NPPES file of Aug 9, 2026

Otto Frederick Tidwell, D.D.S.

Oral and Maxillofacial Surgery (Dentist) · Rehoboth Beach, DE

Otto Frederick Tidwell, D.D.S. is an oral and maxillofacial surgery (dentist) with a practice address in Rehoboth Beach, Delaware, and NPI 1407803398, issued on May 27, 2006. Check the license with the Delaware 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
1407803398
Name
Otto Frederick Tidwell
Credential
D.D.S.
Primary taxonomy
Oral and Maxillofacial Surgery (Dentist) 1223S0112X
License numbers
DS022622L PA
22DIO1475500 NJ
Self-reported in NPPES; status is on the state search
Practice location
19323 Lighthouse Plaza Blvd, Rehoboth Beach, DE 19971
Phone
(302) 226-1606
Enumerated
May 27, 2006
Record last updated
Jan 14, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(302) 226-1609
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.
Download card Updates feed

Verify Otto Frederick Tidwell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Delaware board licenses this professionCheck 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 Delaware 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.1 times the Medicare Part D claims of the average oral and maxillofacial surgery (dentist) in 2024

855 Medicare Part D claims for 334 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 232 claims were for opioids.

  1. Otto Tidwell855
  2. Specialty average406

Most prescribed

  1. Amoxicillin288 claims
  2. Ibuprofen258 claims
  3. Hydrocodone-Acetaminophen219 claims
  4. Clindamycin Hcl58 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.

Otto Frederick Tidwell among 33 oral and maxillofacial surgery (dentist) records in Delaware

Otto Frederick Tidwell, D.D.S. is one of 33 oral and maxillofacial surgery (dentist) records with a practice address in Delaware. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 67% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 21% of these records are
  • Record last updated2014 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oral and Maxillofacial Surgery (Dentist) providers in Delaware

There are 33 oral and maxillofacial surgery (dentist) records in Delaware.

The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes

  1. Frank Falcone, D.M.D.Rehoboth Beach, DE 199711497774905
  2. Michael Cahoon, DMDLewes, DE 199581043202039
  3. Bruce Fisher, M.D., D.M.D.Lewes, DE 199581679610695
  4. Norman Lippman, DDSDover, DE 199041437250008
  5. Nicholas Alcorn, D.M.D.Dover, DE 199011831458207
  6. Jennifer CaugheyDover, DE 199011114488772
  7. Douglas Ditty, M.D., D.M.D.Dover, DE 199011033257530
  8. Franklin Pancko, DDSDover, DE 199011144462649

Common questions

What is Otto Frederick Tidwell, D.D.S.'s NPI number?

Otto Frederick Tidwell, D.D.S.'s National Provider Identifier (NPI) is 1407803398, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Otto Frederick Tidwell, D.D.S. located?

The NPPES record lists a practice address at 19323 Lighthouse Plaza Blvd, Rehoboth Beach, DE, 19971. Phone: (302) 226-1606. Providers update this record themselves, so call before visiting.

How can I verify Otto Frederick Tidwell, D.D.S.'s license?

Search the Delaware board that licenses this profession; the NPPES record confirms identity only.

How much does Otto Frederick Tidwell, D.D.S. prescribe under Medicare Part D?

In 2024, Otto Frederick Tidwell, D.D.S. had 855 Medicare Part D claims for 334 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.