DR. IOANNA ATHANASIADIS COMSTOCK M.D.
NPI 1699937276
Obstetrics & Gynecology - Reproductive Endocrinology in Washington, DC

NPI Status: Active since June 25, 2008

Contact Information

2150 PENNSYLVANIA AVE NW
MEDICAL FACULTY ASSOCIATES
WASHINGTON, DC
ZIP 20037
Phone: (202) 741-2520

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  • Individual
  • Female
  • Obstetrics & Gynecology
  • Reproductive Endocrinology

About IOANNA COMSTOCK

This page provides the complete NPI Profile along with additional information for Ioanna Comstock, a women's health care provider established in Washington, District Of Columbia with a medical specialization in Obstetrics & Gynecology, focusing in reproductive endocrinology . The healthcare provider is registered in the NPI registry with number 1699937276 assigned on June 2008. The practitioner's primary taxonomy code is 207VE0102X with license number MD040379 (DC). The provider is registered as an individual and her NPI record was last updated 10 years ago.

NPI
1699937276
Provider Name
DR. IOANNA ATHANASIADIS COMSTOCK M.D.
Gender
Female
Entity Type
Individual
Location Address
2150 PENNSYLVANIA AVE NW MEDICAL FACULTY ASSOCIATES WASHINGTON, DC 20037
Location Phone
(202) 741-2520
Mailing Address
2150 PENNSYLVANIA AVE NW MEDICAL FACULTY ASSOCIATES WASHINGTON, DC 20037
Mailing Phone
(202) 741-2520
Is Sole Proprietor?
Yes
Enumeration Date
06-25-2008
Last Update Date
08-19-2016
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Women's health care providers like Ioanna Comstock treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.

Location Map

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

Obstetrics & Gynecology Reproductive Endocrinology

Taxonomy Code
207VE0102X
Type
Allopathic & Osteopathic Physicians
License No.
MD040379
License State
DC
Taxonomy Description
An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.

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)
1207V00000XAllopathic & Osteopathic Physicians

Obstetrics & Gynecology

MD040379 (DC)
2207V00000XAllopathic & Osteopathic Physicians

Obstetrics & Gynecology

A124875 (CA)

Reviews for DR. IOANNA ATHANASIADIS COMSTOCK 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 1699937276, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).

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
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
6
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 9 → 18 → 9 7 → 14 → 5 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 + 1 + 8 + 3 + 1 + 4 + 2 + 1 + 4 + 24 = 74

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

The next multiple of ten after 74 is 80. The difference is the calculated check digit.

80 - 74 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1699937276.

Other Providers at the Same Location


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

Nurse Practitioner (Family)
2150 PENNSYLVANIA AVE NW, SUITE 10-412
WASHINGTON, DC 20037
Allergy & Immunology
2150 PENNSYLVANIA AVE NW, SUITE G-402
WASHINGTON, DC 20037
Emergency Medicine
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
Ophthalmology
2150 PENNSYLVANIA AVE NW, ST 2A
WASHINGTON, DC 20037
Obstetrics & Gynecology (Maternal & Fetal Medicine)
2150 PENNSYLVANIA AVE NW, STE 10-409A
WASHINGTON, DC 20037
Obstetrics & Gynecology
2150 PENNSYLVANIA AVE NW, MEDICAL FACULTY ASSOCIATES INC
WASHINGTON, DC 20037
Obstetrics & Gynecology
2150 PENNSYLVANIA AVE NW, MEDICAL FACULTY ASSOCIATES INC
WASHINGTON, DC 20037
Surgery
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
Obstetrics & Gynecology (Maternal & Fetal Medicine)
2150 PENNSYLVANIA AVE NW, MEDICAL FACULTY ASSOCIATES INC
WASHINGTON, DC 20037
Thoracic Surgery (Cardiothoracic Vascular Surgery)
2150 PENNSYLVANIA AVE NW, 6B
WASHINGTON, DC 20037
Social Worker
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
Psychiatry & Neurology (Psychiatry)
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 20037
Psychiatry & Neurology (Psychiatry)
2150 PENNSYLVANIA AVE NW, 8TH FLOOR
WASHINGTON, DC 20037
Psychiatry & Neurology (Pain Medicine)
2150 PENNSYLVANIA AVE NW, 8TH FLOOR
WASHINGTON, DC 20037
Obstetrics & Gynecology (Reproductive Endocrinology)
2150 PENNSYLVANIA AVE NW, 6A
WASHINGTON, DC 20037
Neurological Surgery
2150 PENNSYLVANIA AVE NW, 7TH FLOOR
WASHINGTON, DC 20037
Internal Medicine
2150 PENNSYLVANIA AVE NW, DEPARTMENT OF MEDICINE
WASHINGTON, DC 20037
Internal Medicine (Geriatric Medicine)
2150 PENNSYLVANIA AVE NW, DEPARTMENT OF MEDICINE
WASHINGTON, DC 20037
Internal Medicine (Geriatric Medicine)
2150 PENNSYLVANIA AVE NW, DEPARTMENT OF MEDICINE
WASHINGTON, DC 20037
Internal Medicine
2150 PENNSYLVANIA AVE NW, DEPARTMENT OF MEDICINE
WASHINGTON, DC 20037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699937276, enumerated as an "individual" on June 25, 2008.

The provider is located at 2150 PENNSYLVANIA AVE NW MEDICAL FACULTY ASSOCIATES WASHINGTON, DC 20037 and the phone number is (202) 741-2520.

Obstetrics & Gynecology with taxonomy code 207VE0102X and a focus in Reproductive Endocrinology.