DR. NAIHSIEN DAVID CHEN M.D.
NPI 1174699755
Internal Medicine in Modesto, CA

Active since November 27, 2006PECOS Enrolled
803 COFFEE RD STE 6, MODESTO, CA 95355(626) 888-6000(888) 318-6618 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jan 14, 2026, Jan 7, 2026, Jun 6, 2025 and 4 more (7 updates tracked since 2020).

About Dr. Naihsien David Chen M.d. NPPES

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

DR. NAIHSIEN DAVID CHEN M.D. (NPI 1174699755) is an individual internal medicine provider in Modesto, California, licensed in California (A73562) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174699755
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. NAIHSIEN DAVID CHENCredential: M.D.
Location Address803 COFFEE RD STE 6Modesto, CA 95355-4238
Mailing Address5599 Rollins StLas Vegas, NV 89118-6050 · (626) 888-6000 · Fax (888) 316-6618
Fax(888) 318-6618
Sole ProprietorNo
Enumeration DateNovember 27, 2006
Last NPPES UpdateJanuary 14, 20267 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2026
NPI 1174699755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · A73562
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.

Also ListedHospitalistTaxonomy 208M00000X · License A73562 (CA)
803 COFFEE RD STE 6, Modesto, CA 95355

Other Names 1

Other Name (5)Dr. David Chen Md

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Naihsien David Chen M.d. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95355 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
93%228 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 20

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

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
1 supplier32 claims32 services$56.97 avg. paid by Medicare
Commode chair, mobile or stationary, with fixed arms E0163
DME-Other DME · category DE000N
1 supplier21 claims21 services$63.48 avg. paid by Medicare
Commode chair, mobile or stationary, with detachable arms E0165
DME-Other DME · category DE000N
2 suppliers139 claims139 services$8.99 avg. paid by Medicare
Powered pressure reducing mattress overlay/pad, alternating, with pump, includes heavy duty E0181
DME-Other DME · category DE000N
1 supplier13 claims13 services$10.60 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
1 supplier86 claims86 services$55.24 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier13 claims13 services$17.82 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 7

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

Speech-Language Pathologist
803 COFFEE RD STE 6
MODESTO, CA 95355
Internal Medicine
803 COFFEE RD STE 6
MODESTO, CA 95355
Internal Medicine
803 COFFEE RD STE 6
MODESTO, CA 95355
Speech-Language Pathologist
803 COFFEE RD STE 6
MODESTO, CA 95355
Speech-Language Pathologist
803 COFFEE RD STE 6
MODESTO, CA 95355
Speech-Language Pathologist
803 COFFEE RD STE 6
MODESTO, CA 95355
Internal Medicine
803 COFFEE RD STE 6
MODESTO, CA 95355

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1174699755, enumerated as an "individual" on November 27, 2006.

The provider is located at 803 COFFEE RD STE 6 MODESTO, CA 95355 and the phone number is (626) 888-6000.

Internal Medicine with taxonomy code 207R00000X.