is affiliated with 1 site of care and 1 medical group
Dr. Mahler's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David S. Mahler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Baldwin Park Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David S. Mahler is one of 2,926 general surgeons in California
Surgery is Dr. Mahler's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Mahler is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Mahler's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Illinois license
General surgeons near Dr. Mahler
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. David S. Mahler's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Mahler's median patient age at 76, with 100% women.
Dr. Mahler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. David S. Mahler wrote 13 Medicare Part D claims in 2022
In 2022, Dr. Mahler wrote 13 Medicare Part D claims. They cover 1 drug, with $112 in total drug cost. In 2021, CMS named 14 claims across 1 drug.
Dr. Mahler's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 142022: 137%
Drugs named by CMS: 1 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. David S. Mahler has 1 award and honors on record
Dmand AI lists 1 award for Dr. Mahler, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Mahler
- 2011
- CMS Stage 1 2012
Source: Dmand AI Professional Profile Data
Dr. David S. Mahler graduated from David Geffen School of Medicine at UCLA
Dr. Mahler graduated from David Geffen School of Medicine at UCLA in 1989.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Sources for Dr. David S. Mahler'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile 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. David S. Mahler
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. David S. Mahler's NPI number?
Dr. David S. Mahler's NPI number is 1144397027. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David S. Mahler?
Dr. David S. Mahler is a general surgeon in Baldwin Park, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David S. Mahler practice?
Dr. Mahler practices at 1011 Baldwin Park Blvd, Baldwin Park, CA 91706. Dr. Mahler's primary practice is Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California, part of Kaiser Permanente.
What is Dr. David S. Mahler's office phone number?
The practice phone on file for Dr. Mahler is (626) 851-1011.
What is Dr. David S. Mahler's medical license number?
Dr. Mahler holds California license G70575, one of the licenses on file in 2 states.
Which states has Dr. David S. Mahler been licensed in?
Dmand AI has state licenses on file for Dr. Mahler in California (1991 to 2026) and Illinois (1995 to 1999).
Which hospitals is Dr. David S. Mahler affiliated with?
Dr. Mahler practices at Kaiser Permanente Baldwin Park Medical Center in Baldwin Park, California.
What medical group is Dr. David S. Mahler part of?
Dr. Mahler is linked to Southern California Permanente Medical Group.
Is Dr. David S. Mahler board certified?
Yes. Dr. Mahler is board certified in surgery by the American Board of Surgery.
Where did Dr. David S. Mahler go to medical school?
Dr. Mahler graduated from David Geffen School of Medicine at UCLA in 1989.
What drugs does Dr. David S. Mahler prescribe most?
In 2022 Medicare Part D data, Dr. Mahler's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
How long has Dr. David S. Mahler been practicing?
Dr. Mahler graduated from medical school in 1989, 37 years ago.
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