RONALD A SEFF, MD, PA
NPI 1285758532
Ophthalmology in Baltimore, MD

NPI Status: Active since March 19, 2007

Contact Information

19 FONTANA LN
SUITE 108
BALTIMORE, MD
ZIP 21237
Phone: (410) 574-4040
Fax: (410) 574-1255

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  • Organization
  • Ophthalmology

About RONALD A SEFF, MD, PA

This page provides the complete NPI Profile along with additional information for Ronald A Seff, Md, Pa, a provider established in Baltimore, Maryland operating as a Ophthalmology. The healthcare provider is registered in the NPI registry with number 1285758532 assigned on March 2007. The practitioner's primary taxonomy code is 207W00000X with license number D16254 (MD). The provider is registered as an organization and their NPI record was last updated 18 years ago. The authorized official of this NPI record is Dr. Ronald Alan Seff M.d. (President)

NPI
1285758532
Provider Name
RONALD A SEFF, MD, PA
Entity Type
Organization
Location Address
19 FONTANA LN SUITE 108 BALTIMORE, MD 21237
Location Phone
(410) 574-4040
Location Fax
(410) 574-1255
Mailing Address
19 FONTANA LN SUITE 108 BALTIMORE, MD 21237
Mailing Phone
(410) 574-4040
Mailing Fax
(410) 574-1255
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-19-2007
Last Update Date
03-13-2008
Code Navigator

Ophthalmologists like Ronald A Seff, Md, Pa specialize in diagnosing and treating eye conditions. They may perform surgeries to correct vision issues or prevent vision loss due to diseases like glaucoma. Additionally, they can provide eyeglasses, prescribe contact lenses, and offer other vision-related services.

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

Ophthalmology

Taxonomy Code
207W00000X
Type
Allopathic & Osteopathic Physicians
License No.
D16254
License State
MD
Taxonomy Description
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

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)
1332H00000XSuppliers

Eyewear Supplier

D16254 (MD)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. RONALD ALAN SEFF M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(410) 574-4040

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
938QOTHER (01)MDMEDICARE P TEN
3103013P0000MEDICAID (05)MD 
1260380001MEDICARE NSC (07)MD 
B70183MEDICARE UPIN (02)MD 

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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 1285758532, 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
2
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
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 8 → 16 → 7 7 → 14 → 5 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 1 + 4 + 5 + 1 + 6 + 5 + 6 + 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 1285758532.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Orthopaedic Surgery
19 FONTANA LN, SUITE 208-210
BALTIMORE, MD 21237
Nurse Practitioner (Family)
19 FONTANA LN, STE 206
BALTIMORE, MD 21237
Dentist (General Practice)
19 FONTANA LN, SUITE 202
BALTIMORE, MD 21237
Orthopaedic Surgery
19 FONTANA LN, STE 208
BALTIMORE, MD 21237
Anesthesiology
19 FONTANA LN, STE 104
BALTIMORE, MD 21237
Ophthalmology
19 FONTANA LN, SUITE 108
BALTIMORE, MD 21237
Orthopaedic Surgery
19 FONTANA LN, SUITE 208-210
ROSEDALE, MD 21237
Neurological Surgery
19 FONTANA LN, STE 206
BALTIMORE, MD 21237
Orthopaedic Surgery
19 FONTANA LN, SUITE 208-210
ROSEDALE, MD 21237
Internal Medicine (Geriatric Medicine)
19 FONTANA LN, STE.208
ROSEDALE, MD 21237
Clinic/Center (Ambulatory Surgical)
19 FONTANA LN, SUITE 104
BALTIMORE, MD 21237
Specialist
19 FONTANA LN, SUITE 108-110
ROSEDALE, MD 21237
Nurse Anesthetist, Certified Registered
19 FONTANA LN, SUITE 104
BALTIMORE, MD 21237
Neurological Surgery
19 FONTANA LN, SUITE 206
BALTIMORE, MD 21237

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285758532, enumerated as an "organization" on March 19, 2007.

The provider is located at 19 FONTANA LN SUITE 108 BALTIMORE, MD 21237 and the phone number is (410) 574-4040.

Ophthalmology with taxonomy code 207W00000X.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.