Robert Mark Simpson, D.D.S.
Dentist · Oklahoma City, OK
Robert Mark Simpson, D.D.S. is a dentist with a practice address in Oklahoma City, Oklahoma, and NPI 1053607556, issued on Jun 22, 2011. Check the license (Oklahoma 6300, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Mark Simpson
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 6300 OK
Self-reported in NPPES; status is on the state search - Practice location
- 12109 Willow Way, Oklahoma City, OK 73162
- Phone
- (405) 820-6036
- Enumerated
- Jun 22, 2011
- Record last updated
- Jun 22, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,058 in Oklahoma → Look up another NPI →
Verify Robert Mark Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 6300Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average dentist in 2024
252 Medicare Part D claims for 98 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 50 claims were for opioids.
Most prescribed
- Amoxicillin65 claims
- Ibuprofen64 claims
- Hydrocodone-Acetaminophen42 claims
- Clindamycin Hcl23 claims
- Pilocarpine Hcl12 claims
- Azithromycin11 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: $247.75
8 payments; by number, the most common kind was food and beverage; the largest payer was Align Technology, 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.
Robert Mark Simpson among 1,058 dentist records in Oklahoma
Robert Mark Simpson, D.D.S. is one of 1,058 dentist records with a practice address in Oklahoma. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 46% of them.
- NPI issued2011 · 46% of these records are older, 51% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2011 · 63% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
249 dentist records list a practice address in Oklahoma City
They are 249 of the 22,359 NPPES records with a practice address in Oklahoma City, and 1,058 dentist records in Oklahoma.
All 1,058 in Oklahoma → Every provider in Oklahoma City → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Stephen Brockbank, DDSOklahoma City, OK 731621194515668
- Lynne Dunham, DDSOklahoma City, OK 731621154708600
- Brian Howell, DDSOklahoma City, OK 731621093206823
- Priyanka Kulkarni, D.D.S.Oklahoma City, OK 731621487090171
- David Lawrence, D.D.S.Oklahoma City, OK 731621184073637
- Daniel Na, DDSOklahoma City, OK 731621851872204
- Ali Sammour, DDSOklahoma City, OK 731621306739388
- Alanzo ArisMoore, OK 731601053101089
Common questions
What is Robert Mark Simpson, D.D.S.'s NPI number?
Robert Mark Simpson, D.D.S.'s National Provider Identifier (NPI) is 1053607556, issued on Jun 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Robert Mark Simpson, D.D.S. located?
The NPPES record lists a practice address at 12109 Willow Way, Oklahoma City, OK, 73162. Phone: (405) 820-6036. Providers update this record themselves, so call before visiting.
How can I verify Robert Mark Simpson, D.D.S.'s license?
NPPES lists Oklahoma license number 6300, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Mark Simpson, D.D.S. prescribe under Medicare Part D?
In 2024, Robert Mark Simpson, D.D.S. had 252 Medicare Part D claims for 98 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.