Individual provider

Steven Colby, MD

Infectious Disease Physician Medicare enrolled

Steven Colby, MD is an Infectious Disease Physician in Brooklyn, NY, registered under NPI 1891782777. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.

Getting there

The practice address on file is 506 6TH ST, Brooklyn, NY 11215. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

506 6TH ST, Brooklyn, NY 11215 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
157414 NY Infectious Disease Physician primary
ME0076743 FL Infectious Disease Physician

Licences are recorded in 2 states: NY, FL. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Infectious Disease
PAC ID
0042211419
Enrollment ID
I20070127000075

Medicare enrolment is recorded as approved under the provider type Practitioner - Infectious Disease. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

Licensed in 2 states

This provider holds licences in 2 states: Florida and New York. The practice address on file is in Brooklyn, NY, but a licence in another state usually means they see patients there too — either at a second location or by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.

FL Florida
Licence
ME0076743
Specialty
Infectious Disease Physician
Verify with the FL board →
NY New York practice address
Licence
157414
Specialty
Infectious Disease Physician
Verify with the NY board →

Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.

What Infectious Disease covers

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine. NUCC Health Care Provider Taxonomy, code 207RI0200X
Allopathic & Osteopathic Physicians Internal Medicine Infectious Disease

All registered taxonomy codes

This provider registers 2 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
207RI0200X Infectious Disease Physician Infectious Disease 157414 NY primary
207RI0200X Infectious Disease Physician Infectious Disease ME0076743 FL

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1891782777 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateOct 5, 2005
Last updatedDec 23, 2009
StatusActive
Sole proprietorYes
CredentialMD
Practice address 506 6TH ST
Brooklyn, NY 11215
(718) 780-5246
Fax (718) 780-3259
Mailing address PO BOX 5450
New York, NY 10087
Other identifiers 00869796 · Medicaid (NY)
256292800 · Medicaid (FL)
44870 · Other (FL)
This record was last updated on Dec 23, 2009, roughly 16 years ago. Address and phone details that old are frequently out of date. Verify by phone before travelling to the address shown.

Number check

1891782777 passes the NPI check digit test The final digit 7 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 8 9 1 7 8 2 7 7
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 8 9 1 5 8 4 7 5

Sum = 73 · next multiple of 10 = 80 · check digit = 7 · actual last digit = 7

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1891782777?
NPI 1891782777 is the National Provider Identifier assigned to Steven Colby, MD in Brooklyn, NY. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Infectious Disease cover?
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also…
How do I contact Steven Colby, MD?
The phone number on file with NPPES is (718) 780-5246, last updated Dec 23, 2009. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Does Steven Colby, MD accept Medicare?
This NPI has an approved Medicare enrolment in PECOS, which means the provider is enrolled to bill Medicare. Enrolment does not guarantee they are accepting new Medicare patients — verify directly with the office.
Is NPI 1891782777 a valid number?
Yes. 1891782777 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.