LUIS ALBERTO DIAZ JR. M.D.
NPI 1689601460
Internal Medicine - Hematology & Oncology in Baltimore, MD

Active since June 27, 2006PECOS EnrolledAccepts Medicare Assignment
89.61/100
CMS Quality Rating
600 N WOLFE ST, BALTIMORE, MD 21287(410) 955-8964 Get Directions Write a Review

NPPES record last updated: February 6, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Luis Alberto Diaz Jr. M.d. NPPES

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

LUIS ALBERTO DIAZ JR. M.D. (NPI 1689601460) is an individual hematology & oncology provider in Baltimore, Maryland, licensed in Maryland (D57984) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1998).

NPPES Registry Identity

NPI1689601460
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameLUIS ALBERTO DIAZ JR.Credential: M.D.
Location Address600 N WOLFE STBaltimore, MD 21287-0005
Mailing AddressPo Box 64474Baltimore, MD 21264-4474 · (410) 955-8964
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 1998
Enumeration DateJune 27, 2006
Last NPPES UpdateFebruary 6, 2013
NPI 1689601460 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses Licensed in MD · D57984 Licensed in MD · D28240
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.
600 N WOLFE ST, Baltimore, MD 21287

Other Identifiers 3

Medicare PINKR52G100MD
Medicare UPINH84919MD
Medicaid401517700MD

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

Luis Alberto Diaz Jr. 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 ID7618008301
PECOS Enrollment IDI20171129002532
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 2

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.
74 services22 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.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 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
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

89.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.89
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

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

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier14 claims340 services$0.65 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.

Physician Assistant (Medical)
600 N WOLFE ST, NELSON 2-133
BALTIMORE, MD 21287
Physician Assistant
600 N WOLFE ST, MARBURG B-186
BALTIMORE, MD 21287
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21287
Dental Hygienist
600 N WOLFE ST, BLALOCK 266
BALTIMORE, MD 21287
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Internal Medicine (Medical Oncology)
600 N WOLFE ST
BALTIMORE, MD 21287
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST
BALTIMORE, MD 21287

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 Luis Diaz's NPI number?

The NPI number for Luis Diaz is 1689601460. It was assigned to this individual provider in the NPPES registry on June 27, 2006.

Where is Luis Diaz located?

Luis Diaz practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-8964.

What is Luis Diaz's specialty?

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

Is Luis Diaz enrolled in Medicare?

Yes. Luis Diaz 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 Luis Diaz was last updated on February 6, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.