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LYDIA SOMI PARK
NPI 1235620287
Internal Medicine in San Diego, CA

Active since May 25, 2018PECOS Enrolled
7750 DAGGET ST STE 211, SAN DIEGO, CA 92111(619) 432-7996(206) 593-5185 Get Directions Write a Review

NPPES record last updated: May 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 23, 2025, Jun 16, 2021, May 25, 2018 (3 updates tracked since 2018).

About Lydia Somi Park NPPES

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

LYDIA SOMI PARK (NPI 1235620287) is an individual internal medicine provider in San Diego, California, licensed in California (A166501) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235620287
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLYDIA SOMI PARK
Location Address7750 DAGGET ST STE 211San Diego, CA 92111-2236
Mailing Address7750 Dagget St Ste 211San Diego, CA 92111-2236 · (619) 432-7996 · Fax (206) 593-5185
Phone(619) 432-7996
Fax(206) 593-5185
Sole ProprietorNo
Enumeration DateMay 25, 2018
Last NPPES UpdateMay 23, 20253 updates tracked since enumeration
NPPES CertifiedMay 23, 2025
✔ NPI 1235620287 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A166501
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
7750 DAGGET ST STE 211, San Diego, CA 92111
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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 (PECOS)

Lydia Somi Park is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Lydia Park reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Primomd, Inc
453 mi
Internal Medicine
548 MARKET ST STE 50030
San Francisco, CA 94104
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group
NPI 1366196396 (415) 985-7102

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

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
232 services152 patients
Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99304
An initial nursing facility visit is a daily check-up to monitor your health status. This service, lasting typically 25 minutes, involves a nurse assessing your overall wellbeing, discussing concerns, and updating your care plan as needed.
101 services101 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
47 services47 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
46 services44 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
37 services31 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
21 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92111 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier12 claims12 services$2.32 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Lydia Park's NPI number?

The NPI number for Lydia Park is 1235620287. It was assigned to this individual provider in the NPPES registry on May 25, 2018.

Where is Lydia Park located?

Lydia Park practices at 7750 Dagget St Ste 211, San Diego, CA 92111. The listed phone number is (619) 432-7996.

What is Lydia Park's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lydia Park enrolled in Medicare?

Yes. Lydia Park is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lydia Park's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lydia Park reassigns Medicare benefits to Primomd, Inc (San Francisco, CA). The 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 Lydia Park'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 Lydia Park was last updated on May 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.