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DR. CHANG UK SIM DPM
NPI 1821134842
Podiatrist in New York, NY

Active since January 29, 2007PECOS EnrolledAccepts Medicare Assignment
656 W 183RD ST, NEW YORK, NY 10033(212) 795-2261(212) 795-2671 Get Directions Write a Review

NPPES record last updated: April 23, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Chang Uk Sim Dpm NPPES

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

DR. CHANG UK SIM DPM (NPI 1821134842) is an individual podiatrist in New York, New York, licensed in New York (N006200) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of California School Of Podiatric Medicine (2004).

NPPES Registry Identity

NPI1821134842
Entity TypeIndividualMale
Primary Taxonomy213E00000X
Provider Legal NameDR. CHANG UK SIMCredential: DPM
Location Address656 W 183RD STNew York, NY 10033-3806
Mailing Address2716 Crescent StAstoria, NY 11102-3143 · (347) 563-2975
Phone(212) 795-2261
Fax(212) 795-2671
Sole ProprietorYes
Medical School CMSCalifornia School Of Podiatric MedicineGraduated 2004
Enumeration DateJanuary 29, 2007
Last NPPES UpdateApril 23, 2014
✔ NPI 1821134842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPodiatristPodiatric Medicine & Surgery Service Providers
Taxonomy Code213E00000X
License✔ Licensed in NY · N006200
Definition
A podiatrist is a person qualified by a Doctor of Podiatric Medicine (D.P.M.) degree, licensed by the state, and practicing within the scope of that license. Podiatrists diagnose and treat foot diseases and deformities. They perform medical, surgical and other operative procedures, prescribe corrective devices and prescribe and administer drugs and physical therapy.
656 W 183RD ST, New York, NY 10033
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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

Dr. Chang Uk Sim Dpm 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 ID9234200544
PECOS Enrollment IDI20080613000353
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 Chang Sim reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Uptown Healthcare Management Inc
1.2 mi
Podiatrist
1778 JEROME AVE
Bronx, NY 10453
  • Reassigned Medicare billing, New York enrollment
  • Also billed through NPI 1669644837 (New York)
  • 26 clinicians in this Medicare group
NPI 1386673937 (718) 583-3300
Chang Uk Sim, DPM P.C.
5.9 mi
Podiatrist
3044 29TH ST, SUITE 1J
Astoria, NY 11102
  • Reassigned Medicare billing, New York enrollment
NPI 1316275829 (718) 278-4400

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 10033 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
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
Most-billed visit code 99213
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 2

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

NEW YORK & NEW JERSEY FOOT & ANKLE CARE ASSOCIATES P.C.
Podiatrist (Foot & Ankle Surgery)
656 W 183RD ST
NEW YORK, NY 10033
New York County (212) 795-2261
DR. GREGORY RIVERA DPM
Podiatrist (Foot & Ankle Surgery)
656 W 183RD ST
NEW YORK, NY 10033
New York County (212) 795-2261

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 Chang Sim's NPI number?

The NPI number for Chang Sim is 1821134842. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Where is Chang Sim located?

Chang Sim practices at 656 W 183rd St, New York, NY 10033. The listed phone number is (212) 795-2261.

What is Chang Sim's specialty?

The primary specialty registered for this NPI is Podiatrist with taxonomy code 213E00000X.

Is Chang Sim enrolled in Medicare?

Yes. Chang Sim 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 Chang Sim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chang Sim reassigns Medicare benefits to 2 organizations: Uptown Healthcare Management Inc (Bronx, NY) and Chang Uk Sim, DPM P.C. (Astoria, NY). 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 Chang Sim'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 Chang Sim was last updated on April 23, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.