What is Matthew Lyman's NPI number?

Matthew Lyman's National Provider Identifier (NPI) is 1598880536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Matthew Lyman's specialty?

Matthew Lyman is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Matthew Lyman located?

Matthew Lyman's practice location on file with NPPES is 1001 G St Nw Ste 200east, Washington, DC 20001-4545.

What is Matthew Lyman's phone number?

The practice phone number listed in the NPPES registry for Matthew Lyman is (202) 660-0005.

Is Matthew Lyman's NPI active?

Yes — Matthew Lyman's NPI (1598880536) is active in the NPPES registry as of the last update on 2022-07-21.

IndividualActive

Matthew Lyman, PMHNP, ANP, LICSW

NPI 1598880536 · Psychiatric/Mental Health Nurse Practitioner · Washington, DC

Matthew Lyman, PMHNP, ANP, LICSW is a Psychiatric/Mental Health Nurse Practitioner provider in Washington, DC (NPI 1598880536).

Provider details

NPI number: 1598880536
Entity type: Individual
Primary specialty: Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: PMHNP, ANP, LICSW
Sex: Male
Sole proprietor: No
License: 111458 (MA)

Specialties & taxonomies

Psychiatric/Mental Health Nurse PractitionerPrimary363LP0808XLicense 1043976 (DC)
Physician Assistants & Advanced Practice Nursing Providers
Clinical Social Worker1041C0700XLicense 111458 (MA)
Behavioral Health & Social Service Providers
Primary Care Nurse Practitioner363LP2300XLicense 1043976 (DC)
Physician Assistants & Advanced Practice Nursing Providers

Profile Score

Detailed profile(99/100 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
3 documented practice locations

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

1001 G St Nw Ste 200east

Washington, DC 20001-4545

Phone: (202) 660-0005

Fax: (202) 660-0025

Street-level locationGet directions

More DC providers

Mailing address

130 Sutter St Fl 2

San Francisco, CA 94104-4009

Additional practice locations (2)

1627 Kenilworth Ave Ne
Washington, DC 20019-2010
Phone: (202) 803-2340
555 Winthrop St
Medford, MA 02155-1532
Phone: (617) 922-6480

Enumerated: 2007-03-20
Last updated: 2022-07-21

Frequently asked questions

What is Matthew Lyman's NPI number?: Matthew Lyman's National Provider Identifier (NPI) is 1598880536, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Matthew Lyman's specialty?: Matthew Lyman is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Matthew Lyman located?: Matthew Lyman's practice location on file with NPPES is 1001 G St Nw Ste 200east, Washington, DC 20001-4545.
What is Matthew Lyman's phone number?: The practice phone number listed in the NPPES registry for Matthew Lyman is (202) 660-0005.
Is Matthew Lyman's NPI active?: Yes — Matthew Lyman's NPI (1598880536) is active in the NPPES registry as of the last update on 2022-07-21.

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