Michael Anthony Sim, NP
- Hospital affiliations
- 1
- Industry payments
- $538
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 3366 5th Ave, San Diego, CA 92103
- Practice phone
- Call (760) 436-4558
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Genesis Healthcare Partners
San Diego, California
Find Michael Sim'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.
Michael Anthony Sim is a family nurse practitioner in San Diego, California
Michael Sim practices at Genesis Healthcare Partners in San Diego, California.
Michael Sim's NPI, 1619743887, was assigned on November 29, 2023. Michael Sim holds California license 95027920.
- NPI
- 1619743887NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224573407
- NPI enumeration date
- November 29, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (760) 436-4558
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael Anthony Sim practices at Genesis Healthcare Partners in San Diego, California
Michael Sim's primary practice is Genesis Healthcare Partners, at 3366 5th Ave, San Diego, CA 92103 in San Diego County. The practice phone is (760) 436-4558.
- Genesis Healthcare Partners3366 5th Ave, San Diego, CA 92103 · San Diego CountyPhone(760) 436-4558
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Michael Anthony Sim is affiliated with 3 sites of care and 1 medical group
Michael Sim's primary practice is Genesis Healthcare Partners in San Diego, California. Michael Sim is also affiliated with Huntington Hospital. The medical group on file is Unio Specialty Care, Urology, Encinitas (formerly Genesis Healthcare Partners). Dmand AI also links Michael Sim to 1 more group practice or clinic, 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 Michael Anthony Sim's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Sim practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Genesis Healthcare Partners | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael Anthony Sim is one of 13,532 family nurse practitioners in California
Family is Michael Sim's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Michael Sim is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Michael Sim
Counts of family 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
Michael Anthony Sim's patients have a median age of 57
Across all payers, Dmand AI patient panel data puts Michael Sim's median patient age at 57, with 57% women.
Michael Sim's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women57%
- Men42%
Source: Dmand AI Patient Panel Data
Michael Anthony Sim offers telehealth to Medicare patients
Michael Sim accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Michael Sim as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Michael Anthony Sim received $538 in industry payments in 2025
CMS Open Payments shows 17 general payments to Michael Sim from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $225.
Companies that paid Michael Sim 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 Michael Anthony Sim'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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 Michael Anthony Sim
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael Anthony Sim's NPI number?
Michael Anthony Sim's NPI number is 1619743887. It was assigned on November 29, 2023, and it is active in the NPI Registry.
What does Michael Anthony Sim specialize in?
Michael Anthony Sim is a family nurse practitioner in San Diego, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Michael Anthony Sim practice?
Michael Sim practices at 3366 5th Ave, San Diego, CA 92103. Michael Sim's primary practice is Genesis Healthcare Partners in San Diego, California. Dmand AI also links Michael Sim to 1 group practice or clinic.
What is Michael Anthony Sim's office phone number?
The practice phone on file for Michael Sim is (760) 436-4558.
What is Michael Anthony Sim's medical license number?
Michael Sim holds California license 95027920.
Which hospitals is Michael Anthony Sim affiliated with?
Michael Sim is affiliated with Huntington Hospital.
What medical group is Michael Anthony Sim part of?
Michael Sim is linked to Unio Specialty Care, Urology, Encinitas (formerly Genesis Healthcare Partners).
Does Michael Anthony Sim accept Medicare?
Yes. CMS lists Michael Sim as accepting Medicare assignment.
Does Michael Anthony Sim offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Michael Sim as offering telehealth services.
Has Michael Anthony Sim received payments from drug or device companies?
CMS Open Payments shows $538 in general payments to Michael Sim from 6 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Michael Anthony Sim been practicing?
Michael Sim graduated from medical school in 2023, 3 years ago.
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