Megan Renee Ratterman, D.O.
Hematology & Oncology Physician · Sheridan, WY
Megan Renee Ratterman, D.O. is a hematology & oncology physician with a practice address in Sheridan, Wyoming, and NPI 1407145683, issued on Mar 28, 2011. Check the license (Wyoming 11132A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Megan Renee Ratterman
- Credential
- D.O.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 11132A WY
125.059595 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1401 W 5TH St, Sheridan, WY 82801
- Phone
- (307) 674-6022
- Enumerated
- Mar 28, 2011
- Record last updated
- Oct 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20170818000090); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 12 in Wyoming → Look up another NPI →
Also registered at 1401 W 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Addlesperger, DOEmergency Medicine Physician1811036999
- Daniel Alzheimer, M.D.Diagnostic Radiology Physician1235134438
- Paige AsbellPhysician Assistant1649191321
- Luke Aust, PHARMDPharmacist1811833627
- Nina Beach, FNPFamily Nurse Practitioner1639261555
- Andi Bell, LCSWClinical Social Worker1366698292
Verify Megan Renee Ratterman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 11132ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
674 Medicare Part D claims for 130 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 41 claims were for opioids.
Most prescribed
- Acyclovir46 claims
- Anastrozole45 claims
- Tamoxifen Citrate44 claims
- Hydroxyurea35 claims
- Prednisone26 claims
- Sulfamethoxazole-Trimethoprim25 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 96.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $15.00
1 payment: education; the largest payer was Aveo Pharmaceuticals, Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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
- Memorial Hospital OF Sheridan CountySheridan, WY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Megan Renee Ratterman among 12 hematology & oncology physician records in Wyoming
Megan Renee Ratterman, D.O. is one of 12 hematology & oncology physician records with a practice address in Wyoming. 100% 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 83% of them.
- NPI issued2011 · 83% of these records are older, 8% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Wyoming practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Wyoming
There are 12 hematology & oncology physician records in Wyoming.
All 12 in Wyoming → Every provider in Sheridan → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Gregory Marino, DOSheridan, WY 828011023054285
- Philip McMahill, M.D.Gillette, WY 827161013968304
- Diane Henshaw, MDCasper, WY 826091912939182
- Clinton Merrill, M.D.Lander, WY 825201992707285
- Carletta Collins, MDPowell, WY 824351740337617
- Sameh Abuerreish, MDWorland, WY 824011447246202
- Maristela Batezini, M.D.Cheyenne, WY 820011225085392
- Mohamed El-Tarabily, MDCheyenne, WY 820011467418905
Common questions
What is Megan Renee Ratterman, D.O.'s NPI number?
Megan Renee Ratterman, D.O.'s National Provider Identifier (NPI) is 1407145683, issued on Mar 28, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Megan Renee Ratterman, D.O. located?
The NPPES record lists a practice address at 1401 W 5TH St, Sheridan, WY, 82801. Phone: (307) 674-6022. Providers update this record themselves, so call before visiting.
How can I verify Megan Renee Ratterman, D.O.'s license?
NPPES lists Wyoming license number 11132A, as entered by the provider. Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Megan Renee Ratterman, D.O. prescribe under Medicare Part D?
In 2024, Megan Renee Ratterman, D.O. had 674 Medicare Part D claims for 130 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Megan Renee Ratterman, D.O.'s MIPS final score?
The 2023 MIPS final score is 96.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.