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DR. CHARLES DYER DISKIN M.D.
NPI 1326458498
Internal Medicine - Nephrology in Opelika, AL

Active since April 29, 2014PECOS EnrolledAccepts Medicare Assignment
35.27/100
CMS Quality Rating
121 N 20TH ST STE 20A, OPELIKA, AL 36801(334) 749-6523(334) 742-0242 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 19, 2026, May 20, 2022 (2 updates tracked since 2022).

About Dr. Charles Dyer Diskin M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CHARLES DYER DISKIN M.D. (NPI 1326458498) is an individual nephrology provider in Opelika, Alabama, licensed in Alabama (38096) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1326458498
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. CHARLES DYER DISKINCredential: M.D.
Location Address121 N 20TH ST STE 20AOpelika, AL 36801-5456
Mailing Address121 N 20th St Ste 20aOpelika, AL 36801-5456 · (334) 749-6523 · Fax (334) 742-0242
Phone(334) 749-6523
Fax(334) 742-0242
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateApril 29, 2014
Last NPPES UpdateMarch 19, 20262 updates tracked since enumeration
NPPES CertifiedMarch 19, 2026
✔ NPI 1326458498 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in AL · 38096
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
121 N 20TH ST STE 20A, Opelika, AL 36801
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Charles Dyer Diskin M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527491653
PECOS Enrollment IDI20191204001145
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
233 services98 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
116 services56 patients
Dialysis services, 2-3 physician visits per month (20 years or older) 90961
Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.
84 services60 patients
Hemodialysis procedure with physician evaluation 90935
Hemodialysis is a treatment that uses a machine to filter waste and excess fluid from your blood when your kidneys can't. A physician checks your health before, during, and after the procedure to ensure it's working effectively for you.
77 services40 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
35 services32 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
33 services30 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.31 typical visit price
range $52.65 – $161.63
Typical copayment $30.57 (range $13.16 – $40.40)
Most-billed visit code 99204
Established Patient
$93.72 typical visit price
range $16.56 – $131.65
Typical copayment $23.43 (range $4.14 – $32.91)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

35.27/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality20
Improvement Activities0
Cost57.58

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
1 supplier15 claims15 services$12.58 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HYPERTENSION & NEPHROLOGY
Internal Medicine (Nephrology)
121 N 20TH ST STE 20A
OPELIKA, AL 36801
Lee County (334) 749-6523
DR. SHAHZAD KHAN SIDDIQUE M.D.
Internal Medicine (Nephrology)
121 N 20TH ST STE 20A
OPELIKA, AL 36801
Lee County (334) 749-6523
DR. GAUTAM YADLA MD
Internal Medicine (Nephrology)
121 N 20TH ST STE 20A
OPELIKA, AL 36801
Lee County (334) 749-6423
KRISTA THREATT
Nurse Practitioner
121 N 20TH ST STE 20A
OPELIKA, AL 36801
Lee County (334) 749-6523

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Charles Diskin's NPI number?

The NPI number for Charles Diskin is 1326458498. It was assigned to this individual provider in the NPPES registry on April 29, 2014.

Where is Charles Diskin located?

Charles Diskin practices at 121 N 20th St Ste 20A, Opelika, AL 36801. The listed phone number is (334) 749-6523.

What is Charles Diskin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Charles Diskin enrolled in Medicare?

Yes. Charles Diskin is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Charles Diskin accept?

Health plans from Blue Cross and Blue Shield of Alabama list Charles Diskin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Charles Diskin was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.