What is Dierus Fon's NPI number?

Dierus Fon's National Provider Identifier (NPI) is 1649007758, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Dierus Fon's specialty?

Dierus Fon is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).

Where is Dierus Fon located?

Dierus Fon's practice location on file with NPPES is 13303 Arctic Ave, Rockville, MD 20853-3013.

What is Dierus Fon's phone number?

The practice phone number listed in the NPPES registry for Dierus Fon is (240) 579-5608.

Is Dierus Fon's NPI active?

Yes — Dierus Fon's NPI (1649007758) is active in the NPPES registry as of the last update on 2025-03-05.

IndividualActive

Dierus Fon

NPI 1649007758 · Case Manager/Care Coordinator · Rockville, MD

Dierus Fon is a Case Manager/Care Coordinator provider in Rockville, MD (NPI 1649007758).

Provider details

NPI number: 1649007758
Entity type: Individual
Primary specialty: Case Manager/Care CoordinatorOther Service Providers
Sex: Male
Sole proprietor: Yes

Specialties & taxonomies

Case Manager/Care CoordinatorPrimary171M00000X
Other Service Providers

Profile Score

Basic profile(49/100 index)

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

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
83% 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.

Practice location

13303 Arctic Ave

Rockville, MD 20853-3013

Phone: (240) 579-5608

Street-level locationGet directions

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Mailing address