Elmer Bigayan Dorosan, NP
- Medicare patients, 2024
- 44
- Hospital affiliations
- 3
- Industry payments
- $125
- Medical groups
- 4
- State license
- 1
- Practice address
- 1500 San Pablo Street, Los Angeles, CA 90033
- Practice phone
- Call (323) 442-8656
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Elmer Dorosan'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.
Elmer Bigayan Dorosan is a nurse practitioner in Los Angeles, California
Elmer Dorosan practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.
Elmer Dorosan's NPI, 1649638842, was assigned on February 2, 2016. Elmer Dorosan holds California license NP95003750.
- NPI
- 1649638842NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991041998
- NPI enumeration date
- February 2, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (323) 442-8656
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Elmer Bigayan Dorosan practices at Keck Hospital of USC in Los Angeles, California
Elmer Dorosan's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.
- Keck Hospital of USC1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656
Source: Dmand AI Affiliation Data
Elmer Bigayan Dorosan is affiliated with 7 sites of care and 4 medical groups
Elmer Dorosan's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Elmer Dorosan is also affiliated with CHA Hollywood Presbyterian Medical Center. The medical group on file is USC Care Medical Group. Dmand AI also links Elmer Dorosan to 1 more hospital, 3 medical groups, 2 group practices and clinics, 1 skilled nursing facility and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Elmer Bigayan Dorosan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Elmer Dorosan practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Keck Hospital of USC | Available with a free account |
| +6 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of Southern California and 6.2K+ hospitals, with verified contacts in the same login.
Elmer Bigayan Dorosan is one of 5,983 nurse practitioners in California
Nurse practitioner is Elmer Dorosan's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Elmer Dorosan is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Elmer Dorosan
Counts of nurse practitioners 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
Elmer Bigayan Dorosan treated 44 Medicare patients in 2024, average age 73
CMS counts 44 Medicare patients who saw Elmer Dorosan in 2024. The largest group is 65 to 74, with 23 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 52% are also on Medicaid. Their average risk score is 3.49, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Elmer Dorosan's median patient age at 61, with 46% women.
Elmer Dorosan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Elmer Dorosan's Medicare patients by sex, 2024
- Women2557%
- Men1943%
Chronic conditions among Elmer Dorosan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA73%
- Arthritis59%
- Diabetes50%
- Chronic kidney disease43%
- Ischemic heart disease43%
- Mood disorders39%
Share of Medicare patients with each condition. A patient can have several.
Elmer Dorosan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Elmer Bigayan Dorosan takes part in Medicare
Elmer Dorosan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Elmer Bigayan Dorosan received $125 in industry payments in 2025
CMS Open Payments shows 1 general payment to Elmer Dorosan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $125.
Companies that paid Elmer Dorosan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Elmer Bigayan Dorosan'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Elmer Bigayan Dorosan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Elmer Bigayan Dorosan's NPI number?
Elmer Bigayan Dorosan's NPI number is 1649638842. It was assigned on February 2, 2016, and it is active in the NPI Registry.
What does Elmer Bigayan Dorosan specialize in?
Elmer Bigayan Dorosan is a nurse practitioner in Los Angeles, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Elmer Bigayan Dorosan practice?
Elmer Dorosan practices at 1500 San Pablo Street, Los Angeles, CA 90033. Elmer Dorosan's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Elmer Dorosan to 1 hospital, 3 medical groups, 2 group practices and clinics, 1 skilled nursing facility and 1 urgent care center.
What is Elmer Bigayan Dorosan's office phone number?
The practice phone on file for Elmer Dorosan is (323) 442-8656.
What is Elmer Bigayan Dorosan's medical license number?
Elmer Dorosan holds California license NP95003750.
Which hospitals is Elmer Bigayan Dorosan affiliated with?
Elmer Dorosan practices at Keck Hospital of USC in Los Angeles, California. Elmer Dorosan is also affiliated with CHA Hollywood Presbyterian Medical Center. Dmand AI links Elmer Dorosan to 1 more hospital.
What medical group is Elmer Bigayan Dorosan part of?
Elmer Dorosan is linked to USC Care Medical Group. Dmand AI links Elmer Dorosan to 3 more medical groups.
Does Elmer Bigayan Dorosan accept Medicare?
Yes. CMS lists Elmer Dorosan as accepting Medicare assignment.
How many Medicare patients does Elmer Bigayan Dorosan see?
CMS counts 44 Medicare patients who saw Elmer Dorosan in 2024, with an average age of 73.
Has Elmer Bigayan Dorosan received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Elmer Dorosan from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Elmer Bigayan Dorosan been practicing?
Elmer Dorosan graduated from medical school in 2015, 11 years ago.
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