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JAMES MELVIN LONG M.D.
NPI 1194821868
Internal Medicine - Hematology & Oncology in Vacaville, CA

Active since September 16, 2006PECOS EnrolledAccepts Medicare Assignment
1020 NUT TREE RD STE 390, VACAVILLE, CA 95687(707) 624-8000(707) 624-8001 Get Directions Write a Review

NPPES record last updated: December 21, 2023. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About James Melvin Long M.d. NPPES

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

JAMES MELVIN LONG M.D. (NPI 1194821868) is an individual hematology & oncology provider in Vacaville, California, licensed in California (C50016) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical Branch At Galveston (1984).

NPPES Registry Identity

NPI1194821868
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameJAMES MELVIN LONGCredential: M.D.
Location Address1020 NUT TREE RD STE 390Vacaville, CA 95687-4100
Mailing Address1200 B Gale Wilson BlvdFairfield, CA 94533-3552 · (707) 646-5611 · Fax (707) 646-4902
Phone(707) 624-8000
Fax(707) 624-8001
Sole ProprietorYes
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 1984
Enumeration DateSeptember 16, 2006
Last NPPES UpdateDecember 21, 2023
NPPES CertifiedDecember 21, 2023
✔ NPI 1194821868 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 · C50016
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.

1020 NUT TREE RD STE 390, Vacaville, CA 95687
Open in Google Maps ↗

Other Identifiers 1

OtherC50016CA · Medical License

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

James Melvin Long 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 ID1355478991
PECOS Enrollment IDI20100429001069
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 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.

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.
604 services212 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.
165 services78 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
47 services39 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
35 services35 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.
35 services35 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.
21 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95687 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 2

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
2 suppliers24 claims24 services$79.75 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
2 suppliers14 claims14 services$34.19 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 3

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

BRIAN VIKSTROM M.D.
Internal Medicine (Hematology & Oncology)
1020 NUT TREE RD STE 390
VACAVILLE, CA 95687
Solano County (707) 624-8001
CHRISTOPHER SMITH PHARM. D
Pharmacist (Oncology)
1020 NUT TREE RD STE 390
VACAVILLE, CA 95687
Solano County (707) 624-8000
DR. TYLER YU-TAI KANG M.D.
Internal Medicine (Hematology & Oncology)
1020 NUT TREE RD STE 390
VACAVILLE, CA 95687
Solano County (707) 624-8000

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 James Long's NPI number?

The NPI number for James Long is 1194821868. It was assigned to this individual provider in the NPPES registry on September 16, 2006.

Where is James Long located?

James Long practices at 1020 Nut Tree Rd Ste 390, Vacaville, CA 95687. The listed phone number is (707) 624-8000.

What is James Long's specialty?

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

Is James Long enrolled in Medicare?

Yes. James Long 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 James Long was last updated on December 21, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.