Gregory A. Libby, D.D.S.
Prosthodontics · Phoenix, AZ
Gregory A. Libby, D.D.S. is a prosthodontics with a practice address in Phoenix, Arizona, and NPI 1124123005, issued on Sep 14, 2006. Check the license (Arizona 5457, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory A. Libby
- Credential
- D.D.S.
- Primary taxonomy
- Prosthodontics 1223P0700X
- License number
- 5457 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 20950 N Tatum Blvd Ste 340, Phoenix, AZ 85050
- Phone
- (480) 502-9833
- Enumerated
- Sep 14, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (480) 502-9847
- Entity
- Type 1 · individual
8 nearest prosthodontics records → All 59 in Arizona → Look up another NPI →
Verify Gregory A. Libby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 5457Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average prosthodontics in 2024
23 Medicare Part D claims for 18 beneficiaries, against an average of 90 among the 1,779 providers of this specialty who prescribed in Part D.
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: $34.52
2 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory A. Libby among 59 prosthodontics records in Arizona
Gregory A. Libby, D.D.S. is one of 59 prosthodontics records with a practice address in Arizona. 47% 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, 58% newer
- In a Medicare fileYes · 47% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2007 · 68% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Prosthodontics providers in Arizona
There are 59 prosthodontics records in Arizona.
All 59 in Arizona → Every provider in Phoenix → Prosthodontics nationwide →
The 8 prosthodontics records with the nearest ZIP codes
- Ramin Damadzadeh, DDSPhoenix, AZ 850311568471035
- Patrick Canaday, DDS PCPhoenix, AZ 850291437201373
- George Eifler, D.D.S., M.S.Phoenix, AZ 850281902869886
- Tim Avedovech, DDSPhoenix, AZ 850181225182090
- Anna Seydel, DDSPhoenix, AZ 850161144933318
- Jonathan Bensoussan, DDSPhoenix, AZ 850121831607845
- Douglas BentingPhoenix, AZ 850121326448309
- Paul Marischen, DDSPhoenix, AZ 850121932238664
Common questions
What is Gregory A. Libby, D.D.S.'s NPI number?
Gregory A. Libby, D.D.S.'s National Provider Identifier (NPI) is 1124123005, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory A. Libby, D.D.S. located?
The NPPES record lists a practice address at 20950 N Tatum Blvd Ste 340, Phoenix, AZ, 85050. Phone: (480) 502-9833. Providers update this record themselves, so call before visiting.
How can I verify Gregory A. Libby, D.D.S.'s license?
NPPES lists Arizona license number 5457, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory A. Libby, D.D.S. prescribe under Medicare Part D?
In 2024, Gregory A. Libby, D.D.S. had 23 Medicare Part D claims for 18 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.