NATHALIE JAVIDI-SHARIFI
NPI 1699221572
Internal Medicine - Medical Oncology in Boston, MA

NPI Status: Active since August 30, 2016

Contact Information

450 BROOKLINE AVE
BOSTON, MA
ZIP 02215
Phone: (617) 632-6140
Fax: (617) 632-3000

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  • Individual
  • Female
  • Years of Experience 8
  • Internal Medicine
  • Medical Oncology
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About NATHALIE JAVIDI-SHARIFI

This page provides the complete NPI Profile along with additional information for Nathalie Javidi-sharifi, an internist established in Boston, Massachusetts with a medical specialization in Internal Medicine, focusing in medical oncology and more than 8 years of experience. She graduated from Oregon Health Sciences University School Of Medicine in 2018. The healthcare provider is registered in the NPI registry with number 1699221572 assigned on August 2016. The practitioner's primary taxonomy code is 207RX0202X with license number 1023546 (MA). The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1699221572
Provider Name
NATHALIE JAVIDI-SHARIFI
Gender
Female
Entity Type
Individual
Location Address
450 BROOKLINE AVE BOSTON, MA 02215
Location Phone
(617) 632-6140
Location Fax
(617) 632-3000
Mailing Address
3181 SW SAM JACKSON PARK RD PORTLAND, OR 97239
Medical School Name
OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
2018
Is Sole Proprietor?
No
Enumeration Date
08-30-2016
Last Update Date
04-19-2026
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An internist like Nathalie Javidi-sharifi is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 3181 SW Sam Jackson Park Rd
    Portland, OR 97239
    (425) 516-3278

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

Internal Medicine Medical Oncology

Taxonomy Code
207RX0202X
Type
Allopathic & Osteopathic Physicians
License No.
1023546
License State
MA
Taxonomy Description
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

Medicare Participation & PECOS Enrollment Status

Nathalie Javidi-sharifi is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Nathalie Javidi-sharifi 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

  • PECOS PAC ID: 2961752019

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20260422001502

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Maybe

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • 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

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 02215 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $189.86
  • Minimum New Patient Price $63.72
  • Maximum New Patient Price $189.86
  • Average New Patient Copayment $47.46
  • Minimum New Patient Copayment $15.93
  • Maximum New Patient Copayment $47.46

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $111.18
  • Minimum Established Patient Price $21.07
  • Maximum Established Patient Price $155.29
  • Average Established Patient Copayment $27.79
  • Minimum Established Patient Copayment $5.26
  • Maximum Established Patient Copayment $38.82

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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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 1699221572, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
6
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
2
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 9 → 18 → 9 2 → 4 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 8 + 9 + 4 + 2 + 2 + 5 + 1 + 4 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1699221572.

Other Providers at the Same Location


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

Internal Medicine
450 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, DANA FARBER CANCER INSTITUTE, D-1608
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, DANA-FARBER CANCER INSTITUTE, D1234
BOSTON, MA 02215
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 1234
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE, DANA 322 DEPT OF PEDIATRIC ONCOLOGY
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, DFCI, D1212
BOSTON, MA 02215
Internal Medicine (Hematology)
450 BROOKLINE AVE, M530, DANA-FARBER CANCER INSTITUTE
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, DANA-FARBER CANCER INSTITUTE
BOSTON, MA 02215
Pediatrics (Hospice and Palliative Medicine)
450 BROOKLINE AVE, SW411
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, DANA-FARBER CANCER INSTITUTE
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, DANA-FARBER CANCER INSTITUTE
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, M229
BOSTON, MA 02215
Nurse Practitioner
450 BROOKLINE AVE, D315
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, DANA FARBER CANCER INSTITUTE
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, D1230
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE, DANA-FARBER CANCER INSTITUTE
BOSTON, MA 02215
Internal Medicine (Medical Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699221572, enumerated as an "individual" on August 30, 2016.

The provider is located at 450 BROOKLINE AVE BOSTON, MA 02215 and the phone number is (617) 632-6140.

Internal Medicine with taxonomy code 207RX0202X and a focus in Medical Oncology.