SUNG YIM
NPI 1114503893
Psychiatry & Neurology - Neurology in Monterey, CA

Active since March 22, 2021PECOS EnrolledAccepts Medicare Assignment
23845 HOLMAN HWY STE 210, MONTEREY, CA 93940(831) 620-0700(831) 886-1538 Get Directions Write a Review

NPPES record last updated: June 27, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 27, 2025, Jun 4, 2025, Mar 22, 2021 (3 updates tracked since 2021).

About Sung Yim NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SUNG YIM (NPI 1114503893) is an individual neurology provider in Monterey, California, licensed in California (A195072) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (2021).

NPPES Registry Identity

NPI1114503893
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameSUNG YIM
Location Address23845 HOLMAN HWY STE 210Monterey, CA 93940-5907
Mailing Address100 Wilson Rd Ste 100Monterey, CA 93940-7885 · (831) 242-8394
Fax(831) 886-1538
Sole ProprietorYes
Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 2021
Enumeration DateMarch 22, 2021
Last NPPES UpdateJune 27, 20253 updates tracked since enumeration
NPPES CertifiedJune 27, 2025
✔ NPI 1114503893 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in CA · A195072
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
23845 HOLMAN HWY STE 210, Monterey, CA 93940

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sung Yim is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173996246
PECOS Enrollment IDI20250612002265
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Sung Yim reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
23625 HOLMAN HWY
Monterey, CA 93940
  • Reassigned Medicare billing, California enrollment
  • 245 clinicians in this Medicare group
Internal Medicine
275 THE CROSSROADS BLVD STE A
Carmel, CA 93923
  • Reassigned Medicare billing, California enrollment
  • 155 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93940 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$139.84 typical visit price
range $61.69 – $184.30
Typical copayment $34.96 (range $15.42 – $46.07)
Most-billed visit code 99204
Established Patient
$108.04 typical visit price
range $20.34 – $151.02
Typical copayment $27.01 (range $5.08 – $37.75)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychiatry & Neurology (Neurology)
23845 HOLMAN HWY STE 210
MONTEREY, CA 93940
Psychiatry & Neurology (Neurology)
23845 HOLMAN HWY STE 210
MONTEREY, CA 93940
Psychiatry & Neurology (Epilepsy)
23845 HOLMAN HWY STE 210
MONTEREY, CA 93940
Psychiatry & Neurology (Neurology)
23845 HOLMAN HWY STE 210
MONTEREY, CA 93940
Psychiatry & Neurology (Neurology)
23845 HOLMAN HWY STE 210
MONTEREY, CA 93940

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sung Yim's NPI number?

The NPI number for Sung Yim is 1114503893. It was assigned to this individual provider in the NPPES registry on March 22, 2021.

Where is Sung Yim located?

Sung Yim practices at 23845 Holman Hwy Ste 210, Monterey, CA 93940. The listed phone number is (831) 620-0700.

What is Sung Yim's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Sung Yim enrolled in Medicare?

Yes. Sung Yim is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Sung Yim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sung Yim reassigns Medicare benefits to 2 organizations: Community Hospital Of The Monterey Peninsula (Monterey, CA) and Montage Medical Group (Carmel, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sung Yim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Sung Yim was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.