Dr. Allen Douglas Obrinsky, MD

  • Walnut Creek, CA
  • Pediatrician
NPI1831180132
Industry payments
$1,059
Affiliated sites
3
Medical groups
2
Insurance carriers
11
State license
1
Practice address
1450 Treat Blvd, Walnut Creek, CA 94597
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

John Muir Medical Center - Walnut C - Imaging - HOPD

Acute Care Hospital outpatient department · Walnut Creek, California

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Dr. Allen Douglas Obrinsky is a pediatrician in Walnut Creek, California

Dr. Obrinsky practices at John Muir Medical Center - Walnut C - Imaging - HOPD in Walnut Creek, California.

Dr. Obrinsky's NPI, 1831180132, was assigned on November 4, 2005. Dr. Obrinsky graduated from Drexel University College Of Medicine in 1986. Dr. Obrinsky holds California license G61060.

NPI and contact details
NPI enumeration date
November 4, 2005
NPI status
Active
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1986

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Allen Douglas Obrinsky practices at John Muir Medical Center - Walnut C - Imaging - HOPD in Walnut Creek, California

Dr. Obrinsky's primary practice is John Muir Medical Center - Walnut C - Imaging - HOPD, at 1450 Treat Blvd, Walnut Creek, CA 94597.

  • John Muir Medical Center - Walnut C - Imaging - HOPD
    1450 Treat Blvd, Walnut Creek, CA 94597

Source: Dmand AI Affiliation Data

Dr. Allen Douglas Obrinsky is affiliated with 3 sites of care and 2 medical groups

Dr. Obrinsky's primary practice is John Muir Medical Center - Walnut C - Imaging - HOPD in Walnut Creek, California. The medical group on file is John Muir Medical Group. Dmand AI also links Dr. Obrinsky to 2 more group practices and clinics and 1 medical group, each named with a free account. Dr. Obrinsky's employer is on file too: a hospital.

See all 5 affiliations for Dr. Obrinsky

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Allen Douglas Obrinsky's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Obrinsky practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
John Muir Medical Center - Walnut C - Imaging - HOPDAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Allen Douglas Obrinsky is one of 8,236 pediatricians in California

Pediatrics is Dr. Obrinsky's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Obrinsky is board certified in pediatrics by the American Board of Pediatrics. Dr. Obrinsky is licensed in California.

Specialties and state licenses

  • Pediatrics, CaliforniaPrimaryLicense G61060 · 1987 to 2026 · taxonomy 208000000X

Pediatricians near Dr. Obrinsky

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. Allen Douglas Obrinsky's patients have a median age of 12

Across all payers, Dmand AI patient panel data puts Dr. Obrinsky's median patient age at 12, with 34% women.

Dr. Obrinsky's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 12

Patient panel by sex, all payers

  • Women34%
  • Men66%

Source: Dmand AI Patient Panel Data

Dr. Allen Douglas Obrinsky received $1,059 in industry payments from 2017 to 2025

CMS Open Payments shows 54 general payments to Dr. Obrinsky from 20 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $223.

General payments to Dr. Obrinsky by program year, 2017 to 2025

Companies that paid Dr. Obrinsky the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Obrinsky

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Allen Douglas Obrinsky has 1 award and honors on record

Dmand AI lists 1 award for Dr. Obrinsky.

Awards and honors for Dr. Obrinsky

  1. Undated
    • AAP Fellow

Source: Dmand AI Professional Profile Data

Dr. Allen Douglas Obrinsky graduated from Drexel University College Of Medicine

Dr. Obrinsky graduated from Drexel University College Of Medicine in 1986. Dr. Obrinsky is a member of AAP.

  1. Medical schoolDrexel University College Of Medicine
  2. Board certified in pediatricsAmerican Board of Pediatrics
  3. Board certified in pediatricsNational Board of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Dr. Allen Douglas Obrinsky accepts plans from 11 insurance carriers

Dr. Obrinsky is in network with 11 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
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • Regence Health Plans
  • Alliant Health Plans
  • +3 more carriersWith a free account

Plan types Dr. Obrinsky accepts, by number of carriers

  1. PPO7
  2. HMO6
  3. Medicare6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Allen Douglas Obrinsky's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Allen Douglas Obrinsky

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. Allen Douglas Obrinsky's NPI number?

Dr. Allen Douglas Obrinsky's NPI number is 1831180132. It was assigned on November 4, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Allen Douglas Obrinsky?

Dr. Allen Douglas Obrinsky is a pediatrician in Walnut Creek, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).

Where does Dr. Allen Douglas Obrinsky practice?

Dr. Obrinsky practices at 1450 Treat Blvd, Walnut Creek, CA 94597. Dr. Obrinsky's primary practice is John Muir Medical Center - Walnut C - Imaging - HOPD in Walnut Creek, California. Dmand AI also links Dr. Obrinsky to 2 group practices and clinics and 1 medical group.

What is Dr. Allen Douglas Obrinsky's medical license number?

Dr. Obrinsky holds California license G61060.

What medical group is Dr. Allen Douglas Obrinsky part of?

Dr. Obrinsky is linked to John Muir Medical Group. Dmand AI links Dr. Obrinsky to 1 more medical group.

Is Dr. Allen Douglas Obrinsky board certified?

Yes. Dr. Obrinsky is board certified in pediatrics by the American Board of Pediatrics.

Where did Dr. Allen Douglas Obrinsky go to medical school?

Dr. Obrinsky graduated from Drexel University College Of Medicine in 1986.

Has Dr. Allen Douglas Obrinsky received payments from drug or device companies?

CMS Open Payments shows $1,059 in general payments to Dr. Obrinsky from 20 companies from 2017 to 2025. The largest total came from GlaxoSmithKline, LLC.

How long has Dr. Allen Douglas Obrinsky been practicing?

Dr. Obrinsky graduated from medical school in 1986, 40 years ago.

What insurance does Dr. Allen Douglas Obrinsky accept?

Dr. Obrinsky is in network with 11 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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