1. Home
  2. Directory
  3. California
  4. Fairfield
  5. Internal Medicine
  6. NPI Profile

DR. JONATHAN D LOPEZ MD
NPI 1881682714
Internal Medicine - Hematology & Oncology in Fairfield, CA

Active since October 13, 2005PECOS EnrolledAccepts Medicare Assignment
1860 PENNSYLVANIA AVE, SUITE 230, FAIRFIELD, CA 94533(707) 646-4000(707) 646-4004 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Jonathan D Lopez Md NPPES

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

DR. JONATHAN D LOPEZ MD (NPI 1881682714) is an individual hematology & oncology provider in Fairfield, California, licensed in California (A102015) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (1998).

NPPES Registry Identity

NPI1881682714
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. JONATHAN D LOPEZCredential: MD
Location Address1860 PENNSYLVANIA AVE, SUITE 230Fairfield, CA 94533-0000
Mailing Address1860 Pennsylvania Ave, Suite 230Fairfield, CA 94533-3590 · (707) 646-4000 · Fax (707) 646-4004
Phone(707) 646-4000
Fax(707) 646-4004
Sole ProprietorNo
Medical School CMSUniformed Services Uhs Fe Hebert School Of MedGraduated 1998
Enumeration DateOctober 13, 2005
Last NPPES UpdateMarch 7, 2023
✔ NPI 1881682714 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A102015
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
1860 PENNSYLVANIA AVE, Fairfield, CA 94533
Open in Google Maps ↗

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. Jonathan D Lopez 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 ID4587849971
PECOS Enrollment IDI20111025000035
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 8

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.
742 services286 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
412 services67 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.
254 services64 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
82 services66 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
41 services41 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
23 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94533 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
$191.95 typical visit price
range $65.02 – $191.95
Typical copayment $47.98 (range $16.25 – $47.98)
Most-billed visit code 99205
Established Patient
$113.05 typical visit price
range $21.86 – $157.69
Typical copayment $28.26 (range $5.46 – $39.42)
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 3

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

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier23 claims23 services$80.95 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier11 claims11 services$31.10 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$31.34 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.

DONALD R DOYLE MD INC A PROFESSIONAL CORP
Internal Medicine (Pulmonary Disease)
1860 PENNSYLVANIA AVE, SUITE 300B
FAIRFIELD, CA 94533
Solano County (707) 646-4180
ARNOLD JOSSELSON MD
Pathology (Forensic Pathology)
1860 PENNSYLVANIA AVE, STE #150
FAIRFIELD, CA 94533
Solano County (707) 426-4883
DR. RACHEL M. VILLALON MD
Obstetrics & Gynecology
1860 PENNSYLVANIA AVE, SUITE 300
FAIRFIELD, CA 94533
Solano County (707) 646-4100
SHAHID UR REHMAN MD
Psychiatry & Neurology (Neurology)
1860 PENNSYLVANIA AVE, SUITE 210
FAIRFIELD, CA 94533
Solano County (707) 646-4191
DR. AMEER ALMULLAHASSANI MD
Psychiatry & Neurology (Neurology)
1860 PENNSYLVANIA AVE, SUITE 210
FAIRFIELD, CA 94533
Solano County (707) 646-4380
LAUREN WEBER D.O.
Family Medicine
1860 PENNSYLVANIA AVE, SUITE 300
FAIRFIELD, CA 94533
Solano County (707) 646-4100
KENI A HORIUCHI R.N.
Clinical Nurse Specialist (Oncology)
1860 PENNSYLVANIA AVE, 230
FAIRFIELD, CA 94533
Solano County (707) 429-6989
FORENSIC MEDICAL GROUP, INC.
Pathology (Forensic Pathology)
1860 PENNSYLVANIA AVE, #150
FAIRFIELD, CA 94533
Solano County (707) 426-4883

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 Jonathan Lopez's NPI number?

The NPI number for Jonathan Lopez is 1881682714. It was assigned to this individual provider in the NPPES registry on October 13, 2005.

Where is Jonathan Lopez located?

Jonathan Lopez practices at 1860 Pennsylvania Ave Suite 230, Fairfield, CA 94533. The listed phone number is (707) 646-4000.

What is Jonathan Lopez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Jonathan Lopez enrolled in Medicare?

Yes. Jonathan Lopez 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 Jonathan Lopez was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.