Carl J. Gassmann, MD, DDS.
Oral and Maxillofacial Surgery (Dentist) · Scottsdale, AZ
Carl J. Gassmann, MD, DDS. is an oral and maxillofacial surgery (dentist) with a practice address in Scottsdale, Arizona, and NPI 1275681330, issued on Jan 8, 2007. Check the license (Arizona D4868, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carl J. Gassmann
- Credential
- MD, DDS.
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License numbers
- D4868 AZ
23387 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 10603 N Hayden RD, Scottsdale, AZ 85260
- Phone
- (480) 922-9933
- Enumerated
- Jan 8, 2007
- Record last updated
- Sep 11, 2025
- Fax
- (480) 607-9120
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 153 in Arizona → Look up another NPI →
Also registered at 10603 N Hayden RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kory Blythe, D.D.SGeneral Practice Dentistry1518186063
- Luke Jacobsen, D.D.S.Dentist1336460104
Verify Carl J. Gassmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license D4868Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
389 Medicare Part D claims for 238 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. 102 claims were for opioids.
Most prescribed
- Amoxicillin216 claims
- Tramadol Hcl70 claims
- Doxycycline Hyclate34 claims
- Hydrocodone-Acetaminophen29 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: $38.54
1 payment: food and beverage; the largest payer was Pacira Pharmaceuticals Incorporated. The 4,075 providers of this specialty with any payment received $1,077.58 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.
Carl J. Gassmann among 153 oral and maxillofacial surgery (dentist) records in Arizona
Carl J. Gassmann, MD, DDS. is one of 153 oral and maxillofacial surgery (dentist) records with a practice address in Arizona. 78% 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 38% of them.
- NPI issued2007 · 38% of these records are older, 44% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral and Maxillofacial Surgery (Dentist) providers in Arizona
There are 153 oral and maxillofacial surgery (dentist) records in Arizona.
All 153 in Arizona → Every provider in Scottsdale → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Vishtasb Broumand, DMD MDScottsdale, AZ 852591467485599
- James Millard, DDSScottsdale, AZ 852621043586704
- Michael Wasson, DDSScottsdale, AZ 852581043440068
- Albert Carlotti, MDScottsdale, AZ 852551790205987
- Eugene Kim, DDSScottsdale, AZ 852551851389225
- Roger Briggs, D.D.S.Scottsdale, AZ 852541568650877
- Gary Gradke, D.D.S.Scottsdale, AZ 852541831213164
- Jayson Kirchhofer, D.M.D., M.D.Scottsdale, AZ 852541427439116
Common questions
What is Carl J. Gassmann, MD, DDS.'s NPI number?
Carl J. Gassmann, MD, DDS.'s National Provider Identifier (NPI) is 1275681330, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Carl J. Gassmann, MD, DDS. located?
The NPPES record lists a practice address at 10603 N Hayden RD, Scottsdale, AZ, 85260. Phone: (480) 922-9933. Providers update this record themselves, so call before visiting.
How can I verify Carl J. Gassmann, MD, DDS.'s license?
NPPES lists Arizona license number D4868, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does Carl J. Gassmann, MD, DDS. prescribe under Medicare Part D?
In 2024, Carl J. Gassmann, MD, DDS. had 389 Medicare Part D claims for 238 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.