Harriet Lia Loo, MD
Psychiatry Physician · Wasilla, AK
Harriet Lia Loo, MD is a psychiatry physician with a practice address in Wasilla, Alaska, and NPI 1326196692, issued on Jan 5, 2007. Check the license (Alaska 5583, as entered in NPPES) on the Alaska State Medical Board; the Medicare figures below come from public CMS files.
- Name
- Harriet Lia Loo
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 5583 AK
Self-reported in NPPES; status is on the state search - Practice location
- 1363 W Spruce Ave, Wasilla, AK 99654
- Phone
- (907) 376-2411
- Enumerated
- Jan 5, 2007
- Record last updated
- Nov 14, 2025
- Medicare enrollment
- Enrolled (PECOS I20070705000573); accepts Medicare assignment
- Medical or professional school
- University Of Cincinnati College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 122 in Alaska → Look up another NPI →
Also registered at 1363 W Spruce Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine AderholdPeer Specialist1568326312
- Ann Aitken, LPCProfessional Counselor1467621722
- Charlotte AllenPeer Specialist1285337766
- Ann AndrusPeer Specialist1396354544
- Tracy AppeloPeer Specialist1396323838
- Hunter BaileyPeer Specialist1750904447
Verify Harriet Lia Loo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlaska State Medical Board
Search for license 5583Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average psychiatry physician in 2024
79 Medicare Part D claims for 12 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Sertraline Hcl19 claims
- Alprazolam13 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.
Bills Medicare through one group practice
- Mat - SU Health Services Inc.Wasilla, AK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harriet Lia Loo among 122 psychiatry physician records in Alaska
Harriet Lia Loo, MD is one of 122 psychiatry physician records with a practice address in Alaska. 66% 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 49% of them.
- NPI issued2007 · 49% of these records are older, 37% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1999 · median 2002 among the 60 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Alaska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Alaska
There are 122 psychiatry physician records in Alaska.
All 122 in Alaska → Every provider in Wasilla → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- John Forbes, M.D.Wasilla, AK 996541942296694
- Jeremy Jensen, MDWasilla, AK 996541346322500
- Jamie Alexander, D.O.Palmer, AK 996451700382363
- Ellen Halverson, M.D.Palmer, AK 996451467478164
- Jane Larouche, D.O.Palmer, AK 996451861794547
- Ryah McKinley, DOPalmer, AK 996451063945871
- Denise HawksSeward, AK 996641659553584
- Sean Costello, MDSoldotna, AK 996691942882774
Common questions
What is Harriet Lia Loo, MD's NPI number?
Harriet Lia Loo, MD's National Provider Identifier (NPI) is 1326196692, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Harriet Lia Loo, MD located?
The NPPES record lists a practice address at 1363 W Spruce Ave, Wasilla, AK, 99654. Phone: (907) 376-2411. Providers update this record themselves, so call before visiting.
How can I verify Harriet Lia Loo, MD's license?
NPPES lists Alaska license number 5583, as entered by the provider. Search the Alaska State Medical Board at https://www.commerce.alaska.gov/web/cbpl/ProfessionalLicensing/StateMedicalBoard.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Harriet Lia Loo, MD prescribe under Medicare Part D?
In 2024, Harriet Lia Loo, MD had 79 Medicare Part D claims for 12 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.