NPPES file of Aug 9, 2026

John C. Graybeal, DDS

General Practice Dentistry · Columbia, MD

John C. Graybeal, DDS is a general practice dentistry with a practice address in Columbia, Maryland, and NPI 1528119815, issued on Jan 15, 2007. Check the license (Maryland 7582, as entered in NPPES) with the Maryland 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
1528119815
Name
John C. Graybeal
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
7582 MD
Self-reported in NPPES; status is on the state search
Practice location
10778 Hickory Ridge RD, Columbia, MD 21044
Phone
(410) 997-9494
Enumerated
Jan 15, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(410) 715-3740
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.
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Verify John C. Graybeal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 7582
    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 Maryland license search

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7% more Medicare Part D claims than the average general practice dentistry in 2024

89 Medicare Part D claims for 58 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. John Graybeal89
  2. Specialty average83

Most prescribed

  1. Amoxicillin38 claims
  2. Clindamycin Hcl19 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: $135.39

2 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie 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.

  1. John Graybeal$135.39
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

John C. Graybeal among 2,408 general practice dentistry records in Maryland

John C. Graybeal, DDS is one of 2,408 general practice dentistry records with a practice address in Maryland. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 28% of them.

  • NPI issued2007 · 28% of these records are older, 45% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 72% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

67 general practice dentistry records list a practice address in Columbia

They are 67 of the 6,690 NPPES records with a practice address in Columbia, and 2,408 general practice dentistry records in Maryland.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Thomas England, DMDColumbia, MD 210441346388840
  2. George Garbis, DDSColumbia, MD 210441114080678
  3. Edward Gillis, DDSColumbia, MD 210441164427688
  4. John HilbertColumbia, MD 210441932251675
  5. Stanley Park, D.D.SColumbia, MD 210441285798306
  6. Joel Parran, D.D.S.Columbia, MD 210441992728166
  7. Lara Philippi, D.M.D.Columbia, MD 210441780779660
  8. Kristine Quinto, D.M.D.Columbia, MD 210441760543417

Common questions

What is John C. Graybeal, DDS's NPI number?

John C. Graybeal, DDS's National Provider Identifier (NPI) is 1528119815, issued on Jan 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John C. Graybeal, DDS located?

The NPPES record lists a practice address at 10778 Hickory Ridge RD, Columbia, MD, 21044. Phone: (410) 997-9494. Providers update this record themselves, so call before visiting.

How can I verify John C. Graybeal, DDS's license?

NPPES lists Maryland license number 7582, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does John C. Graybeal, DDS prescribe under Medicare Part D?

In 2024, John C. Graybeal, DDS had 89 Medicare Part D claims for 58 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.