NPPES file of Aug 9, 2026

David Hardt, O.D.

Optometrist · Saipan, MP

David Hardt, O.D. is an optometrist with a practice address in Saipan, Northern Mariana Islands, and NPI 1437270295, issued on Apr 2, 2007. Check the license (Northern Mariana Islands 5, as entered in NPPES) with the Northern Mariana Islands board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437270295
Name
David Hardt
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
5 MP
Self-reported in NPPES; status is on the state search
Practice location
Amparo Building, Beach Road, Saipan, MP 96950
Phone
(670) 235-2030
Enumerated
Apr 2, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(670) 235-2033
Medicaid ID
3R-014 MP
Medicare enrollment
Enrolled (PECOS I20040526000068); accepts Medicare assignment
Medical or professional school
University Of California - School Of Optometry, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at Amparo Building, Beach Road

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Donald Hardt, O.D.Optometrist1609997477

Verify David Hardt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Northern Mariana Islands board licenses this profession
    Search for license 5
    Check 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
Find the Northern Mariana Islands license search

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77% fewer Medicare Part D claims than the average optometrist in 2024

65 Medicare Part D claims for 17 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 38% of claims.

  1. David Hardt65
  2. Specialty average277

Most prescribed

  1. Erythromycin17 claims
  2. Latanoprost16 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

  1. Hardt Eye Clinic IncSaipan, MP

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

3 optometrist records list a practice address in Saipan

They are 3 of the 190 NPPES records with a practice address in Saipan, and 3 optometrist records in Northern Mariana Islands.

The 2 optometrist records with the nearest ZIP codes

  1. Donald Hardt, O.D.Saipan, MP 969501609997477
  2. Mark Robertson, O.D.Saipan, MP 969501720142466

Common questions

What is David Hardt, O.D.'s NPI number?

David Hardt, O.D.'s National Provider Identifier (NPI) is 1437270295, issued on Apr 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David Hardt, O.D. located?

The NPPES record lists a practice address at Amparo Building, Beach Road, Saipan, MP, 96950. Phone: (670) 235-2030. Providers update this record themselves, so call before visiting.

How can I verify David Hardt, O.D.'s license?

NPPES lists Northern Mariana Islands license number 5, as entered by the provider. Search the Northern Mariana Islands board that licenses this profession; the NPPES record confirms identity only.

How much does David Hardt, O.D. prescribe under Medicare Part D?

In 2024, David Hardt, O.D. had 65 Medicare Part D claims for 17 beneficiaries; the average among optometrist prescribers was 277. 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.