Ross Lane Fisher, MD
Internal Medicine Physician · Chickasha, OK
Ross Lane Fisher, MD is an internal medicine physician with a practice address in Chickasha, Oklahoma, and NPI 1568403087, issued on Jun 8, 2006. Check the license (Oklahoma 15687, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; the Medicare figures below come from public CMS files.
- Name
- Ross Lane Fisher
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 15687 OK
Self-reported in NPPES; status is on the state search - Practice location
- 304 S 29TH St, Chickasha, OK 73018
- Phone
- (405) 896-8058
- Enumerated
- Jun 8, 2006
- Record last updated
- Jul 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (855) 223-1999
- Medicare enrollment
- Enrolled (PECOS I20140402000170); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,115 in Oklahoma → Look up another NPI →
Also registered at 304 S 29TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catina Anderson, A-GNP -CAdult Health Nurse Practitioner1811548894
- Andrew Bratton, PT, DPTPhysical Therapist1285917419
- Sara BusterFamily Nurse Practitioner1265972822
- Keely ChapmanPhysical Therapist1952286916
- Jason ClemonsFamily Nurse Practitioner1548678139
- Thomas Essex, D.O.Internal Medicine Physician1689603151
Verify Ross Lane Fisher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
Search for license 15687Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average internal medicine physician in 2024
799 Medicare Part D claims for 110 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Losartan Potassium50 claims
- Levothyroxine Sodium48 claims
- Atorvastatin Calcium41 claims
- Amlodipine Besylate32 claims
- Alprazolam24 claims
- Hydrochlorothiazide22 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: $31.70
2 payments; by number, the most common kind was food and beverage; the largest payer was Xeris Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- South Central Medical And Resource Center IncLindsay, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ross Lane Fisher among 1,115 internal medicine physician records in Oklahoma
Ross Lane Fisher, MD is one of 1,115 internal medicine physician records with a practice address in Oklahoma. 77% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1985 · median 2007 among the 653 with a school on file
- Record last updated2019 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 internal medicine physician records list a practice address in Chickasha
They are 5 of the 354 NPPES records with a practice address in Chickasha, and 1,115 internal medicine physician records in Oklahoma.
All 1,115 in Oklahoma → Every provider in Chickasha → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anupama Bekkem, M.D.Chickasha, OK 730181326074485
- Thomas Essex, D.O.Chickasha, OK 730181689603151
- Karen Maluf, MDChickasha, OK 730181689658601
- John Vallandigham, M.D.Chickasha, OK 730181265438501
- Abraham Garcia Ortega, MDNorman, OK 730191336737691
- Micheal MontgomeryCement, OK 730171588450662
- Audrey Goodwin, MDEdmond, OK 730131952661688
- Daniel Lee, MDEdmond, OK 730131336124056
Common questions
What is Ross Lane Fisher, MD's NPI number?
Ross Lane Fisher, MD's National Provider Identifier (NPI) is 1568403087, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ross Lane Fisher, MD located?
The NPPES record lists a practice address at 304 S 29TH St, Chickasha, OK, 73018. Phone: (405) 896-8058. Providers update this record themselves, so call before visiting.
How can I verify Ross Lane Fisher, MD's license?
NPPES lists Oklahoma license number 15687, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ross Lane Fisher, MD prescribe under Medicare Part D?
In 2024, Ross Lane Fisher, MD had 799 Medicare Part D claims for 110 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.