MARIA E DIAZ M.D.
NPI 1023124880
Internal Medicine in Lawrence, MA

Q: What is Maria Diaz's NPI number?

The NPI number for Maria Diaz is 1023124880. It was assigned to this individual provider in the NPPES registry on August 22, 2006. The provider is also known as Maria Flatto.

Q: What is Maria Diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Maria Diaz was last updated on November 4, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since August 22, 2006PECOS EnrolledAccepts Medicare Assignment

150 PARK ST, LAWRENCE, MA 01841(978) 685-1770(978) 682-5787 Get Directions Write a Review

NPPES record last updated: November 4, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Maria E Diaz M.d. NPPES

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

MARIA E DIAZ M.D. (NPI 1023124880) is an individual internal medicine provider in Lawrence, Massachusetts, licensed in Massachusetts (227339) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Lawrence General Hospital, and is a graduate of Other (1999).

NPPES Registry Identity

NPI1023124880

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameMARIA E DIAZCredential: M.D.

Location Address150 PARK STLawrence, MA 01841-2517

Mailing Address150 Park StLawrence, MA 01841-2517 · (978) 685-1770 · Fax (978) 682-5787

Phone(978) 685-1770

Fax(978) 682-5787

Sole ProprietorNo

Medical School CMSOtherGraduated 1999

Enumeration DateAugust 22, 2006

Last NPPES UpdateNovember 4, 2015

✔ NPI 1023124880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MA · 227339

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.

150 PARK ST, Lawrence, MA 01841

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Other Names 1

Other Name (5)Maria Flatto

Other Identifiers 1

Medicare PINA40899MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Maria E Diaz 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 ID5496753964

PECOS Enrollment IDI20061116000226

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.

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.

43 services15 patients

Hemoglobin a1c level, by device for home use 83037

A Hemoglobin A1c device for home use allows you to check your average blood sugar levels over the past 3 months. It's a simple, painless test that provides immediate results, helping you manage your diabetes more effectively.

33 services31 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Lawrence General Hospital

Acute Care Hospitals · Lawrence, MA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220010

LocationOne General StreetLawrence, MA 01842 · Essex County

Emergency services Birthing friendly

Holy Family Hospital

Acute Care Hospitals · Methuen, MA

2/5 CMS rating

OwnershipProprietary

CMS Certification Number220080

Location70 East StreetMethuen, MA 01844 · Essex County

Emergency services Birthing friendly

Lahey Hospital & Medical Center, Burlington

Acute Care Hospitals · Burlington, MA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220171

Location41 & 45 Mall RoadBurlington, MA 01803 · Middlesex County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01841 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

$134.47 typical visit price

range $58.86 – $177.36

Typical copayment $33.61 (range $14.71 – $44.34)

Most-billed visit code 99204

Established Patient

$103.48 typical visit price

range $19.11 – $144.84

Typical copayment $25.87 (range $4.77 – $36.21)

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.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

8 suppliers72 claims215 services$5.49 avg. paid by Medicare

Normal, low and high calibrator solution / chips A4256

DME-Other DME · category DE000N

1 supplier17 claims17 services$2.94 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

8 suppliers44 claims73 services$1.02 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 suppliers17 claims17 services$14.86 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers21 claims21 services$3.18 avg. paid by Medicare

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 suppliers17 claims17 services$68.17 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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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.

IDRIALYS MARIANA MATOS DOMINICI

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