Sydney Page Harnden Larsen, DMD
Dentist · Huntsville, AL
Sydney Page Harnden Larsen, DMD is a dentist with a practice address in Huntsville, Alabama, and NPI 1407449937, issued on Feb 16, 2021. Check the license (Alabama 6925, as entered in NPPES) with the Alabama board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sydney Page Harnden Larsen
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 6925 AL
Self-reported in NPPES; status is on the state search - Practice location
- 4000 Balmoral Dr SW Ste 102, Huntsville, AL 35801
- Phone
- (256) 429-3870
- Enumerated
- Feb 16, 2021
- Record last updated
- Jul 2, 2026
- Entity
- Type 1 · individual
8 nearest dentist records → All 841 in Alabama → Look up another NPI →
Verify Sydney Page Harnden Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Alabama board licenses this profession
Search for license 6925Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average dentist in 2024
16 Medicare Part D claims for 12 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
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.
Sydney Page Harnden Larsen among 841 dentist records in Alabama
Sydney Page Harnden Larsen, DMD is one of 841 dentist records with a practice address in Alabama. 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 2021, is newer than 78% of them.
- NPI issued2021 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Alabama
There are 841 dentist records in Alabama.
All 841 in Alabama → Every provider in Huntsville → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- John Booth, DDSHuntsville, AL 358011992871297
- Angela Fennell, DMDHuntsville, AL 358011699772814
- Stacey Gardner, DMDHuntsville, AL 358011487776308
- James Guy, DMDHuntsville, AL 358011992899173
- Lawrence Hendrix, DMDHuntsville, AL 358011366596496
- Mia Irby, DMDHuntsville, AL 358011659310027
- Matthew Limbaugh, DMDHuntsville, AL 358011457440224
- Ramsay Nuwayhid, D.M.D.Huntsville, AL 358011962425371
Common questions
What is Sydney Page Harnden Larsen, DMD's NPI number?
Sydney Page Harnden Larsen, DMD's National Provider Identifier (NPI) is 1407449937, issued on Feb 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Sydney Page Harnden Larsen, DMD located?
The NPPES record lists a practice address at 4000 Balmoral Dr SW Ste 102, Huntsville, AL, 35801. Phone: (256) 429-3870. Providers update this record themselves, so call before visiting.
How can I verify Sydney Page Harnden Larsen, DMD's license?
NPPES lists Alabama license number 6925, as entered by the provider. Search the Alabama board that licenses this profession; the NPPES record confirms identity only.
How much does Sydney Page Harnden Larsen, DMD prescribe under Medicare Part D?
In 2024, Sydney Page Harnden Larsen, DMD had 16 Medicare Part D claims for 12 beneficiaries; the average among dentist prescribers was 86. 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.