Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LAUREN YOKOMIZO MD
NPI 1073969184
Internal Medicine in Union City, CA

Q: What is Lauren Yokomizo's NPI number?

The NPI number for Lauren Yokomizo is 1073969184. It was assigned to this individual provider in the NPPES registry on May 6, 2016.

Q: What is Lauren Yokomizo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Lauren Yokomizo was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.

Active since May 06, 2016PECOS EnrolledAccepts Medicare Assignment

80.58/100

CMS Quality Rating

3553 WHIPPLE ROAD, BUILDING B, STATION 6, UNION CITY, CA 94587(212) 263-5506 Get Directions Write a Review

NPPES record last updated: September 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 24, 2026, May 12, 2023, Apr 12, 2023 and 2 more (5 updates tracked since 2016).

On this page

About Dr. Lauren Yokomizo Md NPPES

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

DR. LAUREN YOKOMIZO MD (NPI 1073969184) is an individual internal medicine provider in Union City, California, licensed in California (A161547) and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1073969184

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. LAUREN YOKOMIZOCredential: MD

Location Address3553 WHIPPLE ROAD, BUILDING B, STATION 6Union City, CA 94587

Mailing Address751 S Bascom AveSan Jose, CA 95128-2604

Phone(212) 263-5506

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateMay 6, 2016

Last NPPES UpdateSeptember 24, 20265 updates tracked since enumeration

NPPES CertifiedSeptember 24, 2026

✔ NPI 1073969184 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 · A161547

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.

3553 WHIPPLE ROAD, Union City, CA 94587

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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. Lauren Yokomizo Md 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 ID4284927468

PECOS Enrollment IDI20210326000415

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

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

Permanente Medical Group Inc

11 mi

Internal Medicine

1190 VETERANS BLVD
Redwood City, CA 94063

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1639252604 (650) 299-2000

County Of Santa Clara

12 mi

Clinic/Center

2741 MIDDLEFIELD RD
Palo Alto, CA 94306

Reassigned Medicare billing, California enrollment
Also billed through NPI 1043354020 (California), NPI 1629301346 (California)
2,460 clinicians in this Medicare group

NPI 1285228080 (408) 885-5000

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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

262 services137 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

90 services89 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

84 services58 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

45 services44 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

28 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94587 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

$153.83 typical visit price

range $69.00 – $202.35

Typical copayment $38.45 (range $17.25 – $50.58)

Most-billed visit code 99204

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.58/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

67.43

Promoting Interoperability

100

Improvement Activities

Cost

46.5

Other Providers at the Same Location NPPES 11

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

JOSEPH A BACHICHA M.D.

Obstetrics & Gynecology

3553 WHIPPLE ROAD
UNION CITY, CA 94587

Alameda County (510) 454-1000

DR. SALLY LIN MD

Ophthalmology

3553 WHIPPLE ROAD, BLDG B, 1ST FLOOR
UNION CITY, CA 94587

Alameda County (510) 675-2020

ERIC S. BRONDFIELD MD

Internal Medicine

3553 WHIPPLE ROAD
UNION CITY, CA 94587

Alameda County (510) 784-4000

JAMES KEVIN MASSENGILL M.D.

Obstetrics & Gynecology

3553 WHIPPLE ROAD
UNION CITY, CA 94587

Alameda County (510) 454-1000

MR. DUANE CHUCK TRUMBLE M.F.T.

Marriage & Family Therapist

3553 WHIPPLE ROAD
UNION CITY, CA 94587

Alameda County (510) 454-1000

MICHAEL P. HARDY M.D.

Dermatology

3553 WHIPPLE ROAD
UNION CITY, CA 94587

Alameda County (510) 454-1000

MICHELLE MINHCHAU DOAN PSYD

Psychologist (Clinical)

3553 WHIPPLE ROAD
SAN LEANDRO, CA 94587

Alameda County (510) 454-1000

MARK MATTHEW JACOBS M.D.

Obstetrics & Gynecology

3553 WHIPPLE ROAD
SAN LEANDRO, CA 94587

Alameda County (510) 454-1000

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 Lauren Yokomizo's NPI number?

The NPI number for Lauren Yokomizo is 1073969184. It was assigned to this individual provider in the NPPES registry on May 6, 2016.

Where is Lauren Yokomizo located?

Lauren Yokomizo practices at 3553 Whipple Road Building B, Station 6, Union City, CA 94587. The listed phone number is (212) 263-5506.

What is Lauren Yokomizo's specialty?

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

Is Lauren Yokomizo enrolled in Medicare?

Yes. Lauren Yokomizo 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 Lauren Yokomizo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Yokomizo reassigns Medicare benefits to 2 organizations: Permanente Medical Group Inc (Redwood City, CA) and County Of Santa Clara (Palo Alto, 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 Lauren Yokomizo'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 Lauren Yokomizo was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.