Mark Underwood, PHARMD
NPI 1619974995 · Psychiatric Pharmacist · Tacoma, WA
Enrolled with Medicare as Order and Referring Only - Other (non-Physician) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Underwood, PHARMD is a Psychiatric Pharmacist provider in Tacoma, WA (NPI 1619974995).
Provider details
- NPI number
- 1619974995
- Entity type
- Individual
- Primary specialty
- Psychiatric PharmacistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Male
- Sole proprietor
- Yes
- License
- PH00018191 (WA)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
Mailing address
Registry dates
- Enumerated
- 2005-07-01
- Last updated
- 2010-03-10
Frequently asked questions
- What is Mark Underwood's NPI number?
- Mark Underwood's National Provider Identifier (NPI) is 1619974995, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Underwood's specialty?
- Mark Underwood is listed in the NPPES registry with a primary specialty of Psychiatric Pharmacist (Pharmacy Service Providers).
- Where is Mark Underwood located?
- Mark Underwood's practice location on file with NPPES is 9601 Steilacoom Blvd Sw, Tacoma, WA 98498-7213.
- What is Mark Underwood's phone number?
- The practice phone number listed in the NPPES registry for Mark Underwood is (253) 761-3390.
- Does Mark Underwood accept Medicare?
- Mark Underwood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Underwood's NPI active?
- Yes — Mark Underwood's NPI (1619974995) is active in the NPPES registry as of the last update on 2010-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.