Keith R. Marshall, D.D.S.
General Practice Dentistry · New York, NY
Keith R. Marshall, D.D.S. is a general practice dentistry with a practice address in New York, New York, and NPI 1902996242, issued on Oct 16, 2006. Check the license (New York 034442, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Keith R. Marshall
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 034442 NY
Self-reported in NPPES; status is on the state search - Practice location
- 38 Gramercy Park N, New York, NY 10010
- Phone
- (212) 475-8038
- Enumerated
- Oct 16, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 475-0486
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 7,828 in New York → Look up another NPI →
Also registered at 38 Gramercy Park N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Keith R. Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 034442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average general practice dentistry in 2024
39 Medicare Part D claims for 23 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin15 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: $56.35
2 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
Keith R. Marshall among 7,828 general practice dentistry records in New York
Keith R. Marshall, D.D.S. is one of 7,828 general practice dentistry records with a practice address in New York. 60% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 65% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,248 general practice dentistry records list a practice address in New York
They are 1,248 of the 98,468 NPPES records with a practice address in New York, and 7,828 general practice dentistry records in New York.
All 7,828 in New York → Every provider in New York → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
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- Clara Lee, DDSNew York, NY 100101447249792
Common questions
What is Keith R. Marshall, D.D.S.'s NPI number?
Keith R. Marshall, D.D.S.'s National Provider Identifier (NPI) is 1902996242, issued on Oct 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keith R. Marshall, D.D.S. located?
The NPPES record lists a practice address at 38 Gramercy Park N, New York, NY, 10010. Phone: (212) 475-8038. Providers update this record themselves, so call before visiting.
How can I verify Keith R. Marshall, D.D.S.'s license?
NPPES lists New York license number 034442, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
How much does Keith R. Marshall, D.D.S. prescribe under Medicare Part D?
In 2024, Keith R. Marshall, D.D.S. had 39 Medicare Part D claims for 23 beneficiaries; the average among general practice dentistry prescribers was 83. 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.