Doctor profile · Federal record

Dr. Addason McCaslin, M.D.

Neurology Physician (CMS: Neurology) · Internal Medicine Physician · Vascular Neurology Physician · Student in an Organized Health Care Education/Training Program · Chicago, IL

  • NPI 1083032809
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
244 E Pearson St, Apt 1607
Chicago, IL 606112577
(802) 316-1869
Additional location
200 Patewood Dr Ste B350
Greenville, SC 296156337
(864) 454-4500
Mailing address
1800 Harrison St Fl 7
Oakland, CA 946123466

Credentials & registration

NPPES · NUCC
NPI registered
March 2014 — 12 yrs on file
Profile last updated
December 20, 2021
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (3)
California #A142323 · Illinois #125-065307 · South Carolina #83186

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083032809. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$2,020
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 14 14 $144

In context: peer comparison

Among 86 peers in Chicago Neurology Physician, average services per provider: 171. This provider delivers 0.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
332
Patients
201
Total drug cost
$28,890
Drug Type Claims Patients Total cost
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 137 94 $10,608
Levetiracetam Generic 52 35 $2,584
Carbidopa-Levodopa ER (Carbidopa/Levodopa) Brand 24 16 $2,004
Ajovy Autoinjector (Fremanezumab-Vfrm) Brand 23 12 $9,762
Gabapentin Generic 23 18 $627
Clonazepam Generic 20 13 $444
Primidone Generic 16 13 $867
Amantadine (Amantadine Hcl) Brand 14 0 $703
Phenytoin Sodium Extended Generic 12 0 $856
Divalproex Sodium Generic 11 0 $435

Frequently asked questions

Auto-generated from federal data
What is Dr. Addason McCaslin's medical specialty?
Dr. Addason McCaslin practices Neurology Physician in Chicago, IL.
Where does Dr. Addason McCaslin practice?
Dr. Addason McCaslin practices at 244 E Pearson St, Chicago, IL 606112577. Office phone: 8023161869.
What is Dr. Addason McCaslin's NPI?
Dr. Addason McCaslin's National Provider Identifier (NPI) is 1083032809, issued by NPPES.
Does Dr. Addason McCaslin accept Medicare assignment?
Yes. Dr. Addason McCaslin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Addason McCaslin commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.