Charles Groscost, D.M.D.
Dentist · Phoenix, AZ
Charles Groscost, D.M.D. is a dentist with a practice address in Phoenix, Arizona, and NPI 1568819233, issued on May 23, 2016. Check the license (Arizona D009458, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charles Groscost
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- D009458 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4501 N 7TH St, Phoenix, AZ 85014
- Phone
- (602) 845-5730
- Enumerated
- May 23, 2016
- Record last updated
- Sep 14, 2022
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,928 in Arizona → Look up another NPI →
Also registered at 4501 N 7TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lance Taylor, DMDGeneral Practice Dentistry1356235535
Verify Charles Groscost in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license D009458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average dentist in 2024
122 Medicare Part D claims for 76 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin61 claims
- Ibuprofen33 claims
- Chlorhexidine Gluconate13 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: $587.50
17 payments; by number, the most common kind was education; the largest payer was Ortho Organizers, Inc. The 31,974 providers of this specialty with any payment received $540.36 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.
Charles Groscost among 1,928 dentist records in Arizona
Charles Groscost, D.M.D. is one of 1,928 dentist records with a practice address in Arizona. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 66% of them.
- NPI issued2016 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2022 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
399 dentist records list a practice address in Phoenix
They are 399 of the 31,399 NPPES records with a practice address in Phoenix, and 1,928 dentist records in Arizona.
All 1,928 in Arizona → Every provider in Phoenix → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
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- Darwin Davis, D.D.S.Phoenix, AZ 850141437156080
- Dale Davis, DDSPhoenix, AZ 850141659763597
- Lawrence Emmott, DDSPhoenix, AZ 850141366622987
- Karin Hilsabeck, DDSPhoenix, AZ 850141255344495
- Denise Liu, DMDPhoenix, AZ 850141326462573
- Shawn Otteson, DMDPhoenix, AZ 850141952786170
Common questions
What is Charles Groscost, D.M.D.'s NPI number?
Charles Groscost, D.M.D.'s National Provider Identifier (NPI) is 1568819233, issued on May 23, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Charles Groscost, D.M.D. located?
The NPPES record lists a practice address at 4501 N 7TH St, Phoenix, AZ, 85014. Phone: (602) 845-5730. Providers update this record themselves, so call before visiting.
How can I verify Charles Groscost, D.M.D.'s license?
NPPES lists Arizona license number D009458, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Charles Groscost, D.M.D. prescribe under Medicare Part D?
In 2024, Charles Groscost, D.M.D. had 122 Medicare Part D claims for 76 beneficiaries; the average among dentist prescribers was 86. 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.