Dr. Stephen M. Nathanson, MD
- Industry payments
- $939
- Affiliated sites
- 2
- Medical group
- 1
- Insurance carriers
- 10
- State license
- 1
- Practice address
- 26357 Mcbean Parkway, Suite #100, Santa Clarita, CA 91355
- Practice phone
- Call (661) 799-8300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence Summit Surgery Center
Surgery Center - Medicare-Certified · Santa Clarita, California
Find Dr. Nathanson'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. Stephen M. Nathanson is a pediatrician in Valencia, California
Dr. Nathanson practices at Providence Summit Surgery Center in Santa Clarita, California.
Dr. Nathanson's NPI, 1851310452, was assigned on July 18, 2006. Dr. Nathanson graduated from UTMB Health in 1986. Dr. Nathanson's California license number on file is A43977.
- NPI
- 1851310452NPI Registry (opens in a new tab)
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Practice phone
- (661) 799-8300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Stephen M. Nathanson practices at Providence Summit Surgery Center in Santa Clarita, California
Dr. Nathanson's primary practice is Providence Summit Surgery Center, at 26357 Mcbean Parkway, Suite #100, Santa Clarita, CA 91355. The practice phone is (661) 799-8300.
- Providence Summit Surgery Center26357 Mcbean Parkway, Suite #100, Santa Clarita, CA 91355Phone(661) 799-8300
Source: Dmand AI Affiliation Data
Dr. Stephen M. Nathanson is affiliated with 2 sites of care and 1 medical group
Dr. Nathanson's primary practice is Providence Summit Surgery Center in Santa Clarita, California. The medical group on file is Facey Medical Group. Dmand AI also links Dr. Nathanson 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. Stephen M. Nathanson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nathanson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Summit Surgery Center | 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. Stephen M. Nathanson is one of 8,236 pediatricians in California
Pediatrics is Dr. Nathanson's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Nathanson is board certified in pediatrics by the American Board of Pediatrics. Dr. Nathanson has a license on file in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Nathanson
Counts of pediatricians 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 M. Nathanson's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. Nathanson's median patient age at 10, with 40% women.
Dr. Nathanson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women40%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. Stephen M. Nathanson received $939 in industry payments from 2016 to 2024
CMS Open Payments shows 51 general payments to Dr. Nathanson from 16 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $292.
General payments to Dr. Nathanson by program year, 2016 to 2024
Companies that paid Dr. Nathanson the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen M. Nathanson graduated from UTMB Health
Dr. Nathanson graduated from UTMB Health in 1986.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Stephen M. Nathanson accepts plans from 10 insurance carriers
Dr. Nathanson is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare 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
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +2 more carriersWith a free account
Plan types Dr. Nathanson accepts, by number of carriers
- Medicare7
- PPO7
- POS4
- HMO3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen M. Nathanson'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Stephen M. Nathanson
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 M. Nathanson's NPI number?
Dr. Stephen M. Nathanson's NPI number is 1851310452. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen M. Nathanson?
Dr. Stephen M. Nathanson is a pediatrician in Valencia, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Stephen M. Nathanson practice?
Dr. Nathanson practices at 26357 Mcbean Parkway, Suite #100, Santa Clarita, CA 91355. Dr. Nathanson's primary practice is Providence Summit Surgery Center in Santa Clarita, California. Dmand AI also links Dr. Nathanson to 1 group practice or clinic.
What is Dr. Stephen M. Nathanson's office phone number?
The practice phone on file for Dr. Nathanson is (661) 799-8300.
What is Dr. Stephen M. Nathanson's medical license number?
Dr. Nathanson's California license number on file is A43977.
What medical group is Dr. Stephen M. Nathanson part of?
Dr. Nathanson is linked to Facey Medical Group.
Is Dr. Stephen M. Nathanson board certified?
Yes. Dr. Nathanson is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Stephen M. Nathanson go to medical school?
Dr. Nathanson graduated from UTMB Health in 1986.
Has Dr. Stephen M. Nathanson received payments from drug or device companies?
CMS Open Payments shows $939 in general payments to Dr. Nathanson from 16 companies from 2016 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Stephen M. Nathanson been practicing?
Dr. Nathanson graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Stephen M. Nathanson accept?
Dr. Nathanson is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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