Charles Dyer Diskin, M.D.
Nephrology Physician · Opelika, AL
Charles Dyer Diskin, M.D. is a nephrology physician with a practice address in Opelika, Alabama, and NPI 1326458498, issued on Apr 29, 2014. Check the license (Alabama 38096, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Charles Dyer Diskin
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 38096 AL
Self-reported in NPPES; status is on the state search - Practice location
- 121 N 20TH St Ste 20A, Opelika, AL 36801
- Phone
- (334) 749-6523
- Enumerated
- Apr 29, 2014
- Record last updated
- Mar 19, 2026
- Fax
- (334) 742-0242
- Medicare enrollment
- Enrolled (PECOS I20191204001145); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 183 in Alabama → Look up another NPI →
Also registered at 121 N 20TH St Ste 20A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shahzad Siddique, M.D.Nephrology Physician1225229362
- Krista ThreattNurse Practitioner1386538114
- Gautam Yadla, MDNephrology Physician1295396539
Verify Charles Dyer Diskin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 38096Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
59% fewer Medicare Part D claims than the average nephrology physician in 2024
596 Medicare Part D claims for 152 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Farxiga57 claims
- Kerendia49 claims
- Losartan Potassium32 claims
- Carvedilol30 claims
- Pentoxifylline30 claims
- Lisinopril28 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 MIPS final score for 2023 (Medicare payment program): 35.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $792.86
26 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Hypertension And NephrologyOpelika, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Dyer Diskin among 183 nephrology physician records in Alabama
Charles Dyer Diskin, M.D. is one of 183 nephrology physician records with a practice address in Alabama. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.
- NPI issued2014 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated2014 · median 2003 among the 143 with a school on file
- Record last updated2026 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 nephrology physician records list a practice address in Opelika
They are 8 of the 797 NPPES records with a practice address in Opelika, and 183 nephrology physician records in Alabama.
All 183 in Alabama → Every provider in Opelika → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Thomas Carter, DOOpelika, AL 368011366555674
- Linda Dansby, MDOpelika, AL 368011972518546
- Charles Diskin, MDOpelika, AL 368011023122983
- Lautrec Radcliff, MDOpelika, AL 368011801801493
- Shahzad Siddique, M.D.Opelika, AL 368011225229362
- Thomas Stokes, MDOpelika, AL 368011053383265
- Gautam Yadla, MDOpelika, AL 368011295396539
- Thomas Taylor, MDSelma, AL 367011811962509
Common questions
What is Charles Dyer Diskin, M.D.'s NPI number?
Charles Dyer Diskin, M.D.'s National Provider Identifier (NPI) is 1326458498, issued on Apr 29, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Charles Dyer Diskin, M.D. located?
The NPPES record lists a practice address at 121 N 20TH St Ste 20A, Opelika, AL, 36801. Phone: (334) 749-6523. Providers update this record themselves, so call before visiting.
How can I verify Charles Dyer Diskin, M.D.'s license?
NPPES lists Alabama license number 38096, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles Dyer Diskin, M.D. prescribe under Medicare Part D?
In 2024, Charles Dyer Diskin, M.D. had 596 Medicare Part D claims for 152 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Charles Dyer Diskin, M.D.'s MIPS final score?
The 2023 MIPS final score is 35.3 of 100. 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.