Dr. Lara L. Zimmermann, MD
- Medicare services, 2024
- 306
- Medicare patients, 2024
- 115
- Publications
- 9
- Clinical trials
- 1
- MIPS score, 2024
- 83
- Practice address
- 2315 Stockton Boulevard, Sacramento, CA 95817
- Practice phone
- Call (916) 734-2011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. 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.
Dr. Lara L. Zimmermann is a neurocritical care physician in Sacramento, California
Dr. Zimmermann practices at UC Davis Medical Center in Sacramento, California, part of University of California Health.
Dr. Zimmermann's NPI, 1740504307, was assigned on March 24, 2010. Dr. Zimmermann graduated from David Geffen School of Medicine at UCLA in 2010. Dr. Zimmermann holds California license A119133.
- NPI
- 1740504307NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385876416
- NPI enumeration date
- March 24, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 734-2011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lara L. Zimmermann practices at UC Davis Medical Center in Sacramento, California
Dr. Zimmermann's primary practice is UC Davis Medical Center, at 2315 Stockton Boulevard, Sacramento, CA 95817 in Sacramento County. The practice phone is (916) 734-2011.
- UC Davis Medical Center2315 Stockton Boulevard, Sacramento, CA 95817 · Sacramento CountyPhone(916) 734-2011
Source: Dmand AI Affiliation Data
Dr. Lara L. Zimmermann is affiliated with 2 sites of care and 1 medical group
Dr. Zimmermann's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. The medical group on file is UC Davis Medical Group. Dmand AI also links Dr. Zimmermann to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lara L. Zimmermann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zimmermann practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UC Davis 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. Lara L. Zimmermann is one of 60 neurocritical care physicians in California
Neurocritical care is Dr. Zimmermann's primary specialty in the NPI Registry, under taxonomy code 2084A2900X. Dr. Zimmermann is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. Zimmermann is licensed in California.
Specialties and state licenses
- Neurocritical care, CaliforniaPrimary
Neurocritical care physicians near Dr. Zimmermann
Counts of neurocritical care physicians 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. Lara L. Zimmermann billed Medicare for 306 services in 2024
CMS data shows 306 Medicare services from Dr. Zimmermann across 4 procedure codes in 2024, for 115 Medicare patients. Medicare paid $37,983 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zimmermann's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3012024: 3062%
Dr. Zimmermann compared with the California median for neurocritical care physicians, 2024
- Dr. Zimmermann
- California median
- Medicare services
- 306vs 3246% below
- Medicare patients
- 115vs 12810% below
Medians across 62 neurocritical care physicians in California with Dmand AI profiles that report each measure.
Dr. Zimmermann's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zimmermann and other neurocritical care physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lara L. Zimmermann treated 115 Medicare patients in 2024, average age 71
CMS counts 115 Medicare patients who saw Dr. Zimmermann in 2024. The largest group is 65 to 74, with 63 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 50% are also on Medicaid. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Zimmermann's median patient age at 58, with 48% women.
Dr. Zimmermann's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zimmermann's Medicare patients by sex, 2024
- Women5649%
- Men5951%
Chronic conditions among Dr. Zimmermann's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA75%
- Arthritis47%
- Diabetes43%
- Atrial fibrillation42%
- Mood disorders41%
- Chronic kidney disease39%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 58
Patient panel by sex, all payers
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lara L. Zimmermann scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Zimmermann for performance year 2024, reported as part of a group. Dr. Zimmermann accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Zimmermann's MIPS scores, performance year 2024
- 83of 100Final score
- 64.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Lara L. Zimmermann has 9 publications on record
Dmand AI links 9 papers to Dr. Zimmermann, published from 2014 to 2018. 2014 was the busiest year, with 2. Dr. Zimmermann has published most often in J Thromb Thrombolysis. Dr. Zimmermann's most frequent co-authors are Ryan M. Martin, MD, Leonid Izevich Groysman, MD and Geoffrey Todd Manley, MD, PhD.
Dr. Zimmermann's papers by year, 2014 to 2018
Dr. Zimmermann's most frequent co-authors
- Ryan M. Martin, MD4 shared papers
- Leonid Izevich Groysman, MD2 shared papers
- Geoffrey Todd Manley, MD, PhD2 shared papers
Recent publications by Dr. Zimmermann
See who Dr. Zimmermann researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Zimmermann works with, so you can find a warm path to the right neurocritical care physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lara L. Zimmermann has worked on 1 clinical trial
Dmand AI links Dr. Zimmermann to 1 clinical trial. 1 is still active or recruiting. Conditions studied include Cerebral Hemorrhage and Intracranial Hemorrhages.
Conditions in Dr. Zimmermann's trials
- Cerebral Hemorrhage
- Intracranial Hemorrhages
Investigators on the most trials with Dr. Zimmermann
Recent clinical trials with Dr. Zimmermann
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Lara L. Zimmermann received $1,815 in industry payments from 2016 to 2024
CMS Open Payments shows 17 general payments to Dr. Zimmermann from 11 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 80% of the total. ZOLL Medical Corporation paid the most, $461.
General payments to Dr. Zimmermann by program year, 2016 to 2024
General payments to Dr. Zimmermann by kind, 2016 to 2024
- Food and beverage$1,45380%
- Consulting fees$36320%
Companies that paid Dr. Zimmermann the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lara L. Zimmermann graduated from David Geffen School of Medicine at UCLA
Dr. Zimmermann graduated from David Geffen School of Medicine at UCLA in 2010.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Lara L. Zimmermann accepts plans from 7 insurance carriers
Dr. Zimmermann is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- CMS Medicare
- Elevance
- GA State Medicaid
- NV State Medicaid
Plan types Dr. Zimmermann accepts, by number of carriers
- Medicare5
- PPO3
- Medicaid2
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lara L. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (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. Lara L. 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 Dr. Lara L. Zimmermann's NPI number?
Dr. Lara L. Zimmermann's NPI number is 1740504307. It was assigned on March 24, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Lara L. Zimmermann?
Dr. Lara L. Zimmermann is a neurocritical care physician in Sacramento, California. The primary specialty in the NPI Registry is Neurocritical Care Physician (taxonomy code 2084A2900X).
Where does Dr. Lara L. Zimmermann practice?
Dr. Zimmermann practices at 2315 Stockton Boulevard, Sacramento, CA 95817. Dr. Zimmermann's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. Dmand AI also links Dr. Zimmermann to 1 group practice or clinic.
What is Dr. Lara L. Zimmermann's office phone number?
The practice phone on file for Dr. Zimmermann is (916) 734-2011.
What is Dr. Lara L. Zimmermann's medical license number?
Dr. Zimmermann holds California license A119133.
Which hospitals is Dr. Lara L. Zimmermann affiliated with?
Dr. Zimmermann practices at UC Davis Medical Center in Sacramento, California.
What medical group is Dr. Lara L. Zimmermann part of?
Dr. Zimmermann is linked to UC Davis Medical Group.
Does Dr. Lara L. Zimmermann accept Medicare?
Yes. CMS data shows Dr. Zimmermann billed Medicare for 306 services in 2024, and Dr. Zimmermann accepts Medicare assignment.
What is Dr. Lara L. Zimmermann's MIPS score?
Dr. Zimmermann's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Dr. Lara L. Zimmermann see?
CMS counts 115 Medicare patients who saw Dr. Zimmermann in 2024, with an average age of 71.
Show 8 more questionsShow fewer questions
Is Dr. Lara L. Zimmermann board certified?
Yes. Dr. Zimmermann is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Lara L. Zimmermann bill to Medicare?
In 2024, Dr. Zimmermann's most billed Medicare services were critical care (99291), hospital inpatient care (99232) and hospital inpatient care (99233).
Where did Dr. Lara L. Zimmermann go to medical school?
Dr. Zimmermann graduated from David Geffen School of Medicine at UCLA in 2010.
Has Dr. Lara L. Zimmermann received payments from drug or device companies?
CMS Open Payments shows $1,815 in general payments to Dr. Zimmermann from 11 companies from 2016 to 2024. The largest total came from ZOLL Medical Corporation.
How long has Dr. Lara L. Zimmermann been practicing?
Dr. Zimmermann graduated from medical school in 2010, 16 years ago.
Does Dr. Lara L. Zimmermann do research?
Dmand AI links 9 publications to Dr. Zimmermann, published from 2014 to 2018. Dr. Zimmermann has worked on 1 clinical trial.
Who does Dr. Lara L. Zimmermann publish with?
Dr. Zimmermann's most frequent co-authors are Ryan M. Martin, MD (4 shared papers), Leonid Izevich Groysman, MD (2 shared papers) and Geoffrey Todd Manley, MD, PhD (2 shared papers).
What insurance does Dr. Lara L. Zimmermann accept?
Dr. Zimmermann is in network with 7 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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