Dr. Julie Rose Sierra, MD
- Medicare services, 2021
- 185
- Part D claims, 2023
- 41
- Industry payments
- $287
- Medical groups
- 2
- Insurance carriers
- 5
- Practice address
- 2040 Camfield Ave, Commerce, CA 90040
- Practice phone
- Call (562) 949-6069
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Altamed Medical Group - Pico Rivera, Slauson
Commerce, California
Find Dr. Sierra's professional email, personal email and mobile number
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Dr. Julie Rose Sierra is an internist in Commerce, California
Dr. Sierra practices at Altamed Medical Group - Pico Rivera, Slauson in Commerce, California.
Dr. Sierra's NPI, 1881672798, was assigned on January 3, 2006. Dr. Sierra graduated from Feinberg School of Medicine in 2002. Dr. Sierra holds California license A117850.
- NPI
- 1881672798NPI Registry (opens in a new tab)
- NPI enumeration date
- January 3, 2006
- NPI status
- Active
- Practice phone
- (562) 949-6069
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Julie Rose Sierra practices at Altamed Medical Group - Pico Rivera, Slauson in Commerce, California
Dr. Sierra's primary practice is Altamed Medical Group - Pico Rivera, Slauson, at 2040 Camfield Ave, Commerce, CA 90040 in Los Angeles County. The practice phone is (562) 949-6069.
- Altamed Medical Group - Pico Rivera, Slauson2040 Camfield Ave, Commerce, CA 90040 · Los Angeles CountyPhone(562) 949-6069
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Julie Rose Sierra is affiliated with 1 site of care and 2 medical groups
Dr. Sierra's primary practice is Altamed Medical Group - Pico Rivera, Slauson in Commerce, California. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Sierra to 1 more medical group, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Julie Rose Sierra's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sierra practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Altamed Medical Group - Pico Rivera, Slauson | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Julie Rose Sierra is one of 16,751 internists in California
Internal medicine is Dr. Sierra's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sierra is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Sierra's licenses on file in 6 states: California, Florida, North Carolina, Hawaii, New Mexico and Illinois.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Florida license
- North Carolina license
- Hawaii license
- New Mexico license
- Illinois license
Internists near Dr. Sierra
Counts of internists 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. Julie Rose Sierra billed Medicare for 185 services in 2021
CMS data shows 185 Medicare services from Dr. Sierra across 4 procedure codes in 2021. Medicare paid $17,779 for them. Every service was in an office.
Dr. Sierra's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 5222021: 17167%
- Other services
- 2020: 1112021: 1487%
- Tests and treatments
- 2020: 712021: 0100%
Dr. Sierra compared with the California median for internists, 2021
- Dr. Sierra
- California median
- Medicare services
- 185vs 36149% below
- Part D claims
- 41vs 42190% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Sierra's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Sierra?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sierra and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Julie Rose Sierra's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Sierra's median patient age at 49, with 67% women.
Dr. Sierra's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Julie Rose Sierra wrote 41 Medicare Part D claims in 2023
In 2023, Dr. Sierra wrote 41 Medicare Part D claims. They cover 1 drug, with $45,054 in total drug cost. In 2022, CMS named 36 claims across 3 drugs.
Dr. Sierra's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 362023: 4114%
Drugs named by CMS: 1 in 2023, 3 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Julie Rose Sierra received $287 in industry payments from 2016 to 2017
CMS Open Payments shows 2 general payments to Dr. Sierra from 1 drug or device company from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $287.
General payments to Dr. Sierra by program year, 2016 to 2017
Companies that paid Dr. Sierra the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Julie Rose Sierra graduated from Feinberg School of Medicine
Dr. Sierra graduated from Feinberg School of Medicine in 2002.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Julie Rose Sierra accepts plans from 5 insurance carriers
Dr. Sierra is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
Plan types Dr. Sierra accepts, by number of carriers
- Medicare5
- PPO5
- HMO2
- EPO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Julie Rose Sierra'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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) |
| 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. Julie Rose Sierra
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. Julie Rose Sierra's NPI number?
Dr. Julie Rose Sierra's NPI number is 1881672798. It was assigned on January 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Julie Rose Sierra?
Dr. Julie Rose Sierra is an internist in Commerce, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Julie Rose Sierra practice?
Dr. Sierra practices at 2040 Camfield Ave, Commerce, CA 90040. Dr. Sierra's primary practice is Altamed Medical Group - Pico Rivera, Slauson in Commerce, California. Dmand AI also links Dr. Sierra to 1 medical group.
What is Dr. Julie Rose Sierra's office phone number?
The practice phone on file for Dr. Sierra is (562) 949-6069.
What is Dr. Julie Rose Sierra's medical license number?
Dr. Sierra holds California license A117850, one of the licenses on file in 6 states.
Which states has Dr. Julie Rose Sierra been licensed in?
Dmand AI has state licenses on file for Dr. Sierra in California (2011 to 2026), Florida (2021 to 2027), North Carolina (2022 to 2025), Hawaii (2009 to 2012), New Mexico (2006 to 2010) and Illinois (2002 to 2008).
What medical group is Dr. Julie Rose Sierra part of?
Dr. Sierra is linked to UC San Diego Health. Dmand AI links Dr. Sierra to 1 more medical group.
Does Dr. Julie Rose Sierra accept Medicare?
Yes. CMS data shows Dr. Sierra billed Medicare for 185 services in 2021.
Is Dr. Julie Rose Sierra board certified?
Yes. Dr. Sierra is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Julie Rose Sierra bill to Medicare?
In 2021, Dr. Sierra's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and medicare service (G0439).
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Where did Dr. Julie Rose Sierra go to medical school?
Dr. Sierra graduated from Feinberg School of Medicine in 2002.
What drugs does Dr. Julie Rose Sierra prescribe most?
In 2023 Medicare Part D data, Dr. Sierra's most prescribed drugs by claims were Mounjaro.
Has Dr. Julie Rose Sierra received payments from drug or device companies?
CMS Open Payments shows $287 in general payments to Dr. Sierra from 1 company from 2016 to 2017. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Julie Rose Sierra been practicing?
Dr. Sierra graduated from medical school in 2002, 24 years ago.
What insurance does Dr. Julie Rose Sierra accept?
Dr. Sierra is in network with 5 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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