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DR. NICETO LOPEZ MD
NPI 1003012931
Hospitalist in Walnut Creek, CA

Active since June 26, 2007PECOS Enrolled
801 YGNACIO VALLEY RD, SUITE 250, WALNUT CREEK, CA 94596(925) 946-1080 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Niceto Lopez Md NPPES

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

DR. NICETO LOPEZ MD (NPI 1003012931) is an individual hospitalist provider in Walnut Creek, California, licensed in California (A96421) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003012931
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. NICETO LOPEZCredential: MD
Location Address801 YGNACIO VALLEY RD, SUITE 250Walnut Creek, CA 94596-3871
Mailing Address3608 Lakeshore Ave Apt 3Oakland, CA 94610-1763 · (510) 444-4589
Phone(925) 946-1080
Sole ProprietorYes
Enumeration DateJune 26, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1003012931 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CA · A96421
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
801 YGNACIO VALLEY RD, Walnut Creek, CA 94596
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Other Identifiers 1

OtherA96421CA · Mecial License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Niceto Lopez Md 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 Reassignments

6

Medicare enrollment records show Niceto Lopez reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

John Muir Trauma Physicians Billing Service
1.0 mi
Hospitalist
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 810 clinicians in this Medicare group
NPI 1093864837 (925) 947-5331
John Muir Physician Network
1.4 mi
General Practice
1450 TREAT BLVD, SUITE 300
Walnut Creek, CA 94597
  • Reassigned Medicare billing, California enrollment
  • 650 clinicians in this Medicare group
NPI 1841407665 (925) 296-9872
Niceto Lopez, M.D., A.P.C.
334 mi
Internal Medicine
2121 SANTA MONICA BLVD
Santa Monica, CA 90404
  • Reassigned Medicare billing, California enrollment
NPI 1710518881 (310) 363-1964
Providence Saint Johns Medical Foundation
334 mi
Specialist
2121 SANTA MONICA BLVD
Santa Monica, CA 90404
  • Reassigned Medicare billing, California enrollment
  • 461 clinicians in this Medicare group
NPI 1770093734 (310) 582-7312
Palliative Care Doctors Group, Inc
334 mi
Hospice and Palliative Medicine
1700 WESTWOOD BLVD, SUITE # 2D
Los Angeles, CA 90024
  • Reassigned Medicare billing, California enrollment
  • 27 clinicians in this Medicare group
NPI 1578826053 (800) 941-4161
Kansal Inc
335 mi
Internal Medicine
8733 BEVERLY BLVD STE 306
West Hollywood, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 175 clinicians in this Medicare group
NPI 1043510183 (310) 388-6798

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 6

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 nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
2,885 services156 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
2,610 services142 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
120 services84 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
99 services71 patients
Nursing facility discharge day management, 30 minutes or less 99315
Nursing facility discharge day management involves organizing your transition from the nursing facility to your home or another facility. This service, taking 30 minutes or less, includes finalizing medical instructions, arranging follow-up care, and answering any questions.
68 services51 patients
Nursing facility discharge management, more than 30 minutes 99316
Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.
40 services39 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94596 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 9

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

Alginate or other fiber gelling dressing, wound cover, sterile, pad size 16 sq. in. or less, each dressing A6196
DME-Medical/Surgical Supplies · category DA023N
3 suppliers13 claims420 services$7.12 avg. paid by Medicare
Alginate or other fiber gelling dressing, wound filler, sterile, per 6 inches A6199
DME-Medical/Surgical Supplies · category DA023N
3 suppliers15 claims868 services$5.11 avg. paid by Medicare
Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035
Other-Enteral and Parenteral · category OB006N
1 supplier12 claims354 services$4.47 avg. paid by Medicare
Enteral formula, nutritionally complete, for special metabolic needs, excludes inherited disease of metabolism, includes altered composition of proteins, fats, carbohydrates, vitamins and/or minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4154
Other-Enteral and Parenteral · category OB006N
2 suppliers13 claims6,500 services$0.58 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
2 suppliers11 claims11 services$14.98 avg. paid by Medicare
Patient lift, electric with seat or sling E0635
DME-Other DME · category DE000N
1 supplier12 claims12 services$70.07 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.

DR. KURUKULASOORIYA FERNANDO MD
Hospitalist
801 YGNACIO VALLEY RD, SUITE 250
WALNUT CREEK, CA 94596
Contra Costa County (925) 946-1080
DR. DOUGLAS BOAKYE DO
Hospitalist
801 YGNACIO VALLEY RD, SUITE 250
WALNUT CREEK, CA 94596
Contra Costa County (925) 946-1080
OPTIMAL PERFORMANCE PHYSICAL THERAPY
Physical Therapist
801 YGNACIO VALLEY RD, STE. 200
WALNUT CREEK, CA 94596
Contra Costa County (925) 945-6778
MS. MAHSA MODARRES SABZEVARI MSPT
Physical Therapist (Orthopedic)
801 YGNACIO VALLEY RD, SUITE 200
WALNUT CREEK, CA 94596
Contra Costa County (925) 945-6778
DR. PETER HAMLIN ROWE M.D.
Hospitalist
801 YGNACIO VALLEY RD, SUITE 250
WALNUT CREEK, CA 94596
Contra Costa County (925) 946-1080
DR. CHARLENE B. SPENCER M.D.
Hospitalist
801 YGNACIO VALLEY RD, SUITE 250
WALNUT CREEK, CA 94596
Contra Costa County (925) 946-1080
GAYLE L ANDERSON RPT
Physical Therapist
801 YGNACIO VALLEY RD, STE. 200
WALNUT CREEK, CA 94596
Contra Costa County (925) 945-6778

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 Niceto Lopez's NPI number?

The NPI number for Niceto Lopez is 1003012931. It was assigned to this individual provider in the NPPES registry on June 26, 2007.

Where is Niceto Lopez located?

Niceto Lopez practices at 801 Ygnacio Valley Rd Suite 250, Walnut Creek, CA 94596. The listed phone number is (925) 946-1080.

What is Niceto Lopez's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Niceto Lopez enrolled in Medicare?

Yes. Niceto Lopez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Niceto Lopez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Niceto Lopez reassigns Medicare benefits to 6 organizations: John Muir Trauma Physicians Billing Service (Walnut Creek, CA), John Muir Physician Network (Walnut Creek, CA), Niceto Lopez, M.D., A.P.C. (Santa Monica, CA), Providence Saint Johns Medical Foundation (Santa Monica, CA), Palliative Care Doctors Group, Inc (Los Angeles, CA) and 1 more organization, listed in the Medicare section above. 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 Niceto Lopez'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 Niceto Lopez was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.