Dr. Gabriel Zimmerer, MD
- Medicare services, 2024
- 320
- Medicare patients, 2024
- 277
- Part D claims, 2024
- 535
- MIPS score, 2024
- 89
- Industry payments
- $11
- Practice address
- 5651 Copley Dr, San Diego, CA 92111
- Practice phone
- Call (858) 262-6666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sharp Rees-Stealy Medical Group, Inc
San Diego, California
Find Dr. Zimmerer'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. Gabriel Zimmerer is a family medicine physician in San Diego, California
Dr. Zimmerer practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California.
Dr. Zimmerer's NPI, 1881683506, was assigned on October 15, 2005. Dr. Zimmerer graduated from UC San Diego School of Medicine in 1997. Dr. Zimmerer holds California license AFE66669.
- NPI
- 1881683506NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062743321
- NPI enumeration date
- October 15, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (858) 262-6666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gabriel Zimmerer practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California
Dr. Zimmerer's primary practice is Sharp Rees-Stealy Medical Group, Inc, at 5651 Copley Dr, San Diego, CA 92111 in San Diego County. The practice phone is (858) 262-6666.
- Sharp Rees-Stealy Medical Group, Inc5651 Copley Dr, San Diego, CA 92111 · San Diego CountyPhone(858) 262-6666
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gabriel Zimmerer is affiliated with 2 sites of care and 1 medical group
Dr. Zimmerer's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. The medical group on file is Sharp Rees-Stealy Medical Group. Dmand AI also links Dr. Zimmerer to 1 more group practice or clinic, 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 Dr. Gabriel Zimmerer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zimmerer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sharp Rees-Stealy Medical Group, Inc | 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. Gabriel Zimmerer is one of 15,680 family medicine physicians in California
Family medicine is Dr. Zimmerer's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Zimmerer is board certified in family medicine by the American Board of Family Medicine. Dr. Zimmerer is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, ankle or foot injury, asthma, atrial fibrillation and flutter, broken or dislocated ankle/ or foot, bronchitis and chronic hypertension among the conditions Dr. Zimmerer treats.
Family medicine physicians near Dr. Zimmerer
Counts of family medicine 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. Gabriel Zimmerer billed Medicare for 320 services in 2024
CMS data shows 320 Medicare services from Dr. Zimmerer across 7 procedure codes in 2024, for 277 Medicare patients. Medicare paid $18,771 for them. Every service was in an office.
Dr. Zimmerer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2562024: 2445%
- Lab and pathology
- 2023: 582024: 592%
- Surgery
- 2023: 162024: 176%
Dr. Zimmerer compared with the California median for family medicine physicians, 2024
- Dr. Zimmerer
- California median
- Medicare services
- 320vs 24630% above
- Medicare patients
- 277vs 1182.3 times
- Part D claims
- 364vs 83356% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Zimmerer'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gabriel Zimmerer treated 277 Medicare patients in 2024, average age 75
CMS counts 277 Medicare patients who saw Dr. Zimmerer in 2024. The largest group is 75 to 84, with 111 patients. 66% of them have high blood pressure, and 63% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zimmerer's median patient age at 48, with 60% women.
Dr. Zimmerer's Medicare patients by age, 2024
Dr. Zimmerer's Medicare patients by sex, 2024
- Women17965%
- Men9835%
Chronic conditions among Dr. Zimmerer's Medicare patients, 2024
- High blood pressure66%
- High cholesterol63%
- Arthritis43%
- Diabetes28%
- Mood disorders22%
- Anxiety21%
- Depression21%
- Ischemic heart disease19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zimmerer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women60%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gabriel Zimmerer wrote 535 Medicare Part D claims in 2024
In 2024, Dr. Zimmerer wrote 535 Medicare Part D claims for 383 patients. 89% of them were for generic drugs. CMS names the drug for 364 of them, across 13 drugs with 11 or more claims each, at $3,642 in total drug cost. In 2023, CMS named 241 claims across 8 drugs.
Dr. Zimmerer's Part D claims by kind of drug, 2024
- Generic475 claims89%
- Brand-name and other60 claims11%
Dr. Zimmerer'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. Zimmerer's Part D claims, 2024
- Antibiotics37%200 of 535 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: 2412024: 36451%
Drugs named by CMS: 13 in 2024, 8 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
Dr. Gabriel Zimmerer scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Zimmerer for performance year 2024, reported as part of a group. Dr. Zimmerer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zimmerer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Zimmerer's MIPS scores, performance year 2024
- 89of 100Final score
- 81of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 82of 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. Gabriel Zimmerer received $11 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Zimmerer from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Phadia US Inc. paid the most, $11.
Companies that paid Dr. Zimmerer the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gabriel Zimmerer has 1 award and honors on record
Dmand AI lists 1 award for Dr. Zimmerer, most recently NCQA PCMH in 2015.
Awards and honors for Dr. Zimmerer
- 2015
- NCQA PCMH
Source: Dmand AI Professional Profile Data
Dr. Gabriel Zimmerer graduated from UC San Diego School of Medicine
Dr. Zimmerer graduated from UC San Diego School of Medicine in 1997.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Gabriel Zimmerer accepts plans from 6 insurance carriers
Dr. Zimmerer is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Zimmerer accepts, by number of carriers
- HMO4
- POS4
- PPO4
- EPO3
- Medicare3
Source: Dmand AI Insurance Network Data
Sources for Dr. Gabriel Zimmerer'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 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) |
| 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)Clinician Public Reporting: Overall MIPS Performance (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. Gabriel Zimmerer
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. Gabriel Zimmerer's NPI number?
Dr. Gabriel Zimmerer's NPI number is 1881683506. It was assigned on October 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Gabriel Zimmerer?
Dr. Gabriel Zimmerer is a family medicine physician in San Diego, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gabriel Zimmerer practice?
Dr. Zimmerer practices at 5651 Copley Dr, San Diego, CA 92111. Dr. Zimmerer's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. Dmand AI also links Dr. Zimmerer to 1 group practice or clinic.
What is Dr. Gabriel Zimmerer's office phone number?
The practice phone on file for Dr. Zimmerer is (858) 262-6666.
What is Dr. Gabriel Zimmerer's medical license number?
Dr. Zimmerer holds California license AFE66669.
What medical group is Dr. Gabriel Zimmerer part of?
Dr. Zimmerer is linked to Sharp Rees-Stealy Medical Group.
Does Dr. Gabriel Zimmerer accept Medicare?
Yes. CMS data shows Dr. Zimmerer billed Medicare for 320 services in 2024, and Dr. Zimmerer accepts Medicare assignment.
Does Dr. Gabriel Zimmerer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zimmerer as offering telehealth services.
What is Dr. Gabriel Zimmerer's MIPS score?
Dr. Zimmerer's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gabriel Zimmerer see?
CMS counts 277 Medicare patients who saw Dr. Zimmerer in 2024, with an average age of 75.
Show 7 more questionsShow fewer questions
Is Dr. Gabriel Zimmerer board certified?
Yes. Dr. Zimmerer is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Gabriel Zimmerer bill to Medicare?
In 2024, Dr. Zimmerer's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and lab and pathology test (81003).
Where did Dr. Gabriel Zimmerer go to medical school?
Dr. Zimmerer graduated from UC San Diego School of Medicine in 1997.
What drugs does Dr. Gabriel Zimmerer prescribe most?
In 2024 Medicare Part D data, Dr. Zimmerer's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Cephalexin and Prednisone.
Has Dr. Gabriel Zimmerer received payments from drug or device companies?
CMS Open Payments shows $11 in general payments to Dr. Zimmerer from 1 company from 2016 to 2016. The largest total came from Phadia US Inc.
How long has Dr. Gabriel Zimmerer been practicing?
Dr. Zimmerer graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Gabriel Zimmerer accept?
Dr. Zimmerer is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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