Walter Chatham
Rheumatology Physician · Las Vegas, NV
Walter Chatham is a rheumatology physician with a practice address in Las Vegas, Nevada, and NPI 1154363315, issued on Jun 12, 2006. Check the license on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Walter Chatham
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 12575 AL
Self-reported in NPPES; status is on the state search - Practice location
- 1707 W Charleston Blvd Ste 230, Las Vegas, NV 89102
- Phone
- (702) 671-6469
- Enumerated
- Jun 12, 2006
- Record last updated
- Jun 30, 2023
- Medicare enrollment
- Enrolled (PECOS I20230703000508); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 44 in Nevada → Look up another NPI →
Also registered at 1707 W Charleston Blvd Ste 230
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Walter Chatham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNevada State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average rheumatology physician in 2024
665 Medicare Part D claims for 135 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Hydroxychloroquine Sulfate201 claims
- Methotrexate98 claims
- Prednisone84 claims
- Ibuprofen18 claims
- Leflunomide16 claims
- Duloxetine Hcl15 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: $9,038.25
46 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 4,486 providers of this specialty with any payment received $8,538.33 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
- Unlv MedicineLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Walter Chatham among 44 rheumatology physician records in Nevada
Walter Chatham is one of 44 rheumatology physician records with a practice address in Nevada. 84% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 64% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1980 · median 2005 among the 27 with a school on file
- Record last updated2023 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Nevada
There are 44 rheumatology physician records in Nevada.
All 44 in Nevada → Every provider in Las Vegas → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Neil Braunstein, MDLas Vegas, NV 891021265434716
- Yvonne Lee, MDLas Vegas, NV 891021891224168
- Hae Ran Rhim-Kim, MDLas Vegas, NV 891021922024165
- Sandra Pagnussat, M.D.Las Vegas, NV 891031841491917
- Jaya Prasad, M.D.Las Vegas, NV 891031861501595
- Sonya Mehta, MDLas Vegas, NV 891131861873564
- Gita Verma, M.D.Las Vegas, NV 891131871850404
- Marven Gerel Cabling, MDLas Vegas, NV 891181063674265
Common questions
What is Walter Chatham's NPI number?
Walter Chatham's National Provider Identifier (NPI) is 1154363315, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Walter Chatham located?
The NPPES record lists a practice address at 1707 W Charleston Blvd Ste 230, Las Vegas, NV, 89102. Phone: (702) 671-6469. Providers update this record themselves, so call before visiting.
How can I verify Walter Chatham's license?
Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Walter Chatham prescribe under Medicare Part D?
In 2024, Walter Chatham had 665 Medicare Part D claims for 135 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.