Nathaniel T. Nicholson, D.D.S., M.S.
Endodontics · Pasadena, MD
Nathaniel T. Nicholson, D.D.S., M.S. is an endodontics with a practice address in Pasadena, Maryland, and NPI 1417182916, issued on May 27, 2009. Check the license (Maryland 15392, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nathaniel T. Nicholson
- Credential
- D.D.S., M.S.
- Primary taxonomy
- Endodontics 1223E0200X
- License numbers
- 15392 MD
3860 WV
Self-reported in NPPES; status is on the state search - Practice location
- 8221 Ritchie Hwy Ste 201, Pasadena, MD 21122
- Phone
- (410) 647-3453
- Enumerated
- May 27, 2009
- Record last updated
- Nov 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (410) 647-3454
- Entity
- Type 1 · individual
8 nearest endodontics records → All 165 in Maryland → Look up another NPI →
Also registered at 8221 Ritchie Hwy Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Titi AsmaraEndodontics1407561996
- Anthony Shahata, DMDEndodontics1336889757
Verify Nathaniel T. Nicholson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 15392Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average endodontics in 2024
30 Medicare Part D claims for 27 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin19 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.
Industry payments in 2024: $767.68
3 payments; by number, the most common kind was food and beverage; the largest payer was A-dec, Inc. The 2,057 providers of this specialty with any payment received $49,739.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Nathaniel T. Nicholson among 165 endodontics records in Maryland
Nathaniel T. Nicholson, D.D.S., M.S. is one of 165 endodontics records with a practice address in Maryland. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 35% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in Maryland
There are 165 endodontics records in Maryland.
All 165 in Maryland → Every provider in Pasadena → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Titi AsmaraPasadena, MD 211221407561996
- Michelle Hack, D.D.S.Pasadena, MD 211221467763763
- Kenneth Mangano, D.D.S.Pasadena, MD 211221255332391
- Anthony Shahata, DMDPasadena, MD 211221336889757
- David Body, D.M.D.Owings Mills, MD 211171467892299
- Dong Lee, D.M.DOwings Mills, MD 211171245217447
- Dennis Levinson, D.D.S.,P.A.Owings Mills, MD 211171639345895
- Melvin Weissburg, D.M.DSeverna Park, MD 211461760415616
Common questions
What is Nathaniel T. Nicholson, D.D.S., M.S.'s NPI number?
Nathaniel T. Nicholson, D.D.S., M.S.'s National Provider Identifier (NPI) is 1417182916, issued on May 27, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel T. Nicholson, D.D.S., M.S. located?
The NPPES record lists a practice address at 8221 Ritchie Hwy Ste 201, Pasadena, MD, 21122. Phone: (410) 647-3453. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel T. Nicholson, D.D.S., M.S.'s license?
NPPES lists Maryland license number 15392, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Nathaniel T. Nicholson, D.D.S., M.S. prescribe under Medicare Part D?
In 2024, Nathaniel T. Nicholson, D.D.S., M.S. had 30 Medicare Part D claims for 27 beneficiaries; the average among endodontics prescribers was 121. 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.