Dr. Gabriel Zimmerer, MD

  • San Diego, CA
  • Family medicine physician
NPI1881683506PAC ID2062743321
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
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Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Sharp Rees-Stealy Medical Group, Inc

San Diego, California

See all 3 affiliations

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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 and contact details
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, Inc
    5651 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.

See all 3 affiliations for Dr. Zimmerer

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.

EHR by site
SiteEHR vendor and product
Sharp Rees-Stealy Medical Group, IncAvailable with a free account
+1 more affiliated siteAvailable 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, CaliforniaPrimaryLicense AFE66669 · 1998 to 2026 · taxonomy 207Q00000X

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.

Medicare services, 2024320
Medicare patients277
Paid by Medicare$18,771
Procedure codes7

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.

See all procedures by Dr. Zimmerer

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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.

Medicare patients, 2024277
Average age75
Average risk score1.03
Also on Medicaid14%

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

  1. High blood pressure66%
  2. High cholesterol63%
  3. Arthritis43%
  4. Diabetes28%
  5. Mood disorders22%
  6. Anxiety21%
  7. Depression21%
  8. 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.

Part D claims, 2024535
Drugs named by CMS13
Total drug cost$3,642
Part D patients383

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.

See all prescribing by Dr. Zimmerer

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

For MedTech and pharma teams

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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.

See all payments to Dr. Zimmerer

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

  1. 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.

  1. Medical schoolUC San Diego School of Medicine
  2. Board certified in family medicineAmerican Board of 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

  1. HMO4
  2. POS4
  3. PPO4
  4. EPO3
  5. Medicare3

Source: Dmand AI Insurance Network Data

Sources for Dr. Gabriel Zimmerer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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