Dr. Robert Andrew Zimmerman, MD

  • Omaha, NE
  • Emergency medicine physician
NPI1275612301
Medicare services, 2024
704
Medicare patients, 2024
455
Part D claims, 2024
476
MIPS score, 2024
99
Hospital affiliations
3
Practice address
2412 Cuming St, Omaha, NE 68131
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

CHI Health University Campus Emergency Department - Emergency Department - HOPD

Acute Care Hospital outpatient department · Omaha, Nebraska

See all 12 affiliations

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Dr. Robert Andrew Zimmerman is an emergency medicine physician in Omaha, Nebraska

Dr. Zimmerman practices at CHI Health University Campus Emergency Department - Emergency Department - HOPD in Omaha, Nebraska.

Dr. Zimmerman's NPI, 1275612301, was assigned on November 2, 2006. Dr. Zimmerman graduated from Tulane School of Medicine in 1983. Dr. Zimmerman holds California license C42900.

NPI and contact details
NPI enumeration date
November 2, 2006
NPI status
Active
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
72
Medical school graduation
1983

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Robert Andrew Zimmerman practices at CHI Health University Campus Emergency Department - Emergency Department - HOPD in Omaha, Nebraska

Dr. Zimmerman's primary practice is CHI Health University Campus Emergency Department - Emergency Department - HOPD, at 2412 Cuming St, Omaha, NE 68131.

  • CHI Health University Campus Emergency Department - Emergency Department - HOPD
    2412 Cuming St, Omaha, NE 68131

Source: Dmand AI Affiliation Data

Dr. Robert Andrew Zimmerman is affiliated with 5 sites of care and 7 medical groups

Dr. Zimmerman's primary practice is CHI Health University Campus Emergency Department - Emergency Department - HOPD in Omaha, Nebraska. Dr. Zimmerman is also affiliated with CHI Health Creighton University Medical Center - Bergan Mercy. The medical group on file is CHI Health Clinic. Dmand AI also links Dr. Zimmerman to 2 more hospitals, 6 medical groups and 1 group practice or clinic, each named with a free account.

See all 12 affiliations for Dr. Zimmerman

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Robert Andrew Zimmerman's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zimmerman practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
CHI Health University Campus Emergency Department - Emergency Department - HOPDAvailable with a free account
+4 more sites and 6 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert Andrew Zimmerman is one of 248 emergency medicine physicians in Nebraska

Emergency medicine is Dr. Zimmerman's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Zimmerman is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Zimmerman's licenses on file in 6 states: California, Hawaii, Nebraska, Arizona, Michigan and Louisiana.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense C42900 · 1991 to 2027 · taxonomy 207P00000X
  • Hawaii license2012 to 2026
  • Nebraska license2024 to 2026
  • Arizona license2017 to 2025
  • Michigan license1990 to 1994
  • Louisiana license1983 to 1993

Emergency medicine physicians near Dr. Zimmerman

Counts of emergency 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. Robert Andrew Zimmerman billed Medicare for 704 services in 2024

CMS data shows 704 Medicare services from Dr. Zimmerman across 5 procedure codes in 2024, for 455 Medicare patients. Medicare paid $58,688 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024704
Medicare patients455
Paid by Medicare$58,688
Procedure codes5

Dr. Zimmerman's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 5912024: 50215%
Tests and treatments
2023: 1442024: 20240%
Surgery
2023: 122024: 0100%

Dr. Zimmerman compared with the Nebraska median for emergency medicine physicians, 2024

  • Dr. Zimmerman
  • Nebraska median
Medicare services
704vs 2882.4 times
Medicare patients
455vs 28162% above
Part D claims
236vs 584.1 times

Medians across 242 emergency medicine physicians in Nebraska with Dmand AI profiles that report each measure.

Dr. Zimmerman'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. Zimmerman

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Robert Andrew Zimmerman treated 455 Medicare patients in 2024, average age 77

CMS counts 455 Medicare patients who saw Dr. Zimmerman in 2024. The largest group is 75 to 84, with 168 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Zimmerman's median patient age at 57, with 54% women.

Medicare patients, 2024455
Average age77
Average risk score1.44
Also on Medicaid25%

Dr. Zimmerman's Medicare patients by age, 2024

Dr. Zimmerman's Medicare patients by sex, 2024

  • Women25556%
  • Men20044%

Chronic conditions among Dr. Zimmerman's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis56%
  4. Mood disorders37%
  5. Depression33%
  6. Anxiety31%
  7. Ischemic heart disease28%
  8. Diabetes27%

Share of Medicare patients with each condition. A patient can have several.

Dr. Zimmerman's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 57

Patient panel by sex, all payers

  • Women54%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Robert Andrew Zimmerman wrote 476 Medicare Part D claims in 2024

In 2024, Dr. Zimmerman wrote 476 Medicare Part D claims for 307 patients. 93% of them were for generic drugs. CMS names the drug for 236 of them, across 8 drugs with 11 or more claims each, at $1,702 in total drug cost. In 2023, CMS named 270 claims across 12 drugs.

Part D claims, 2024476
Drugs named by CMS8
Total drug cost$1,702
Part D patients307

Dr. Zimmerman's Part D claims by kind of drug, 2024

  • Generic442 claims93%
  • Brand-name34 claims7%

Dr. Zimmerman'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. Zimmerman's Part D claims, 2024

  • Opioids8%37 of 476 claims
  • Antibiotics22%106 of 476 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: 2702024: 23613%

Drugs named by CMS: 8 in 2024, 12 in 2023.

See all prescribing by Dr. Zimmerman

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. Robert Andrew Zimmerman scored 99 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for Dr. Zimmerman for performance year 2024, reported as part of a group.

Dr. Zimmerman's MIPS scores, performance year 2024

  • 99of 100Final score
  • 93.1of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Robert Andrew Zimmerman received $12 in industry payments in 2019

CMS Open Payments shows 1 general payment to Dr. Zimmerman from 1 drug or device company in 2019. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $12.

Companies that paid Dr. Zimmerman the most, 2019 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Zimmerman

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Robert Andrew Zimmerman graduated from Tulane School of Medicine

Dr. Zimmerman graduated from Tulane School of Medicine in 1983.

  1. Medical schoolTulane School of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Robert Andrew Zimmerman accepts plans from 11 insurance carriers

Dr. Zimmerman is in network with 11 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Aetna
  • Aspirus Health Plan
  • Blue Cross and Blue Shield of Kansas City
  • +3 more carriersWith a free account

Plan types Dr. Zimmerman accepts, by number of carriers

  1. PPO7
  2. Medicare6
  3. HMO4
  4. POS2
  5. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert Andrew Zimmerman'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand 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 percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Robert Andrew Zimmerman

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. Robert Andrew Zimmerman's NPI number?

Dr. Robert Andrew Zimmerman's NPI number is 1275612301. It was assigned on November 2, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert Andrew Zimmerman?

Dr. Robert Andrew Zimmerman is an emergency medicine physician in Omaha, Nebraska. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Robert Andrew Zimmerman practice?

Dr. Zimmerman practices at 2412 Cuming St, Omaha, NE 68131. Dr. Zimmerman's primary practice is CHI Health University Campus Emergency Department - Emergency Department - HOPD in Omaha, Nebraska. Dmand AI also links Dr. Zimmerman to 2 hospitals, 6 medical groups and 1 group practice or clinic.

What is Dr. Robert Andrew Zimmerman's medical license number?

Dr. Zimmerman holds California license C42900, one of the licenses on file in 6 states.

Which states has Dr. Robert Andrew Zimmerman been licensed in?

Dmand AI has state licenses on file for Dr. Zimmerman in California (1991 to 2027), Hawaii (2012 to 2026), Nebraska (2024 to 2026), Arizona (2017 to 2025), Michigan (1990 to 1994) and Louisiana (1983 to 1993).

Which hospitals is Dr. Robert Andrew Zimmerman affiliated with?

Dr. Zimmerman is affiliated with CHI Health Creighton University Medical Center - Bergan Mercy. Dmand AI links Dr. Zimmerman to 2 more hospitals.

What medical group is Dr. Robert Andrew Zimmerman part of?

Dr. Zimmerman is linked to CHI Health Clinic. Dmand AI links Dr. Zimmerman to 6 more medical groups.

Does Dr. Robert Andrew Zimmerman accept Medicare?

Yes. CMS data shows Dr. Zimmerman billed Medicare for 704 services in 2024.

What is Dr. Robert Andrew Zimmerman's MIPS score?

Dr. Zimmerman's MIPS final score for performance year 2024 is 99 out of 100, reported as part of a group.

How many Medicare patients does Dr. Robert Andrew Zimmerman see?

CMS counts 455 Medicare patients who saw Dr. Zimmerman in 2024, with an average age of 77.

Show 7 more questionsShow fewer questions

Is Dr. Robert Andrew Zimmerman board certified?

Yes. Dr. Zimmerman is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Robert Andrew Zimmerman bill to Medicare?

In 2024, Dr. Zimmerman's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).

Where did Dr. Robert Andrew Zimmerman go to medical school?

Dr. Zimmerman graduated from Tulane School of Medicine in 1983.

What drugs does Dr. Robert Andrew Zimmerman prescribe most?

In 2024 Medicare Part D data, Dr. Zimmerman's most prescribed drugs by claims were Ibuprofen, Cefdinir and Ondansetron ODT.

Has Dr. Robert Andrew Zimmerman received payments from drug or device companies?

CMS Open Payments shows $12 in general payments to Dr. Zimmerman from 1 company from 2019 to 2019. The largest total came from Hologic Inc.

How long has Dr. Robert Andrew Zimmerman been practicing?

Dr. Zimmerman graduated from medical school in 1983, 43 years ago.

What insurance does Dr. Robert Andrew Zimmerman accept?

Dr. Zimmerman is in network with 11 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.

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