Terra J. Grandmason, ARNP
Family Nurse Practitioner · Olympia, WA
Terra J. Grandmason, ARNP is a family nurse practitioner with a practice address in Olympia, Washington, and NPI 1235328501, issued on Oct 23, 2007. Check the license (Washington AP30007907, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Terra J. Grandmason
- Credential
- ARNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP30007907 WA
Self-reported in NPPES; status is on the state search - Practice location
- 209 Lilly RD NE # B, Olympia, WA 98506
- Phone
- (360) 413-8250
- Enumerated
- Oct 23, 2007
- Record last updated
- May 28, 2026
- Fax
- (360) 413-8830
- Medicaid ID
- 1054720 WA
- Medicare enrollment
- Enrolled (PECOS I20080204000045); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,781 in Washington → Look up another NPI →
Verify Terra J. Grandmason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP30007907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average family nurse practitioner in 2024
407 Medicare Part D claims for 249 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Peg-3350 And Electrolytes70 claims
- Omeprazole68 claims
- Gavilyte-G61 claims
- Gavilyte-C42 claims
- Pantoprazole Sodium36 claims
- Famotidine14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $213.63
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Puget Sound Gastroenterology PLLCOlympia, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Terra J. Grandmason among 3,781 family nurse practitioner records in Washington
Terra J. Grandmason, ARNP is one of 3,781 family nurse practitioner records with a practice address in Washington. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 16% of them.
- NPI issued2007 · 16% of these records are older, 78% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2007 · median 2018 among the 2,116 with a school on file
- Record last updated2026 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
93 family nurse practitioner records list a practice address in Olympia
They are 93 of the 5,034 NPPES records with a practice address in Olympia, and 3,781 family nurse practitioner records in Washington.
All 3,781 in Washington → Every provider in Olympia → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Rebecca Bodle-Shingu, ARNPOlympia, WA 985061558362368
- Heidi Bray, ARNPOlympia, WA 985061366492241
- Shana Charles, ARNPOlympia, WA 985061437179546
- Julie Dybbro, ARNPOlympia, WA 985061124006150
- Robin Ellingson-Miller, ARNPOlympia, WA 985061851313134
- Suzanne Goldman, APRNOlympia, WA 985061396821310
- Kathryn Harshman, ARNPOlympia, WA 985061952537706
- Linda Jacobsen, ARNPOlympia, WA 985061467669002
Common questions
What is Terra J. Grandmason, ARNP's NPI number?
Terra J. Grandmason, ARNP's National Provider Identifier (NPI) is 1235328501, issued on Oct 23, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Terra J. Grandmason, ARNP located?
The NPPES record lists a practice address at 209 Lilly RD NE # B, Olympia, WA, 98506. Phone: (360) 413-8250. Providers update this record themselves, so call before visiting.
How can I verify Terra J. Grandmason, ARNP's license?
NPPES lists Washington license number AP30007907, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Terra J. Grandmason, ARNP prescribe under Medicare Part D?
In 2024, Terra J. Grandmason, ARNP had 407 Medicare Part D claims for 249 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.