What is Clarence Brown's NPI number?

Clarence Brown's National Provider Identifier (NPI) is 1992780274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Clarence Brown's specialty?

Clarence Brown is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).

Where is Clarence Brown located?

Clarence Brown's practice location on file with NPPES is 1400 S Orange Ave, Orlando, FL 32806-2134.

What is Clarence Brown's phone number?

The practice phone number listed in the NPPES registry for Clarence Brown is (407) 648-3800.

Is Clarence Brown's NPI active?

Yes — Clarence Brown's NPI (1992780274) is active in the NPPES registry as of the last update on 2008-04-10.

IndividualActive

Clarence Brown, MD

NPI 1992780274 · Hematology & Oncology Physician · Orlando, FL

Clarence Brown, MD is a Hematology & Oncology Physician provider in Orlando, FL (NPI 1992780274).

Provider details

NPI number: 1992780274
Entity type: Individual
Primary specialty: Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: ME24973 (FL)

Practice location

1400 S Orange Ave

Orlando, FL 32806-2134

Phone: (407) 648-3800

Fax: (407) 425-5203

Street-level locationGet directions

More FL providers

Mailing address

1400 S Orange Ave

Orlando, FL 32806-6100

Specialties & taxonomies

Hematology & Oncology PhysicianPrimary207RH0003XLicense ME24973 (FL)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2005-12-09
Last updated: 2008-04-10

Frequently asked questions

What is Clarence Brown's NPI number?: Clarence Brown's National Provider Identifier (NPI) is 1992780274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Clarence Brown's specialty?: Clarence Brown is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
Where is Clarence Brown located?: Clarence Brown's practice location on file with NPPES is 1400 S Orange Ave, Orlando, FL 32806-2134.
What is Clarence Brown's phone number?: The practice phone number listed in the NPPES registry for Clarence Brown is (407) 648-3800.
Is Clarence Brown's NPI active?: Yes — Clarence Brown's NPI (1992780274) is active in the NPPES registry as of the last update on 2008-04-10.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions