What is Mark Hedlund's NPI number?

Mark Hedlund's National Provider Identifier (NPI) is 1366596280, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Hedlund's specialty?

Mark Hedlund is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).

Where is Mark Hedlund located?

Mark Hedlund's practice location on file with NPPES is 716 Giddings Ave Ste 33, Annapolis, MD 21401-1419.

What is Mark Hedlund's phone number?

The practice phone number listed in the NPPES registry for Mark Hedlund is (443) 417-5117.

Is Mark Hedlund's NPI active?

Yes — Mark Hedlund's NPI (1366596280) is active in the NPPES registry as of the last update on 2025-09-24.

IndividualActive

Mark Hedlund, PHD

NPI 1366596280 · Clinical Psychologist · Annapolis, MD

Mark Hedlund, PHD is a Clinical Psychologist provider in Annapolis, MD (NPI 1366596280).

Provider details

NPI number: 1366596280
Entity type: Individual
Primary specialty: Clinical PsychologistBehavioral Health & Social Service Providers
Credential: PHD
Sex: Male
Sole proprietor: Yes
License: 2258 (MD)

Specialties & taxonomies

Clinical PsychologistPrimary103TC0700XLicense 2258 (MD)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(90/100 index)

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

Registry tenure38% of score
19 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.

Practice location

716 Giddings Ave Ste 33

Annapolis, MD 21401-1419

Phone: (443) 417-5117

Street-level locationGet directions

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Mailing address