LEONIEROSE NAMALATA DACUYCUY M.D.
NPI 1588059661
Internal Medicine - Endocrinology, Diabetes & Metabolism in Fremont, CA

Q: What is Leonierose Dacuycuy's NPI number?

The NPI number for Leonierose Dacuycuy is 1588059661. It was assigned to this individual provider in the NPPES registry on April 5, 2015.

Q: What is Leonierose Dacuycuy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Active since April 05, 2015PECOS EnrolledAccepts Medicare Assignment

3200 KEARNEY ST, FREMONT, CA 94538(510) 498-2357 Get Directions Write a Review

NPPES record last updated: October 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Leonierose Namalata Dacuycuy M.d. NPPES

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

LEONIEROSE NAMALATA DACUYCUY M.D. (NPI 1588059661) is an individual endocrinology, diabetes & metabolism provider in Fremont, California, licensed in California (A144075) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Stockton, and is a graduate of Michigan State University College Of Human Medicine (2015).

NPPES Registry Identity

NPI1588059661

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameLEONIEROSE NAMALATA DACUYCUYCredential: M.D.

Location Address3200 KEARNEY STFremont, CA 94538-2299

Mailing AddressPo Box 276950Sacramento, CA 95827-6950

Phone(510) 498-2357

Sole ProprietorNo

Medical School CMSMichigan State University College Of Human MedicineGraduated 2015

Enumeration DateApril 5, 2015

Last NPPES UpdateOctober 24, 2025

NPPES CertifiedOctober 24, 2025

✔ NPI 1588059661 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in CA · A144075

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

3200 KEARNEY ST, Fremont, CA 94538

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Secondary Practice Location 1

Location 17912 West Ln Ste 221Stockton, CA 95210-3159 · Phone (209) 636-5000

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

Leonierose Namalata Dacuycuy 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 ID9234418724

PECOS Enrollment IDI20180403000407

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 Leonierose Dacuycuy reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sutter Bay Medical Foundation

13 mi

Multi-Specialty

795 EL CAMINO REAL
Palo Alto, CA 94301

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1013950807 (650) 321-4121

Permanente Medical Group Inc

14 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

Community Medical Centers Inc

32 mi

Federally Qualified Health Center (FQHC)

2151 W GRANT LINE RD
Tracy, CA 95377

Reassigned Medicare billing, California enrollment
154 clinicians in this Medicare group

NPI 1164919049 (209) 820-1500

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 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 2

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

7 suppliers13 claims42 services$5.95 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

2 suppliers28 claims28 services$184.00 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 20

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

DR. LAKSHMI SRINIVASAN MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)