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Dennis P. Siegler
NPI1174687743
- Part D claims, 2024
- 52
- Publications
- 1
- MIPS score, 2024
- 61
- Hospital affiliations
- 1
- Industry payments
- $28
- Practice address
- 751 S Bascom Ave, San Jose, CA 95128
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Valley Health Center Sunnyvale
San Jose, California
Find Dennis Siegler'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.
Dennis P. Siegler is an OB-GYN in San Jose, California
Dennis Siegler practices at Valley Health Center Sunnyvale in San Jose, California.
Dennis Siegler's NPI, 1174687743, was assigned on December 20, 2006. Dennis Siegler graduated from MCP-Hahnemann College of Medicine in 1989. Dennis Siegler holds California license G69589.
NPI and contact details
- NPI
- 1174687743NPI Registry (opens in a new tab)
- NPI enumeration date
- December 20, 2006
- NPI status
- Active
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dennis P. Siegler practices at Valley Health Center Sunnyvale in San Jose, California
Dennis Siegler's primary practice is Valley Health Center Sunnyvale, at 751 S Bascom Ave, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.
- Valley Health Center Sunnyvale751 S Bascom Ave, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dennis P. Siegler is affiliated with 2 sites of care and 1 medical group
Dennis Siegler's primary practice is Valley Health Center Sunnyvale in San Jose, California. Dennis Siegler is also affiliated with Santa Clara Valley Medical Center. The medical group on file is County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.
Valley Health Center SunnyvalePrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dennis P. Siegler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dennis Siegler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Health Center Sunnyvale | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dennis P. Siegler is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dennis Siegler's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dennis Siegler is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dennis Siegler is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
Clinical focus
Dmand AI lists menopause and pelvic prolapse among the conditions Dennis Siegler treats.
OB-GYNs near Dennis Siegler
Counts of OB-GYNs 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
Dennis P. Siegler's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Dennis Siegler's median patient age at 37, with 100% women.
Dennis Siegler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dennis P. Siegler wrote 52 Medicare Part D claims in 2024
In 2024, Dennis Siegler wrote 52 Medicare Part D claims for 12 patients. 87% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $1,140 in total drug cost. In 2021, CMS named 24 claims across 2 drugs.
Part D claims, 202452
Drugs named by CMS1
Total drug cost$1,140
Part D patients12
Dennis Siegler's Part D claims by kind of drug, 2024
- Generic45 claims87%
- Brand-name and other7 claims13%
Dennis Siegler'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.
Part D claims for drugs CMS names, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 242024: 1442%
Drugs named by CMS: 1 in 2024, 2 in 2021.
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
Dennis P. Siegler scored 61 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 61 out of 100 for Dennis Siegler for performance year 2024, reported as part of a group.
Dennis Siegler's MIPS scores, performance year 2024
- 61of 100Final score
- 59.4of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
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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Dennis P. Siegler has 1 publication on record
Dmand AI links 1 paper to Dennis Siegler in 2017. Dennis Siegler's most frequent co-authors are Micaela Marie Esquivel, MD, Thomas Geoghegan Weiser, MD and Russell Kong-Yen Woo, MD.
Papers1
Dennis Siegler's most frequent co-authors
- Micaela Marie Esquivel, MD1 shared paper
- Thomas Geoghegan Weiser, MD1 shared paper
- Russell Kong-Yen Woo, MD1 shared paper
Recent publications by Dennis Siegler
See who Dennis Siegler researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dennis Siegler works with, so you can find a warm path to the right OB-GYNs.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dennis P. Siegler received $28 in industry payments from 2016 to 2022
CMS Open Payments shows 2 general payments to Dennis Siegler from 2 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $18.
General payments to Dennis Siegler by program year, 2016 to 2022
Companies that paid Dennis Siegler the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dennis P. Siegler has 1 award and honors on record
Dmand AI lists 1 award for Dennis Siegler.
Awards and honors for Dennis Siegler
- Undated
- ACOG Fellow
Source: Dmand AI Professional Profile Data
Dennis P. Siegler graduated from MCP-Hahnemann College of Medicine
Dennis Siegler graduated from MCP-Hahnemann College of Medicine in 1989. Dennis Siegler is a member of American College of Obstetricians and Gynecologists.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dennis P. Siegler accepts plans from 5 insurance carriers
Dennis Siegler is in network with 5 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- CMS Medicare
- Molina
Plan types Dennis Siegler accepts, by number of carriers
- Medicare4
- POS3
- PPO3
- EPO2
- HMO2
Source: Dmand AI Insurance Network Data
Sources for Dennis P. Siegler'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 | 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) |
| 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 Dennis P. Siegler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dennis P. Siegler's NPI number?
Dennis P. Siegler's NPI number is 1174687743. It was assigned on December 20, 2006, and it is active in the NPI Registry.
What does Dennis P. Siegler specialize in?
Dennis P. Siegler is an OB-GYN in San Jose, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dennis P. Siegler practice?
Dennis Siegler practices at 751 S Bascom Ave, San Jose, CA 95128. Dennis Siegler's primary practice is Valley Health Center Sunnyvale in San Jose, California.
What is Dennis P. Siegler's office phone number?
The practice phone on file for Dennis Siegler is (408) 885-5000.
What is Dennis P. Siegler's medical license number?
Dennis Siegler holds California license G69589.
Which hospitals is Dennis P. Siegler affiliated with?
Dennis Siegler is affiliated with Santa Clara Valley Medical Center.
What medical group is Dennis P. Siegler part of?
Dennis Siegler is linked to County of Santa Clara Behavioral Health Services, Las Plumas Behavioral Health Clinic.
What is Dennis P. Siegler's MIPS score?
Dennis Siegler's MIPS final score for performance year 2024 is 61 out of 100, reported as part of a group.
Is Dennis P. Siegler board certified?
Yes. Dennis Siegler is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
Where did Dennis P. Siegler go to medical school?
Dennis Siegler graduated from MCP-Hahnemann College of Medicine in 1989.
Show 6 more questionsShow fewer questions
What drugs does Dennis P. Siegler prescribe most?
In 2024 Medicare Part D data, Dennis Siegler's most prescribed drugs by claims were Estradiol.
Has Dennis P. Siegler received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dennis Siegler from 2 companies from 2016 to 2022. The largest total came from Boston Scientific Corporation.
How long has Dennis P. Siegler been practicing?
Dennis Siegler graduated from medical school in 1989, 37 years ago.
Does Dennis P. Siegler do research?
Dmand AI links 1 publication to Dennis Siegler.
Who does Dennis P. Siegler publish with?
Dennis Siegler's most frequent co-authors are Micaela Marie Esquivel, MD (1 shared paper), Thomas Geoghegan Weiser, MD (1 shared paper) and Russell Kong-Yen Woo, MD (1 shared paper).
What insurance does Dennis P. Siegler accept?
Dennis Siegler is in network with 5 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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