Marckenley Isaac, MD
Anesthesiology Physician · Marietta, GA
Marckenley Isaac, MD is an anesthesiology physician with a practice address in Marietta, Georgia, and NPI 1689234106, issued on Jun 17, 2019. Check the license (Georgia 100785, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Marckenley Isaac
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 100785 GA
322523 NY
MT219044 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2540 Windy Hill RD SE, Marietta, GA 30067
- Phone
- (470) 644-1274
- Enumerated
- Jun 17, 2019
- Record last updated
- May 19, 2026
- Medicare enrollment
- Enrolled (PECOS I20240722003520); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,410 in Georgia → Look up another NPI →
Also registered at 2540 Windy Hill RD SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Thomas Arrington, CCSH, RPSGT, RSTOther Specialist/Technologist1497307417
- Kimberly Balie, RPSGTOther Specialist/Technologist1184367377
- Carolyn Bannister, MDAnesthesiology Physician1922058403
- Iffat Bhuiyan, MDPsychiatry Physician1043590151
Verify Marckenley Isaac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 100785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average anesthesiology physician in 2024
217 Medicare Part D claims for 113 beneficiaries, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 101 claims were for opioids.
Most prescribed
- Gabapentin30 claims
- Oxycodone-Acetaminophen24 claims
- Pregabalin22 claims
- Tramadol Hcl18 claims
- Oxycodone Hcl15 claims
- Diclofenac Sodium12 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: $210.66
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 17,774 providers of this specialty with any payment received $669.59 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
- Wellstar Medical Group LLCAugusta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marckenley Isaac among 1,410 anesthesiology physician records in Georgia
Marckenley Isaac, MD is one of 1,410 anesthesiology physician records with a practice address in Georgia. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 89% of them.
- NPI issued2019 · 89% of these records are older, 9% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 2005 among the 954 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
71 anesthesiology physician records list a practice address in Marietta
They are 71 of the 6,900 NPPES records with a practice address in Marietta, and 1,410 anesthesiology physician records in Georgia.
All 1,410 in Georgia → Every provider in Marietta → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Deborah Bauman, MDMarietta, GA 300671699762518
- Robert Bergman, DOMarietta, GA 300671437146362
- Donald Cornutt, MDMarietta, GA 300671538154083
- Patrice Goggins, MDMarietta, GA 300671760479687
- Kathryn Grice, MDMarietta, GA 300671568459485
- Ann Harman, MDMarietta, GA 300671194728980
- Rickard Hawkins, MDMarietta, GA 300671649267576
- Edward Lee, MDMarietta, GA 300671376538520
Common questions
What is Marckenley Isaac, MD's NPI number?
Marckenley Isaac, MD's National Provider Identifier (NPI) is 1689234106, issued on Jun 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Marckenley Isaac, MD located?
The NPPES record lists a practice address at 2540 Windy Hill RD SE, Marietta, GA, 30067. Phone: (470) 644-1274. Providers update this record themselves, so call before visiting.
How can I verify Marckenley Isaac, MD's license?
NPPES lists Georgia license number 100785, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marckenley Isaac, MD prescribe under Medicare Part D?
In 2024, Marckenley Isaac, MD had 217 Medicare Part D claims for 113 beneficiaries; the average among anesthesiology physician prescribers was 402. 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.