Robert Anthony Oldham, PAC
Physician Assistant · Antlers, OK
Robert Anthony Oldham, PAC is a physician assistant with a practice address in Antlers, Oklahoma, and NPI 1578554101, issued on Nov 2, 2005. Check the license (Oklahoma 878, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Robert Anthony Oldham
- Credential
- PAC
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 878 OK
Self-reported in NPPES; status is on the state search - Practice location
- 603 NE 2ND St, Antlers, OK 74523
- Phone
- (580) 298-3351
- Enumerated
- Nov 2, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (580) 298-6137
- Medicare enrollment
- Enrolled (PECOS I20040508000347); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,870 in Oklahoma → Look up another NPI →
Also registered at 603 NE 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gerald Flatt, DOFamily Medicine Physician1700877040
- Beth Leader, DOGeneral Practice Physician1891786737
- Stormi McKnight, RNAdult Health Nurse Practitioner1386006120
- Olivia Smith, APRN-CNPFamily Nurse Practitioner1073489217
Verify Robert Anthony Oldham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 878Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average physician assistant in 2024
172 Medicare Part D claims for 111 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Levofloxacin19 claims
- Nitrofurantoin Mono-Macro18 claims
- Azithromycin13 claims
- Sulfamethoxazole-Trimethoprim13 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.
Bills Medicare through 2 group practices
- Rowland Flatt ClinicAntlers, OK
- Rowland Flatt Hugo Rural Health ClinicHugo, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Anthony Oldham among 1,870 physician assistant records in Oklahoma
Robert Anthony Oldham, PAC is one of 1,870 physician assistant records with a practice address in Oklahoma. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1997 · median 2017 among the 1,246 with a school on file
- Record last updated2026 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in Oklahoma
There are 1,870 physician assistant records in Oklahoma.
All 1,870 in Oklahoma → Every provider in Antlers → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Bob Burlison, P.A.-CAtoka, OK 745251710020151
- David Fisher, PA-CAtoka, OK 745251518068501
- Curtis Matzkvech, PA-CAtoka, OK 745251912075474
- Dian Walston, PAAtoka, OK 745251184692410
- Ruth Fereday, PA-CCoalgate, OK 745381336253731
- Rebecca Auld, PAMcAlester, OK 745011972832400
- Grover Compton, PA-CMcAlester, OK 745011043276694
- Ashley Elledge, PACMcAlester, OK 745011093795114
Common questions
What is Robert Anthony Oldham, PAC's NPI number?
Robert Anthony Oldham, PAC's National Provider Identifier (NPI) is 1578554101, issued on Nov 2, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Anthony Oldham, PAC located?
The NPPES record lists a practice address at 603 NE 2ND St, Antlers, OK, 74523. Phone: (580) 298-3351. Providers update this record themselves, so call before visiting.
How can I verify Robert Anthony Oldham, PAC's license?
NPPES lists Oklahoma license number 878, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Robert Anthony Oldham, PAC prescribe under Medicare Part D?
In 2024, Robert Anthony Oldham, PAC had 172 Medicare Part D claims for 111 beneficiaries; the average among physician assistant prescribers was 830. 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.