Dr. William Donovan Spangler, MD
- Industry payments
- $3,090
- Insurance carriers
- 12
- State licenses
- 2
- Year NPI issued
- 2005
- Practice address
- 4120 Prescott Rd, Modesto, CA 95356
- Practice phone
- Call (209) 544-7300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Valley Oak Pediatric Associates
Modesto, California
Find Dr. Spangler'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. William Donovan Spangler is a pediatrician in Modesto, California
Dr. Spangler practices at Valley Oak Pediatric Associates in Modesto, California.
Dr. Spangler's NPI, 1194701441, was assigned on December 19, 2005. Dr. Spangler graduated from Drexel University College Of Medicine in 2001. Dr. Spangler's California license number on file is A92843.
- NPI
- 1194701441NPI Registry (opens in a new tab)
- NPI enumeration date
- December 19, 2005
- NPI status
- Active
- Practice phone
- (209) 544-7300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. William Donovan Spangler practices at Valley Oak Pediatric Associates in Modesto, California
Dr. Spangler's primary practice is Valley Oak Pediatric Associates, at 4120 Prescott Rd, Modesto, CA 95356 in Stanislaus County. The practice phone is (209) 544-7300.
- Valley Oak Pediatric Associates4120 Prescott Rd, Modesto, CA 95356 · Stanislaus CountyPhone(209) 544-7300
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William Donovan Spangler is affiliated with 1 site of care
Dr. Spangler's primary practice is Valley Oak Pediatric Associates in Modesto, California.
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. William Donovan Spangler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spangler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Valley Oak Pediatric Associates | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Donovan Spangler is one of 8,236 pediatricians in California
Pediatrics is Dr. Spangler's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Spangler is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Spangler's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
- Pennsylvania license
Pediatricians near Dr. Spangler
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. William Donovan Spangler's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Spangler's median patient age at 9, with 40% women.
Dr. Spangler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. William Donovan Spangler received $3,090 in industry payments from 2016 to 2025
CMS Open Payments shows 127 general payments to Dr. Spangler from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Supernus Pharmaceuticals, Inc. paid the most, $815.
General payments to Dr. Spangler by program year, 2016 to 2025
Companies that paid Dr. Spangler 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. William Donovan Spangler graduated from Drexel University College Of Medicine
Dr. Spangler graduated from Drexel University College Of Medicine in 2001. Dr. Spangler is a member of AAP.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. William Donovan Spangler accepts plans from 12 insurance carriers
Dr. Spangler is in network with 12 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Regence Health Plans
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. Spangler accepts, by number of carriers
- PPO8
- HMO6
- Medicare6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. William Donovan Spangler'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 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. William Donovan Spangler
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. William Donovan Spangler's NPI number?
Dr. William Donovan Spangler's NPI number is 1194701441. It was assigned on December 19, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. William Donovan Spangler?
Dr. William Donovan Spangler is a pediatrician in Modesto, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. William Donovan Spangler practice?
Dr. Spangler practices at 4120 Prescott Rd, Modesto, CA 95356. Dr. Spangler's primary practice is Valley Oak Pediatric Associates in Modesto, California.
What is Dr. William Donovan Spangler's office phone number?
The practice phone on file for Dr. Spangler is (209) 544-7300.
What is Dr. William Donovan Spangler's medical license number?
Dr. Spangler's California license number on file is A92843, one of the licenses on file in 2 states.
Which states has Dr. William Donovan Spangler been licensed in?
Dmand AI has state licenses on file for Dr. Spangler in California (2005 to 2025) and Pennsylvania (2001 to 2006).
Is Dr. William Donovan Spangler board certified?
Yes. Dr. Spangler is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. William Donovan Spangler go to medical school?
Dr. Spangler graduated from Drexel University College Of Medicine in 2001.
Has Dr. William Donovan Spangler received payments from drug or device companies?
CMS Open Payments shows $3,090 in general payments to Dr. Spangler from 25 companies from 2016 to 2025. The largest total came from Supernus Pharmaceuticals, Inc.
How long has Dr. William Donovan Spangler been practicing?
Dr. Spangler graduated from medical school in 2001, 25 years ago.
What insurance does Dr. William Donovan Spangler accept?
Dr. Spangler is in network with 12 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.
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