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DR. LUCIA FLORES YUMENA M.D.
NPI 1508927633
Internal Medicine - Nephrology in Fremont, CA

Active since December 13, 2006PECOS EnrolledAccepts Medicare Assignment
2557 MOWRY AVE STE 33, FREMONT, CA 94538(510) 745-8100(510) 797-4983 Get Directions Write a Review

NPPES record last updated: July 7, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Lucia Flores Yumena M.d. NPPES

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

DR. LUCIA FLORES YUMENA M.D. (NPI 1508927633) is an individual nephrology provider in Fremont, California, licensed in California (A39976) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1975).

NPPES Registry Identity

NPI1508927633
Entity TypeIndividualFemale
Primary Taxonomy207RN0300X
Provider Legal NameDR. LUCIA FLORES YUMENACredential: M.D.
Location Address2557 MOWRY AVE STE 33Fremont, CA 94538-1614
Mailing Address2557 Mowry Ave Ste 33Fremont, CA 94538-1614 · (510) 745-8100 · Fax (510) 797-4983
Phone(510) 745-8100
Fax(510) 797-4983
Sole ProprietorYes
Medical School CMSOtherGraduated 1975
Enumeration DateDecember 13, 2006
Last NPPES UpdateJuly 7, 2010
✔ NPI 1508927633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · A39976
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Also ListedInternal MedicineTaxonomy 207R00000X · License A39976 (CA)
2557 MOWRY AVE STE 33, Fremont, CA 94538
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Other Identifiers 3

Medicare ID-Type Unspecified00A399760
Medicare UPINA29010
Medicaid00A399760CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Lucia Flores Yumena M.d. 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 ID3870780141
PECOS Enrollment IDI20101213000624
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.

Areas of Expertise CMS Part B claims 9

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.
312 services116 patients
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.
186 services59 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
109 services13 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
46 services20 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
32 services21 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
29 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94538 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.

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
3 suppliers11 claims20 services$4.95 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

DR. WILLIAM FRANCIS NICHOLSON M.D.
Internal Medicine (Cardiovascular Disease)
2557 MOWRY AVE STE 33
FREMONT, CA 94538
Alameda County (510) 745-8100

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 Lucia Yumena's NPI number?

The NPI number for Lucia Yumena is 1508927633. It was assigned to this individual provider in the NPPES registry on December 13, 2006.

Where is Lucia Yumena located?

Lucia Yumena practices at 2557 Mowry Ave Ste 33, Fremont, CA 94538. The listed phone number is (510) 745-8100.

What is Lucia Yumena's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Lucia Yumena enrolled in Medicare?

Yes. Lucia Yumena 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.

When was this NPI record last updated?

The NPPES record for Lucia Yumena was last updated on July 7, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.