Dr. Stephen Ignatius Zuniga, MD
- Medicare services, 2024
- 126
- Medicare patients, 2024
- 111
- Part D claims, 2024
- 173
- Hospital affiliations
- 2
- Industry payments
- $20,145
- Practice address
- 2365 E Fir Ave, Fresno, CA 93720
- Practice phone
- Call (559) 974-0885
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Renaissance Surgery Center - Fresno
Surgery Center - Medicare-Certified · Fresno, California
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Dr. Stephen Ignatius Zuniga is a plastic surgeon in Fresno, California
Dr. Zuniga practices at Renaissance Surgery Center - Fresno in Fresno, California.
Dr. Zuniga's NPI, 1669431409, was assigned on March 21, 2006. Dr. Zuniga graduated from Creighton University School of Medicine - Omaha in 1986. Dr. Zuniga's California license number on file is G631440.
- NPI
- 1669431409NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901960988
- NPI enumeration date
- March 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 974-0885
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 70
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Ignatius Zuniga practices at Renaissance Surgery Center - Fresno in Fresno, California
Dr. Zuniga's primary practice is Renaissance Surgery Center - Fresno, at 2365 E Fir Ave, Fresno, CA 93720. The practice phone is (559) 974-0885.
- Renaissance Surgery Center - Fresno2365 E Fir Ave, Fresno, CA 93720Phone(559) 974-0885
Source: Dmand AI Affiliation Data
Dr. Stephen Ignatius Zuniga is affiliated with 4 sites of care and 2 medical groups
Dr. Zuniga's primary practice is Renaissance Surgery Center - Fresno in Fresno, California. Dr. Zuniga is also affiliated with Saint Agnes Medical Center. The medical group on file is Central California ENT Medical Group. Dmand AI also links Dr. Zuniga to 1 more hospital, 1 ambulatory surgery 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. Stephen Ignatius Zuniga's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zuniga practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Renaissance Surgery Center - Fresno | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Ignatius Zuniga is one of 778 plastic surgeons in California
Plastic surgery is Dr. Zuniga's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Zuniga is board certified in plastic surgery by the American Board of Plastic Surgery. Dr. Zuniga has a license on file in California.
Specialties and state licenses
- Plastic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists breast reconstruction and breast surgery among the conditions Dr. Zuniga treats.
Plastic surgeons near Dr. Zuniga
Counts of plastic 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. Stephen Ignatius Zuniga billed Medicare for 126 services in 2024
CMS data shows 126 Medicare services from Dr. Zuniga across 4 procedure codes in 2024, all of them office visits, for 111 Medicare patients. Medicare paid $7,321 for them. Every service was in an office.
Dr. Zuniga's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1082024: 12617%
- Surgery
- 2023: 152024: 0100%
Dr. Zuniga compared with the California median for plastic surgeons, 2024
- Dr. Zuniga
- California median
- Medicare services
- 126vs 582.2 times
- Medicare patients
- 111vs 5988% above
- Part D claims
- 130vs 265.0 times
Medians across 622 plastic surgeons in California with Dmand AI profiles that report each measure.
Dr. Zuniga'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. Zuniga and other plastic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Ignatius Zuniga treated 111 Medicare patients in 2024, average age 71
CMS counts 111 Medicare patients who saw Dr. Zuniga in 2024. The largest group is 65 to 74, with 78 patients. 75% of them have cancer, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zuniga's median patient age at 56, with 99% women.
Dr. Zuniga's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Zuniga's Medicare patients, 2024
- Cancer75%
- High cholesterol75%
- High blood pressure74%
- Arthritis44%
- Diabetes31%
- Anxiety27%
- Mood disorders26%
- Asthma23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zuniga's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women99%
- Men1%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Ignatius Zuniga wrote 173 Medicare Part D claims in 2024
In 2024, Dr. Zuniga wrote 173 Medicare Part D claims for 40 patients. 94% of them were for generic drugs. CMS names the drug for 130 of them, across 4 drugs with 11 or more claims each, at $1,657 in total drug cost. In 2023, CMS named 202 claims across 5 drugs.
Dr. Zuniga's Part D claims by kind of drug, 2024
- Generic163 claims94%
- Brand-name and other10 claims6%
Dr. Zuniga'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. Zuniga's Part D claims, 2024
- Opioids20%35 of 173 claims
- Antibiotics27%46 of 173 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: 2022024: 13036%
Drugs named by CMS: 4 in 2024, 5 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. Stephen Ignatius Zuniga ranks in the 88th percentile for mastectomy in Medicare
Dr. Zuniga accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 33 procedures of mastectomy by Dr. Zuniga, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Zuniga ranks in Medicare procedure volume
- Mastectomy
- 88th percentile33 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. Stephen Ignatius Zuniga received $20,145 in industry payments from 2016 to 2025
CMS Open Payments shows 304 general payments to Dr. Zuniga from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 80% of the total. Mentor Worldwide LLC paid the most, $5,087.
General payments to Dr. Zuniga by program year, 2016 to 2025
General payments to Dr. Zuniga by kind, 2016 to 2025
- Food and beverage$16,09580%
- Travel and lodging$4,05020%
Companies that paid Dr. Zuniga the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Ignatius Zuniga has 1 award and honors on record
Dmand AI lists 1 award for Dr. Zuniga.
Awards and honors for Dr. Zuniga
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Stephen Ignatius Zuniga graduated from Creighton University School of Medicine - Omaha
Dr. Zuniga graduated from Creighton University School of Medicine - Omaha in 1986. Dr. Zuniga is a member of ACS, ASAPS and ASPS.
- Medical school
- Board certified in plastic surgery
Source: Dmand AI Professional Profile Data
Dr. Stephen Ignatius Zuniga accepts plans from 10 insurance carriers
Dr. Zuniga is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- Elevance
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +2 more carriersWith a free account
Plan types Dr. Zuniga accepts, by number of carriers
- PPO7
- Medicare6
- HMO4
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen Ignatius Zuniga'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) |
| 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. Stephen Ignatius Zuniga
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. Stephen Ignatius Zuniga's NPI number?
Dr. Stephen Ignatius Zuniga's NPI number is 1669431409. It was assigned on March 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Ignatius Zuniga?
Dr. Stephen Ignatius Zuniga is a plastic surgeon in Fresno, California. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Stephen Ignatius Zuniga practice?
Dr. Zuniga practices at 2365 E Fir Ave, Fresno, CA 93720. Dr. Zuniga's primary practice is Renaissance Surgery Center - Fresno in Fresno, California. Dmand AI also links Dr. Zuniga to 1 hospital, 1 ambulatory surgery center and 1 medical group.
What is Dr. Stephen Ignatius Zuniga's office phone number?
The practice phone on file for Dr. Zuniga is (559) 974-0885.
What is Dr. Stephen Ignatius Zuniga's medical license number?
Dr. Zuniga's California license number on file is G631440.
Which hospitals is Dr. Stephen Ignatius Zuniga affiliated with?
Dr. Zuniga is affiliated with Saint Agnes Medical Center. Dmand AI links Dr. Zuniga to 1 more hospital.
What medical group is Dr. Stephen Ignatius Zuniga part of?
Dr. Zuniga is linked to Central California ENT Medical Group. Dmand AI links Dr. Zuniga to 1 more medical group.
Does Dr. Stephen Ignatius Zuniga accept Medicare?
Yes. CMS data shows Dr. Zuniga billed Medicare for 126 services in 2024, and Dr. Zuniga accepts Medicare assignment.
How many Medicare patients does Dr. Stephen Ignatius Zuniga see?
CMS counts 111 Medicare patients who saw Dr. Zuniga in 2024, with an average age of 71.
Is Dr. Stephen Ignatius Zuniga board certified?
Yes. Dr. Zuniga is board certified in plastic surgery by the American Board of Plastic Surgery.
Show 6 more questionsShow fewer questions
What services does Dr. Stephen Ignatius Zuniga bill to Medicare?
In 2024, Dr. Zuniga's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99213) and office visit, new patient (99203).
Where did Dr. Stephen Ignatius Zuniga go to medical school?
Dr. Zuniga graduated from Creighton University School of Medicine - Omaha in 1986.
What drugs does Dr. Stephen Ignatius Zuniga prescribe most?
In 2024 Medicare Part D data, Dr. Zuniga's most prescribed drugs by claims were Ondansetron ODT, Cephalexin and Celecoxib.
Has Dr. Stephen Ignatius Zuniga received payments from drug or device companies?
CMS Open Payments shows $20,145 in general payments to Dr. Zuniga from 20 companies from 2016 to 2025. The largest total came from Mentor Worldwide LLC.
How long has Dr. Stephen Ignatius Zuniga been practicing?
Dr. Zuniga graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Stephen Ignatius Zuniga accept?
Dr. Zuniga is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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