Charles Frederick Opalak, M.D.
Neurological Surgery Physician · Greenville, SC
Charles Frederick Opalak, M.D. is a neurological surgery physician with a practice address in Greenville, South Carolina, and NPI 1821484882, issued on Apr 7, 2015. Check the license (South Carolina 87499, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Charles Frederick Opalak
- Credential
- M.D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- 87499 SC
Self-reported in NPPES; status is on the state search - Practice location
- 111 Doctors Dr, Greenville, SC 29605
- Phone
- (864) 797-7150
- Enumerated
- Apr 7, 2015
- Record last updated
- Oct 24, 2023
- Fax
- (864) 797-7155
- Medicare enrollment
- Enrolled (PECOS I20220730000003); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 127 in South Carolina → Look up another NPI →
Also registered at 111 Doctors Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelsey Andersson, DPTPhysical Therapist1225595275
- Daphne Areephanthu, APRNFamily Nurse Practitioner1073104790
- Daniel AtkinsonPain Medicine (Anesthesiology) Physician1679983811
- Michael Barnes, PT, MPT, OCSPhysical Therapist1285644435
- Pauline Bellos, PA-CMedical Physician Assistant1275545907
- Avery CallawaySurgical Physician Assistant1912696956
Verify Charles Frederick Opalak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 87499Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% more Medicare Part D claims than the average neurological surgery physician in 2024
305 Medicare Part D claims for 61 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. 144 claims were for opioids.
Most prescribed
- Oxycodone Hcl102 claims
- Diazepam33 claims
- Hydrocodone-Acetaminophen25 claims
- Methocarbamol25 claims
- Gabapentin21 claims
- Tizanidine Hcl21 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: $32.93
1 payment: food and beverage; the largest payer was Providence Medical Technology, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 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
- Prisma Health University Medical GroupGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles Frederick Opalak among 127 neurological surgery physician records in South Carolina
Charles Frederick Opalak, M.D. is one of 127 neurological surgery physician records with a practice address in South Carolina. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 71% of them.
- NPI issued2015 · 71% of these records are older, 24% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2005 among the 80 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in South Carolina
There are 127 neurological surgery physician records in South Carolina.
All 127 in South Carolina → Every provider in Greenville → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Lacey Carter, M.D.Greenville, SC 296051427436203
- Gregoire Chatain, MDGreenville, SC 296051174056287
- Stephen Gardner, M.DGreenville, SC 296051811992035
- Philip Hodge, M.D.Greenville, SC 296051720083926
- Charles Kanos, M.D.Greenville, SC 296051730184920
- Michael Lynn, MDGreenville, SC 296051962585836
- Alfred Nelson, M.D.Greenville, SC 296051962407171
- Thomas O'Lynnger, MDGreenville, SC 296051093031916
Common questions
What is Charles Frederick Opalak, M.D.'s NPI number?
Charles Frederick Opalak, M.D.'s National Provider Identifier (NPI) is 1821484882, issued on Apr 7, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Charles Frederick Opalak, M.D. located?
The NPPES record lists a practice address at 111 Doctors Dr, Greenville, SC, 29605. Phone: (864) 797-7150. Providers update this record themselves, so call before visiting.
How can I verify Charles Frederick Opalak, M.D.'s license?
NPPES lists South Carolina license number 87499, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles Frederick Opalak, M.D. prescribe under Medicare Part D?
In 2024, Charles Frederick Opalak, M.D. had 305 Medicare Part D claims for 61 beneficiaries; the average among neurological surgery physician prescribers was 172. 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.