DR. DIANA CHENG M.D.
NPI 1649345166
Obstetrics & Gynecology - Gynecology in Baltimore, MD

NPI Status: Active since November 21, 2006

Contact Information

201 W PRESTON ST
ROOM 313
BALTIMORE, MD
ZIP 21201
Phone: (410) 767-6719
Fax: (410) 333-5233

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  • Individual
  • Female
  • Obstetrics & Gynecology
  • Gynecology

About DIANA CHENG

This page provides the complete NPI Profile along with additional information for Diana Cheng, a women's health care provider established in Baltimore, Maryland with a medical specialization in Obstetrics & Gynecology, focusing in gynecology . The healthcare provider is registered in the NPI registry with number 1649345166 assigned on November 2006. The practitioner's primary taxonomy code is 207VG0400X with license number D36093 (MD). The provider is registered as an individual and her NPI record was last updated 14 years ago.

NPI
1649345166
Provider Name
DR. DIANA CHENG M.D.
Gender
Female
Entity Type
Individual
Location Address
201 W PRESTON ST ROOM 313 BALTIMORE, MD 21201
Location Phone
(410) 767-6719
Location Fax
(410) 333-5233
Mailing Address
20 AIGBURTH RD TOWSON, MD 21286
Mailing Phone
(410) 767-6719
Mailing Fax
(410) 333-5233
Is Sole Proprietor?
Yes
Enumeration Date
11-21-2006
Last Update Date
04-08-2012
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Women's health care providers like Diana Cheng 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 Gynecology

Taxonomy Code
207VG0400X
Type
Allopathic & Osteopathic Physicians
License No.
D36093
License State
MD
Taxonomy Description
A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee

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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 1649345166, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 4 → 8 3 → 6 5 → 10 → 1 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 8 + 9 + 6 + 4 + 1 + 0 + 1 + 1 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1649345166.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Advanced Practice Midwife
201 W PRESTON ST, ROOM 309
BALTIMORE, MD 21201
Nurse Practitioner (Women's Health)
201 W PRESTON ST
BALTIMORE, MD 21201
Nurse Practitioner (Obstetrics & Gynecology)
201 W PRESTON ST
BALTIMORE, MD 21201
Obstetrics & Gynecology
201 W PRESTON ST, RM 309
BALTIMORE, MD 21201
Public Health or Welfare
201 W PRESTON ST
BALTIMORE, MD 21201
Pediatrics
201 W PRESTON ST
BALTIMORE, MD 21201
Pharmacist
201 W PRESTON ST
BALTIMORE, MD 21201
Pharmacist
201 W PRESTON ST
BALTIMORE, MD 21201
Medical Genetics (Clinical Genetics (M.D.))
201 W PRESTON ST, SUITE 424
BALTIMORE, MD 21201
Long Term Care Hospital
201 W PRESTON ST, 5TH FLOOR
BALTIMORE, MD 21201
Long Term Care Hospital
201 W PRESTON ST, 5TH FLOOR
BALTIMORE, MD 21201
Long Term Care Hospital
201 W PRESTON ST, 5TH FLOOR
BALTIMORE, MD 21201
Pediatrics
201 W PRESTON ST, ROOM 523
BALTIMORE, MD 21201
Pharmacist
201 W PRESTON ST
BALTIMORE, MD 21201
Preventive Medicine (Public Health & General Preventive Medicine)
201 W PRESTON ST
BALTIMORE, MD 21201
Clinical Medical Laboratory
201 W PRESTON ST, LABORATORY TOWER
BALTIMORE, MD 21201
Preventive Medicine (Public Health & General Preventive Medicine)
201 W PRESTON ST, ROOM 304B
BALTIMORE, MD 21201
Pharmacist
201 W PRESTON ST
BALTIMORE, MD 21201
Social Worker (Clinical)
201 W PRESTON ST
BALTIMORE, MD 21201

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649345166, enumerated as an "individual" on November 21, 2006.

The provider is located at 201 W PRESTON ST ROOM 313 BALTIMORE, MD 21201 and the phone number is (410) 767-6719.

Obstetrics & Gynecology with taxonomy code 207VG0400X and a focus in Gynecology.