Dr. Donald Zweig, MD
- Medicare services, 2024
- 520
- Medicare patients, 2024
- 296
- Part D claims, 2024
- 336
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 1700 Coffee Rd, Modesto, CA 95355
- Practice phone
- Call (209) 526-4500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zweig's professional email, personal email and mobile number
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Dr. Donald Zweig is an emergency medicine physician in Modesto, California
Dr. Zweig practices at Memorial Medical Center in Modesto, California, part of Sutter Health.
Dr. Zweig's NPI, 1942317706, was assigned on August 25, 2006. Dr. Zweig graduated from UCSF School of Medicine in 1979. Dr. Zweig holds California license G47252.
- NPI
- 1942317706NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416082490
- NPI enumeration date
- August 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (209) 526-4500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Donald Zweig practices at Memorial Medical Center in Modesto, California
Dr. Zweig's primary practice is Memorial Medical Center, at 1700 Coffee Rd, Modesto, CA 95355 in Stanislaus County. The practice phone is (209) 526-4500.
- Memorial Medical Center1700 Coffee Rd, Modesto, CA 95355 · Stanislaus CountyPhone(209) 526-4500
Source: Dmand AI Affiliation Data
Dr. Donald Zweig is affiliated with 2 sites of care and 2 medical groups
Dr. Zweig's primary practice is Memorial Medical Center in Modesto, California, part of Sutter Health. The medical group on file is Vituity. Dmand AI also links Dr. Zweig to 1 more community health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Donald Zweig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zweig practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Donald Zweig is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Zweig's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Zweig is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Zweig's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Pennsylvania license
Emergency medicine physicians near Dr. Zweig
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. Donald Zweig billed Medicare for 520 services in 2024
CMS data shows 520 Medicare services from Dr. Zweig across 4 procedure codes in 2024, for 296 Medicare patients. Medicare paid $43,942 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zweig's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4052024: 30425%
- Tests and treatments
- 2023: 2602024: 21617%
- Imaging
- 2023: 342024: 0100%
Dr. Zweig compared with the California median for emergency medicine physicians, 2024
- Dr. Zweig
- California median
- Medicare services
- 520vs 26596% above
- Medicare patients
- 296vs 24322% above
- Part D claims
- 154vs 622.5 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Zweig'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. Zweig and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Donald Zweig treated 296 Medicare patients in 2024, average age 74
CMS counts 296 Medicare patients who saw Dr. Zweig in 2024. The largest group is 65 to 74, with 97 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 2.58, 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. Zweig's median patient age at 45, with 56% women.
Dr. Zweig's Medicare patients by age, 2024
Dr. Zweig's Medicare patients by sex, 2024
- Women15753%
- Men13947%
Chronic conditions among Dr. Zweig's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes46%
- Chronic kidney disease42%
- Ischemic heart disease41%
- Mood disorders40%
- COPD38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zweig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Donald Zweig wrote 336 Medicare Part D claims in 2024
In 2024, Dr. Zweig wrote 336 Medicare Part D claims for 203 patients. 91% of them were for generic drugs. CMS names the drug for 154 of them, across 8 drugs with 11 or more claims each, at $959 in total drug cost. In 2023, CMS named 241 claims across 11 drugs.
Dr. Zweig's Part D claims by kind of drug, 2024
- Generic305 claims91%
- Brand-name and other31 claims9%
Dr. Zweig'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. Zweig's Part D claims, 2024
- Opioids12%39 of 336 claims
- Antibiotics31%104 of 336 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: 15436%
Drugs named by CMS: 8 in 2024, 11 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. Donald Zweig scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Zweig for performance year 2024, reported as part of a group. Dr. Zweig accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Zweig's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 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. Donald Zweig graduated from UCSF School of Medicine
Dr. Zweig graduated from UCSF School of Medicine in 1979.
- Medical school
- Board certified in emergency medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Donald Zweig accepts plans from 3 insurance carriers
Dr. Zweig is in network with 3 carriers, including Aetna, Elevance and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Aetna
- Elevance
- CMS Medicare
Plan types Dr. Zweig accepts, by number of carriers
- Medicare3
- PPO2
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Donald Zweig'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) |
| 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) |
| 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. Donald Zweig
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. Donald Zweig's NPI number?
Dr. Donald Zweig's NPI number is 1942317706. It was assigned on August 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Donald Zweig?
Dr. Donald Zweig is an emergency medicine physician in Modesto, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Donald Zweig practice?
Dr. Zweig practices at 1700 Coffee Rd, Modesto, CA 95355. Dr. Zweig's primary practice is Memorial Medical Center in Modesto, California, part of Sutter Health. Dmand AI also links Dr. Zweig to 1 community health center and 1 medical group.
What is Dr. Donald Zweig's office phone number?
The practice phone on file for Dr. Zweig is (209) 526-4500.
What is Dr. Donald Zweig's medical license number?
Dr. Zweig holds California license G47252, one of the licenses on file in 2 states.
Which states has Dr. Donald Zweig been licensed in?
Dmand AI has state licenses on file for Dr. Zweig in California (1982 to 2026) and Pennsylvania (1981 to 1982).
Which hospitals is Dr. Donald Zweig affiliated with?
Dr. Zweig practices at Memorial Medical Center in Modesto, California.
What medical group is Dr. Donald Zweig part of?
Dr. Zweig is linked to Vituity. Dmand AI links Dr. Zweig to 1 more medical group.
Does Dr. Donald Zweig accept Medicare?
Yes. CMS data shows Dr. Zweig billed Medicare for 520 services in 2024, and Dr. Zweig accepts Medicare assignment.
What is Dr. Donald Zweig's MIPS score?
Dr. Zweig's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Donald Zweig see?
CMS counts 296 Medicare patients who saw Dr. Zweig in 2024, with an average age of 74.
Is Dr. Donald Zweig board certified?
Yes. Dr. Zweig is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Donald Zweig bill to Medicare?
In 2024, Dr. Zweig's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and critical care (99291).
Where did Dr. Donald Zweig go to medical school?
Dr. Zweig graduated from UCSF School of Medicine in 1979.
What drugs does Dr. Donald Zweig prescribe most?
In 2024 Medicare Part D data, Dr. Zweig's most prescribed drugs by claims were Ibuprofen, Hydrocodone-Acetaminophen and Doxycycline Hyclate.
How long has Dr. Donald Zweig been practicing?
Dr. Zweig graduated from medical school in 1979, 47 years ago.
What insurance does Dr. Donald Zweig accept?
Dr. Zweig is in network with 3 carriers, including Aetna, Elevance and CMS Medicare. Medicare plans come from the most carriers, 3. Check the plan with the practice before a visit.
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