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Internal Medicine

Nikki H. Park, MD

Sees patients in San Marcos, CA · San Diego, CA · California

Summary

Nikki H. Park, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in San Marcos, CA and San Diego, CA. NPI 1659633931. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nikki H. Park, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
14Years since medical school (graduated 2012)
FemaleGender (as listed)
Southern California Permanente Medical GroupGroup practice

Quick answers

Where does Nikki H. Park see patients?
Medicare's clinician data lists 2 practice locations, including San Marcos, CA and San Diego, CA. Call before your visit to confirm the address.
What is Nikki H. Park's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Nikki H. Park accept Medicare assignment?
Yes. Medicare's clinician data says Nikki H. Park accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Nikki H. Park?
(619) 528-5000, as listed in official Medicare / NPI Registry data.
What is Nikki H. Park's NPI number?
1659633931. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Nikki H. Park is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nikki H. Park as a member of this group (CMS data updated 2026-10-02).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in San Marcos

Clinicians with the same Medicare primary specialty in San Marcos, CA — not a recommendation.

All internal medicine doctors in San Marcos →

Clinician information

CredentialMD
Graduation year2012
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1659633931
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians