Dr. Nicole Rebecca Loeffler-Siu, MD
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 3
- State license
- 1
- Year NPI issued
- 2011
- Practice address
- 380 West MacArthur Boulevard, Oakland, CA 94609
- Practice phone
- Call (510) 251-0121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Addiction Medicine & Recovery Services at Oakland Medical Center
Outpatient Addiction Treatment · Oakland, California
Find Dr. Loeffler-Siu'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. Nicole Rebecca Loeffler-Siu is a pediatrician in Oakland, California
Dr. Loeffler-Siu practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.
Dr. Loeffler-Siu's NPI, 1568743722, was assigned on September 1, 2011. Dr. Loeffler-Siu graduated from New York Medical College in 2009. Dr. Loeffler-Siu holds California license A116209.
- NPI
- 1568743722NPI Registry (opens in a new tab)
- NPI enumeration date
- September 1, 2011
- NPI status
- Active
- Practice phone
- (510) 251-0121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Nicole Rebecca Loeffler-Siu practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California
Dr. Loeffler-Siu's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center, at 380 West MacArthur Boulevard, Oakland, CA 94609. The practice phone is (510) 251-0121.
- Addiction Medicine & Recovery Services at Oakland Medical Center380 West MacArthur Boulevard, Oakland, CA 94609Phone(510) 251-0121
Source: Dmand AI Affiliation Data
Dr. Nicole Rebecca Loeffler-Siu is affiliated with 2 sites of care and 1 medical group
Dr. Loeffler-Siu's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dr. Loeffler-Siu is also affiliated with Vallejo Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nicole Rebecca Loeffler-Siu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Loeffler-Siu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Addiction Medicine & Recovery Services at Oakland Medical 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. Nicole Rebecca Loeffler-Siu is one of 8,236 pediatricians in California
Pediatrics is Dr. Loeffler-Siu's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Loeffler-Siu is board certified in pediatric hospital medicine by the American Board of Pediatrics. Dr. Loeffler-Siu is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Loeffler-Siu
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. Nicole Rebecca Loeffler-Siu's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Loeffler-Siu's median patient age at 9, with 57% women.
Dr. Loeffler-Siu'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
- Women57%
- Men43%
Source: Dmand AI Patient Panel Data
Dr. Nicole Rebecca Loeffler-Siu graduated from New York Medical College
Dr. Loeffler-Siu graduated from New York Medical College in 2009.
- Medical school
- Board certified in pediatric hospital medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Nicole Rebecca Loeffler-Siu accepts plans from 3 insurance carriers
Dr. Loeffler-Siu is in network with 3 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- HCSC
Plan types Dr. Loeffler-Siu accepts, by number of carriers
- Medicare2
- PPO2
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Nicole Rebecca Loeffler-Siu'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 |
| 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. Nicole Rebecca Loeffler-Siu
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. Nicole Rebecca Loeffler-Siu's NPI number?
Dr. Nicole Rebecca Loeffler-Siu's NPI number is 1568743722. It was assigned on September 1, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicole Rebecca Loeffler-Siu?
Dr. Nicole Rebecca Loeffler-Siu is a pediatrician in Oakland, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Nicole Rebecca Loeffler-Siu practice?
Dr. Loeffler-Siu practices at 380 West MacArthur Boulevard, Oakland, CA 94609. Dr. Loeffler-Siu's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.
What is Dr. Nicole Rebecca Loeffler-Siu's office phone number?
The practice phone on file for Dr. Loeffler-Siu is (510) 251-0121.
What is Dr. Nicole Rebecca Loeffler-Siu's medical license number?
Dr. Loeffler-Siu holds California license A116209.
Which hospitals is Dr. Nicole Rebecca Loeffler-Siu affiliated with?
Dr. Loeffler-Siu is affiliated with Vallejo Medical Center.
What medical group is Dr. Nicole Rebecca Loeffler-Siu part of?
Dr. Loeffler-Siu is linked to The Permanente Medical Group, Inc.
Is Dr. Nicole Rebecca Loeffler-Siu board certified?
Yes. Dr. Loeffler-Siu is board certified in pediatric hospital medicine by the American Board of Pediatrics.
Where did Dr. Nicole Rebecca Loeffler-Siu go to medical school?
Dr. Loeffler-Siu graduated from New York Medical College in 2009.
How long has Dr. Nicole Rebecca Loeffler-Siu been practicing?
Dr. Loeffler-Siu graduated from medical school in 2009, 17 years ago.
What insurance does Dr. Nicole Rebecca Loeffler-Siu accept?
Dr. Loeffler-Siu is in network with 3 carriers, including Kaiser Permanente, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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