DR. CHRISTINA CRUZ M.D.
NPI 1275763724
Allergy & Immunology in Boston, MA

NPI Status: Active since July 18, 2009

Contact Information

800 WASHINGTON ST
BOSTON, MA
ZIP 02111
Phone: (617) 636-5000

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  • Individual
  • Female
  • Allergy & Immunology
  • PECOS Enrolled

About CHRISTINA CRUZ

This page provides the complete NPI Profile along with additional information for Christina Cruz, a provider established in Boston, Massachusetts with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1275763724 assigned on July 2009. The practitioner's primary taxonomy code is 207K00000X with license number 263256 (MA). The provider is registered as an individual and her NPI record was last updated 8 years ago.

NPI
1275763724
Provider Name
DR. CHRISTINA CRUZ M.D.
Other Name
DR. CHRISTINA DAVID M.D.
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
800 WASHINGTON ST BOSTON, MA 02111
Location Phone
(617) 636-5000
Mailing Address
41 MALL ROAD LAHEY HOSPITAL AND MEDICAL CENTER BURLINGTON, MA 01805
Mailing Phone
(781) 744-8442
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
07-18-2009
Last Update Date
10-12-2018
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Location Map

Secondary Locations

  • 41 Mall Road Lahey Hospital and Medical Center
    Burlington, MA 01805
    (781) 744-8442

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Allergy & Immunology

Taxonomy Code
207K00000X
Type
Allopathic & Osteopathic Physicians
License No.
263256
License State
MA
Taxonomy Description
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207K00000XAllopathic & Osteopathic Physicians

Allergy & Immunology

6715 (NE)

Medicare Participation & PECOS Enrollment Status

Christina Cruz is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 13 times for 11 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 18 times for 17 patients

New patient office or other outpatient visit, 45-59 minutes

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.

This service was performed 18 times for 18 patients

Reviews for DR. CHRISTINA CRUZ M.D.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1275763724, we treat the final digit (4) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
3
Doubled → 6
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
Check
4
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 7 → 14 → 5 7 → 14 → 5 3 → 6 2 → 4

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 1 + 4 + 5 + 1 + 4 + 6 + 6 + 7 + 4 + 24 = 66

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1275763724.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
800 WASHINGTON ST, BOX 63
BOSTON, MA 02111
Psychiatry & Neurology (Psychosomatic Medicine)
800 WASHINGTON ST, TUFTS MEDICAL CENTER BOX 1007
BOSTON, MA 02111
Pediatrics
800 WASHINGTON ST, DEPT. OF PEDIATRICS
BOSTON, MA 02111
Psychiatry & Neurology (Neurology)
800 WASHINGTON ST, #314
BOSTON, MA 02111
Pathology (Clinical Pathology/Laboratory Medicine)
800 WASHINGTON ST, BOX 115
BOSTON, MA 02111
Nurse Practitioner
800 WASHINGTON ST, GI LIVER GROUP P.C.TUFTS MEDICAL CENTER
BOSTON, MA 02111
Pediatrics (Developmental - Behavioral Pediatrics)
800 WASHINGTON ST, BOX 334
BOSTON, MA 02111
Pediatrics
800 WASHINGTON ST, BOX 286 DEPT. OF PEDIATRICS
BOSTON, MA 02111
Specialist
800 WASHINGTON ST, # 450
BOSTON, MA 02111
Anesthesiology
800 WASHINGTON ST, TUFT-NEMC BOX 298
BOSTON, MA 02111
Pediatrics (Developmental - Behavioral Pediatrics)
800 WASHINGTON ST, CCSN # 334
BOSTON, MA 02111
Pediatrics (Pediatric Hematology-Oncology)
800 WASHINGTON ST, FLOATING HOSPITAL FOR CHILDREN AT TUFTS MEDICAL CENTER
BOSTON, MA 02111
Surgery
800 WASHINGTON ST, BOX 7105
BOSTON, MA 02111
Pediatrics (Pediatric Pulmonology)
800 WASHINGTON ST, TMC BOX# 343
BOSTON, MA 02111
Pediatrics (Pediatric Cardiology)
800 WASHINGTON ST, #313
BOSTON, MA 02111
Orthopaedic Surgery (Hand Surgery)
800 WASHINGTON ST, BOX 26
BOSTON, MA 02111
Pediatrics
800 WASHINGTON ST, GENERAL PEDIATRICS - FLOATING HOSPITAL FOR CHILDREN
BOSTON, MA 02111
Pediatrics (Neonatal-Perinatal Medicine)
800 WASHINGTON ST
BOSTON, MA 02111
Emergency Medicine
800 WASHINGTON ST, BOX #311
BOSTON, MA 02111
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
800 WASHINGTON ST
BOSTON, MA 02111

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275763724, enumerated as an "individual" on July 18, 2009.

The provider is located at 800 WASHINGTON ST BOSTON, MA 02111 and the phone number is (617) 636-5000.

Allergy & Immunology with taxonomy code 207K00000X.