Matthew Zimmermann, PA-C
- Part D claims, 2024
- 2,568
- Hospital affiliations
- 2
- Industry payments
- $23
- Medical group
- 1
- State license
- 1
- Practice address
- 2101 Rosecrans Ave, El Segundo, CA 90245
- Practice phone
- Call (877) 240-3112
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Landmark Medical of California
El Segundo, California
Find Matthew Zimmermann's 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.
Matthew Zimmermann is a physician assistant in El Segundo, California
Matthew Zimmermann practices at Landmark Medical of California in El Segundo, California.
Matthew Zimmermann's NPI, 1841642253, was assigned on July 9, 2016. Matthew Zimmermann holds California license 53578.
- NPI
- 1841642253NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234484908
- NPI enumeration date
- July 9, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (877) 240-3112
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Matthew Zimmermann practices at Landmark Medical of California in El Segundo, California
Matthew Zimmermann's primary practice is Landmark Medical of California, at 2101 Rosecrans Ave, El Segundo, CA 90245 in Los Angeles County. The practice phone is (877) 240-3112.
- Landmark Medical of California2101 Rosecrans Ave, El Segundo, CA 90245 · Los Angeles CountyPhone(877) 240-3112
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Matthew Zimmermann is affiliated with 4 sites of care and 1 medical group
Matthew Zimmermann's primary practice is Landmark Medical of California in El Segundo, California. Matthew Zimmermann is also affiliated with Adventist Health Clear Lake. The medical group on file is Lake County Behavioral Health Services. Dmand AI also links Matthew Zimmermann to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Matthew Zimmermann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Matthew Zimmermann practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Landmark Medical of California | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Matthew Zimmermann is one of 11,482 physician assistants in California
Physician assistant is Matthew Zimmermann's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Matthew Zimmermann is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Matthew Zimmermann
Counts of physician assistants 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
Matthew Zimmermann's patients have a median age of 51
Across all payers, Dmand AI patient panel data puts Matthew Zimmermann's median patient age at 51, with 52% women.
Matthew Zimmermann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Matthew Zimmermann wrote 2,568 Medicare Part D claims in 2024
In 2024, Matthew Zimmermann wrote 2,568 Medicare Part D claims for 119 patients. 92% of them were for generic drugs.
Matthew Zimmermann's Part D claims by kind of drug, 2024
- Generic2,352 claims92%
- Brand-name216 claims8%
Drug classes CMS tracks in Matthew Zimmermann's Part D claims, 2024
- Antipsychotics, patients 65 and over8%211 of 2,568 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Matthew Zimmermann offers telehealth to Medicare patients
Matthew Zimmermann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Matthew Zimmermann as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Matthew Zimmermann received $23 in industry payments in 2025
CMS Open Payments shows 1 general payment to Matthew Zimmermann from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $23.
Companies that paid Matthew Zimmermann the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Matthew Zimmermann'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Matthew Zimmermann
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Matthew Zimmermann's NPI number?
Matthew Zimmermann's NPI number is 1841642253. It was assigned on July 9, 2016, and it is active in the NPI Registry.
What does Matthew Zimmermann specialize in?
Matthew Zimmermann is a physician assistant in El Segundo, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Matthew Zimmermann practice?
Matthew Zimmermann practices at 2101 Rosecrans Ave, El Segundo, CA 90245. Matthew Zimmermann's primary practice is Landmark Medical of California in El Segundo, California. Dmand AI also links Matthew Zimmermann to 1 hospital and 1 group practice or clinic.
What is Matthew Zimmermann's office phone number?
The practice phone on file for Matthew Zimmermann is (877) 240-3112.
What is Matthew Zimmermann's medical license number?
Matthew Zimmermann holds California license 53578.
Which hospitals is Matthew Zimmermann affiliated with?
Matthew Zimmermann is affiliated with Adventist Health Clear Lake. Dmand AI links Matthew Zimmermann to 1 more hospital.
What medical group is Matthew Zimmermann part of?
Matthew Zimmermann is linked to Lake County Behavioral Health Services.
Does Matthew Zimmermann accept Medicare?
Yes. CMS lists Matthew Zimmermann as accepting Medicare assignment.
Does Matthew Zimmermann offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Matthew Zimmermann as offering telehealth services.
Has Matthew Zimmermann received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Matthew Zimmermann from 1 company from 2025 to 2025. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Matthew Zimmermann been practicing?
Matthew Zimmermann graduated from medical school in 2016, 10 years ago.
Selling to physician assistant practices?
See physician assistants in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card