Dr. George G. Zainea, MD
- Medicare services, 2024
- 329
- Medicare patients, 2024
- 276
- Part D claims, 2024
- 697
- Hospital affiliations
- 1
- Industry payments
- $415
- Practice address
- 4000 Wellness Drive, Midland, MI 48670
- Practice phone
- Call (989) 839-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Zainea's professional email, personal email and mobile number
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Dr. George G. Zainea is a colorectal surgeon in Midland, Michigan
Dr. Zainea practices at MyMichigan Medical Center Midland in Midland, Michigan, part of MyMichigan Health.
Dr. Zainea's NPI, 1801906276, was assigned on August 30, 2006. Dr. Zainea graduated from Wayne State University School of Medicine in 1984. Dr. Zainea holds Michigan license GZ405301.
- NPI
- 1801906276NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153216171
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (989) 839-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 68
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. George G. Zainea practices at MyMichigan Medical Center Midland in Midland, Michigan
Dr. Zainea's primary practice is MyMichigan Medical Center Midland, at 4000 Wellness Drive, Midland, MI 48670 in Midland County. The practice phone is (989) 839-3000.
- MyMichigan Medical Center Midland4000 Wellness Drive, Midland, MI 48670 · Midland CountyPhone(989) 839-3000
Source: Dmand AI Affiliation Data
Dr. George G. Zainea is affiliated with 2 sites of care and 1 medical group
Dr. Zainea's primary practice is MyMichigan Medical Center Midland in Midland, Michigan, part of MyMichigan Health. The medical group on file is MyMichigan Medical Center Midland. Dmand AI also links Dr. Zainea 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. George G. Zainea's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zainea practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MyMichigan Medical Center Midland | 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. George G. Zainea is one of 68 colorectal surgeons in Michigan
Colon and rectal surgery is Dr. Zainea's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Zainea is licensed in Michigan.
Specialties and state licenses
- Colon and rectal surgery, MichiganPrimary
Colorectal surgeons near Dr. Zainea
Counts of colorectal surgeons 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. George G. Zainea billed Medicare for 329 services in 2024
CMS data shows 329 Medicare services from Dr. Zainea across 8 procedure codes in 2024, for 276 Medicare patients. Medicare paid $44,858 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Zainea's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2012024: 2209%
- Other services
- 2023: 672024: 627%
- Office and hospital visits
- 2023: 262024: 4781%
Dr. Zainea compared with the Michigan median for colorectal surgeons, 2024
- Dr. Zainea
- Michigan median
- Medicare services
- 329vs 20858% above
- Medicare patients
- 276vs 15479% above
- Part D claims
- 614vs 1583.9 times
Medians across 66 colorectal surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Zainea'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. Zainea and other colorectal surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. George G. Zainea treated 276 Medicare patients in 2024, average age 70
CMS counts 276 Medicare patients who saw Dr. Zainea in 2024. The largest group is 65 to 74, with 171 patients. 69% of them have high cholesterol, and 68% have high blood pressure. 14% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zainea's median patient age at 62, with 44% women.
Dr. Zainea's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Zainea's Medicare patients by sex, 2024
- Women13850%
- Men13850%
Chronic conditions among Dr. Zainea's Medicare patients, 2024
- High cholesterol69%
- High blood pressure68%
- Arthritis38%
- Diabetes31%
- Ischemic heart disease25%
- Mood disorders21%
- Anxiety20%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zainea's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women44%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. George G. Zainea wrote 697 Medicare Part D claims in 2024
In 2024, Dr. Zainea wrote 697 Medicare Part D claims for 588 patients. 68% of them were for generic drugs. CMS names the drug for 614 of them, across 9 drugs with 11 or more claims each, at $50,601 in total drug cost. In 2023, CMS named 563 claims across 7 drugs.
Dr. Zainea's Part D claims by kind of drug, 2024
- Generic476 claims68%
- Brand-name221 claims32%
Dr. Zainea'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. Zainea's Part D claims, 2024
- Opioids4%26 of 697 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: 5632024: 6149%
Drugs named by CMS: 9 in 2024, 7 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. George G. Zainea ranks in the 58th percentile for colonoscopy in Medicare
Dr. Zainea accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 38 procedures of colonoscopy by Dr. Zainea, more than 58% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Zainea ranks in Medicare procedure volume
- Colonoscopy
- 58th percentile38 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. George G. Zainea received $415 in industry payments in 2016
CMS Open Payments shows 10 general payments to Dr. Zainea from 3 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Davol Inc. paid the most, $231.
Companies that paid Dr. Zainea 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. George G. Zainea graduated from Wayne State University School of Medicine
Dr. Zainea graduated from Wayne State University School of Medicine in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. George G. Zainea'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)Doctors and Clinicians Utilization Data (CMS) (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 |
| 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. George G. Zainea
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. George G. Zainea's NPI number?
Dr. George G. Zainea's NPI number is 1801906276. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. George G. Zainea?
Dr. George G. Zainea is a colorectal surgeon in Midland, Michigan. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. George G. Zainea practice?
Dr. Zainea practices at 4000 Wellness Drive, Midland, MI 48670. Dr. Zainea's primary practice is MyMichigan Medical Center Midland in Midland, Michigan, part of MyMichigan Health. Dmand AI also links Dr. Zainea to 1 group practice or clinic.
What is Dr. George G. Zainea's office phone number?
The practice phone on file for Dr. Zainea is (989) 839-3000.
What is Dr. George G. Zainea's medical license number?
Dr. Zainea holds Michigan license GZ405301.
Which hospitals is Dr. George G. Zainea affiliated with?
Dr. Zainea practices at MyMichigan Medical Center Midland in Midland, Michigan.
What medical group is Dr. George G. Zainea part of?
Dr. Zainea is linked to MyMichigan Medical Center Midland.
Does Dr. George G. Zainea accept Medicare?
Yes. CMS data shows Dr. Zainea billed Medicare for 329 services in 2024, and Dr. Zainea accepts Medicare assignment.
How many Medicare patients does Dr. George G. Zainea see?
CMS counts 276 Medicare patients who saw Dr. Zainea in 2024, with an average age of 70.
What services does Dr. George G. Zainea bill to Medicare?
In 2024, Dr. Zainea's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (45380) and medicare service (G0121).
Show 4 more questionsShow fewer questions
Where did Dr. George G. Zainea go to medical school?
Dr. Zainea graduated from Wayne State University School of Medicine in 1984.
What drugs does Dr. George G. Zainea prescribe most?
In 2024 Medicare Part D data, Dr. Zainea's most prescribed drugs by claims were Gavilyte-G, Peg-3350 And Electrolytes and Sutab.
Has Dr. George G. Zainea received payments from drug or device companies?
CMS Open Payments shows $415 in general payments to Dr. Zainea from 3 companies from 2016 to 2016. The largest total came from Davol Inc.
How long has Dr. George G. Zainea been practicing?
Dr. Zainea graduated from medical school in 1984, 42 years ago.
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