NPPES file of Aug 9, 2026

Charles Frederick Grannum, MD

Prosthodontics · Brooklyn, NY

Charles Frederick Grannum, MD is a prosthodontics with a practice address in Brooklyn, New York, and NPI 1205904208, issued on Nov 30, 2006. Check the license (New York 040024, as entered in NPPES) with the New York 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
1205904208
Name
Charles Frederick Grannum
Credential
MD
Primary taxonomy
Prosthodontics 1223P0700X
License number
040024 NY
Self-reported in NPPES; status is on the state search
Practice location
1536 Bedford Ave, Brooklyn, NY 11216
Phone
(800) 376-5566
Enumerated
Nov 30, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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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Also registered at 1536 Bedford Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mirjeta Spirollari, D.D.S.Dentist1720005689

Verify Charles Frederick Grannum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this profession
    Search for license 040024
    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
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41% fewer Medicare Part D claims than the average prosthodontics in 2024

53 Medicare Part D claims for 23 beneficiaries, against an average of 90 among the 1,779 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Charles Grannum53
  2. Specialty average90

Most prescribed

  1. Chlorhexidine Gluconate51 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: $46.99

1 payment: gift; the largest payer was Ultradent Products Inc. The 1,408 providers of this specialty with any payment received $3,465.28 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Grannum$46.99
  2. Specialty average$3,465.28

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

Charles Frederick Grannum among 425 prosthodontics records in New York

Charles Frederick Grannum, MD is one of 425 prosthodontics records with a practice address in New York. 65% 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 1% of them.

  • NPI issued2006 · 1% of these records are older, 79% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% 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 1223P0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Prosthodontics providers in New York

There are 425 prosthodontics records in New York.

The 8 prosthodontics records with the nearest ZIP codes

  1. Louis De Santis, DDSBrooklyn, NY 112151447321096
  2. Yatin Khanna, DDSBrooklyn, NY 112151205049707
  3. Bernadette Sawa, DDSBrooklyn, NY 112181841501830
  4. Alan Broner, D.D.S.Brooklyn, NY 112131790992022
  5. John Cavallaro, DDSBrooklyn, NY 112231477868974
  6. Antoine Chiha, D.D.SBrooklyn, NY 112091295723203
  7. Jacob Lieberman, DDSBrooklyn, NY 112091679527972
  8. Joseph Maniscalco, DDSBrooklyn, NY 112091093951360

Common questions

What is Charles Frederick Grannum, MD's NPI number?

Charles Frederick Grannum, MD's National Provider Identifier (NPI) is 1205904208, issued on Nov 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Charles Frederick Grannum, MD located?

The NPPES record lists a practice address at 1536 Bedford Ave, Brooklyn, NY, 11216. Phone: (800) 376-5566. Providers update this record themselves, so call before visiting.

How can I verify Charles Frederick Grannum, MD's license?

NPPES lists New York license number 040024, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.

How much does Charles Frederick Grannum, MD prescribe under Medicare Part D?

In 2024, Charles Frederick Grannum, MD had 53 Medicare Part D claims for 23 beneficiaries; the average among prosthodontics prescribers was 90. 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.