AdenomaAmpulla of VaterCommon Bile Duct Neoplasms
Dr. Steven Paris Posner, MD
NPI1083684872PAC ID7214938786
- Medicare services, 2024
- 533
- Medicare patients, 2024
- 339
- Part D claims, 2024
- 166
- Publications
- 5
- MIPS score, 2024
- 100
- Practice address
- 12827 Harbor Blvd, Garden Grove, CA 92840
- Practice phone
- Call (610) 644-8900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Orange County Vascular Surgery Center
Surgery Center - Medicare-Certified · Garden Grove, California
Find Dr. Posner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Steven Paris Posner is a vascular surgeon in Garden Grove, California
Dr. Posner practices at Orange County Vascular Surgery Center in Garden Grove, California.
Dr. Posner's NPI, 1083684872, was assigned on January 24, 2006. Dr. Posner graduated from Jacobs School of Medicine and Biomedical Sciences in 1996. Dr. Posner holds California license A82743.
NPI and contact details
- NPI
- 1083684872NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214938786
- NPI enumeration date
- January 24, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (610) 644-8900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven Paris Posner practices at Orange County Vascular Surgery Center in Garden Grove, California
Dr. Posner's primary practice is Orange County Vascular Surgery Center, at 12827 Harbor Blvd, Garden Grove, CA 92840. The practice phone is (610) 644-8900.
- Orange County Vascular Surgery Center12827 Harbor Blvd, Garden Grove, CA 92840Phone(610) 644-8900
Source: Dmand AI Affiliation Data
Dr. Steven Paris Posner is affiliated with 3 sites of care and 3 medical groups
Dr. Posner's primary practice is Orange County Vascular Surgery Center in Garden Grove, California. Dr. Posner is also affiliated with AHMC Anaheim Regional Medical Center. The medical group on file is Beverly Radiology Medical Group. Dmand AI also links Dr. Posner to 2 more medical groups and 1 ambulatory surgery center, each named with a free account.
Orange County Vascular Surgery CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steven Paris Posner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Posner practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orange County Vascular Surgery Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Posner practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Steven Paris Posner is one of 532 vascular surgeons in California
Vascular surgery is Dr. Posner's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Posner is board certified in vascular surgery by the American Board of Surgery. Dmand AI has Dr. Posner's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Vascular surgery, CaliforniaPrimary
- Michigan license
Clinical focus
Dmand AI lists blood vessel access for dialysis, carotid revascularization, chronic skin ulcer, leg revascularization, peripheral vascular disease and varicose veins among the conditions Dr. Posner treats.
Vascular surgeons near Dr. Posner
Counts of vascular surgeons with a Dmand AI profile, by place and practice. Each opens the list.
532vascular surgeons in California
2vascular surgeons in Garden Grove
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Steven Paris Posner billed Medicare for 533 services in 2024
CMS data shows 533 Medicare services from Dr. Posner across 11 procedure codes in 2024, for 339 Medicare patients. Medicare paid $123,127 for them.
Medicare services, 2024533
Medicare patients339
Paid by Medicare$123,127
Procedure codes11
Dr. Posner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3152024: 21033%
- Office and hospital visits
- 2023: 1422024: 17322%
- Surgery
- 2023: 1772024: 15015%
- Imaging
- 2023: 1302024: 0100%
Where Dr. Posner's Medicare services took place, 2024
- In an office30457%
- In a facility22943%
Dr. Posner compared with the California median for vascular surgeons, 2024
- Dr. Posner
- California median
- Medicare services
- 533vs 60912% below
- Medicare patients
- 339vs 27225% above
- Part D claims
- 155vs 552.8 times
Medians across 499 vascular surgeons in California with Dmand AI profiles that report each measure.
Dr. Posner'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.
Need commercial claims for Dr. Posner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Posner and other vascular surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven Paris Posner treated 339 Medicare patients in 2024, average age 66
CMS counts 339 Medicare patients who saw Dr. Posner in 2024. The largest group is under 65, with 133 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 85% are also on Medicaid. Their average risk score is 8.87, 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. Posner's median patient age at 62, with 41% women.
Medicare patients, 2024339
Average age66
Average risk score8.87
Also on Medicaid85%
Dr. Posner's Medicare patients by age, 2024
Dr. Posner's Medicare patients by sex, 2024
- Women13339%
- Men20661%
Chronic conditions among Dr. Posner's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Heart failure64%
- Ischemic heart disease51%
- Arthritis38%
- Mood disorders30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Posner'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
- Women41%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven Paris Posner wrote 166 Medicare Part D claims in 2024
In 2024, Dr. Posner wrote 166 Medicare Part D claims for 150 patients. 100% of them were for generic drugs. CMS names the drug for 155 of them, across 2 drugs with 11 or more claims each, at $206 in total drug cost. In 2023, CMS named 81 claims across 3 drugs.
Part D claims, 2024166
Drugs named by CMS2
Total drug cost$206
Part D patients150
Dr. Posner'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. Posner's Part D claims, 2024
- Opioids96%159 of 166 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: 812024: 15591%
Drugs named by CMS: 2 in 2024, 3 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. Steven Paris Posner scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Posner for performance year 2024, reported as part of a group. Dr. Posner accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Posner's MIPS scores, performance year 2024
- 100of 100Final score
- 74.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 95of 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
Find vascular surgeons like Dr. Posner by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Steven Paris Posner has 5 publications on record
Dmand AI links 5 papers to Dr. Posner. The most frequent topics are Femoral Artery and Length of Stay. Dr. Posner's most frequent co-authors are John Alfred Cowan, MD, Gilbert R. Upchurch, MD and Reid Maxwell Wainess, MD.
Papers5
Topics Dr. Posner writes about most
- Femoral Artery
- Length of Stay
Dr. Posner's most frequent co-authors
- John Alfred Cowan, MD1 shared paper
- Gilbert R. Upchurch, MD1 shared paper
- Reid Maxwell Wainess, MD1 shared paper
Recent publications by Dr. Posner
Aorta, AbdominalArterial Occlusive DiseasesBlood Vessel Prosthesis Implantation
AneurysmDecompression, SurgicalFemoral Artery
Ambulatory Surgical ProceduresBlood PressureCardiovascular Agents
See who Dr. Posner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Posner works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Steven Paris Posner received $2,195 in industry payments from 2016 to 2025
CMS Open Payments shows 68 general payments to Dr. Posner from 26 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $368.
General payments to Dr. Posner by program year, 2016 to 2025
Companies that paid Dr. Posner 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. Steven Paris Posner graduated from Jacobs School of Medicine and Biomedical Sciences
Dr. Posner graduated from Jacobs School of Medicine and Biomedical Sciences in 1996.
- Medical school
- Board certified in vascular surgery
Source: Dmand AI Professional Profile Data
Dr. Steven Paris Posner accepts plans from 17 insurance carriers
Dr. Posner is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- LA Care
- Blue Cross Blue Shield of Massachusetts
- +9 more carriersWith a free account
Plan types Dr. Posner accepts, by number of carriers
- Medicare11
- PPO10
- HMO9
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Steven Paris Posner'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. Steven Paris Posner
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. Steven Paris Posner's NPI number?
Dr. Steven Paris Posner's NPI number is 1083684872. It was assigned on January 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven Paris Posner?
Dr. Steven Paris Posner is a vascular surgeon in Garden Grove, California. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Steven Paris Posner practice?
Dr. Posner practices at 12827 Harbor Blvd, Garden Grove, CA 92840. Dr. Posner's primary practice is Orange County Vascular Surgery Center in Garden Grove, California. Dmand AI also links Dr. Posner to 2 medical groups and 1 ambulatory surgery center.
What is Dr. Steven Paris Posner's office phone number?
The practice phone on file for Dr. Posner is (610) 644-8900.
What is Dr. Steven Paris Posner's medical license number?
Dr. Posner holds California license A82743, one of the licenses on file in 2 states.
Which states has Dr. Steven Paris Posner been licensed in?
Dmand AI has state licenses on file for Dr. Posner in California (2003 to 2027) and Michigan (1999 to 2006).
Which hospitals is Dr. Steven Paris Posner affiliated with?
Dr. Posner is affiliated with AHMC Anaheim Regional Medical Center.
What medical group is Dr. Steven Paris Posner part of?
Dr. Posner is linked to Beverly Radiology Medical Group. Dmand AI links Dr. Posner to 2 more medical groups.
Does Dr. Steven Paris Posner accept Medicare?
Yes. CMS data shows Dr. Posner billed Medicare for 533 services in 2024, and Dr. Posner accepts Medicare assignment.
What is Dr. Steven Paris Posner's MIPS score?
Dr. Posner's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Steven Paris Posner see?
CMS counts 339 Medicare patients who saw Dr. Posner in 2024, with an average age of 66.
Is Dr. Steven Paris Posner board certified?
Yes. Dr. Posner is board certified in vascular surgery by the American Board of Surgery.
What services does Dr. Steven Paris Posner bill to Medicare?
In 2024, Dr. Posner's most billed Medicare services were blood vessel study (93985), surgery: heart and blood vessels (36821) and office visit, new patient (99204).
Where did Dr. Steven Paris Posner go to medical school?
Dr. Posner graduated from Jacobs School of Medicine and Biomedical Sciences in 1996.
What drugs does Dr. Steven Paris Posner prescribe most?
In 2024 Medicare Part D data, Dr. Posner's most prescribed drugs by claims were Tramadol HCl and Acetaminophen-Codeine.
Has Dr. Steven Paris Posner received payments from drug or device companies?
CMS Open Payments shows $2,195 in general payments to Dr. Posner from 26 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Steven Paris Posner been practicing?
Dr. Posner graduated from medical school in 1996, 30 years ago.
Does Dr. Steven Paris Posner do research?
Dmand AI links 5 publications to Dr. Posner.
Who does Dr. Steven Paris Posner publish with?
Dr. Posner's most frequent co-authors are John Alfred Cowan, MD (1 shared paper), Gilbert R. Upchurch, MD (1 shared paper) and Reid Maxwell Wainess, MD (1 shared paper).
What insurance does Dr. Steven Paris Posner accept?
Dr. Posner is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.
Selling to vascular surgery practices?
See vascular surgeons in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card