Registry data as of Aug 27, 2026

Derrick Manzlak, M.D.

Psychiatry Physician · Anchorage, AK

Derrick Manzlak, M.D. is a psychiatry physician with a practice address in Anchorage, Alaska, and NPI 1235429457, issued on Apr 8, 2011. Check the license on the Alaska State Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1235429457
Name
Derrick Manzlak
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License numbers
0101262628 VA
261728 MA
Self-reported in NPPES; status is on the state search
Practice location
3976 University Lake Dr Ste 100, Anchorage, AK 99508
Phone
(907) 729-8141
Enumerated
Apr 8, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Derrick Manzlak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlaska State Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Alaska license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

96% fewer Medicare Part D claims than the average psychiatry physician in 2024

42 Medicare Part D claims for 18 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Derrick Manzlak42
  2. Specialty average1,010

Most prescribed

  1. Zolpidem Tartrate16 claims
  2. Clonazepam13 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.

One hospital or facility affiliation

  1. Alaska Native Tribal Health ConsortiumAnchorage, AK

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Psychiatry Physician providers in Alaska

There are 112 psychiatry physician records in Alaska.

Other psychiatry physician records in Alaska

  1. Michael Able, MDJoint Base Elmendorf Richardson, AK1417415332
  2. Michael Alcorn, M.D.Anchorage, AK1760547210
  3. Jamie Alexander, D.O.Palmer, AK1700382363
  4. Daniel Allen, M.D.Anchorage, AK1033433172
  5. Carl Astbury, D.O.Anchorage, AK1124415823
  6. Joanna Bacareza, ANPAnchorage, AK1972135697
  7. Mikki Barker, D.O.Fairbanks, AK1639240740
  8. Victor Bell, MDFairbanks, AK1376538728
  9. Jonathan Benaknin, DOAnchorage, AK1992987655
  10. Amber Benton, MDAnchorage, AK1669883146

Common questions

What is Derrick Manzlak, M.D.'s NPI number?

Derrick Manzlak, M.D.'s National Provider Identifier (NPI) is 1235429457, issued on Apr 8, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Derrick Manzlak, M.D. located?

The NPPES record lists a practice address at 3976 University Lake Dr Ste 100, Anchorage, AK, 99508. Phone: (907) 729-8141. Providers update this record themselves, so call before visiting.

How can I verify Derrick Manzlak, M.D.'s license?

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 Derrick Manzlak, M.D. prescribe under Medicare Part D?

In 2024, Derrick Manzlak, M.D. had 42 Medicare Part D claims for 18 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.