Nadine Marie Callahan, M.D.
Anesthesiology Physician · Atlanta, GA
Nadine Marie Callahan, M.D. is an anesthesiology physician with a practice address in Atlanta, Georgia, and NPI 1194015511, issued on Apr 19, 2011. Check the license (Georgia 73246, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nadine Marie Callahan
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 73246 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1364 Clifton RD NE, Atlanta, GA 30322
- Phone
- (404) 778-3903
- Enumerated
- Apr 19, 2011
- Record last updated
- Jun 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150722005077); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,410 in Georgia → Look up another NPI →
Also registered at 1364 Clifton RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nadine Marie Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 73246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 92.3 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).
Bills Medicare through one group practice
- Emory Specialty Associates, LLCAtlanta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nadine Marie Callahan among 1,410 anesthesiology physician records in Georgia
Nadine Marie Callahan, M.D. 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 2011, is newer than 69% of them.
- NPI issued2011 · 69% of these records are older, 29% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2011 · median 2005 among the 954 with a school on file
- Record last updated2019 · 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).
473 anesthesiology physician records list a practice address in Atlanta
They are 473 of the 31,476 NPPES records with a practice address in Atlanta, and 1,410 anesthesiology physician records in Georgia.
All 1,410 in Georgia → Every provider in Atlanta → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Arthur Allen, MDAtlanta, GA 303221649238015
- Arnold Berry, MDAtlanta, GA 303221124057435
- Nina Guzzetta, MDAtlanta, GA 303221497708630
- Steven Helfman, M.D.Atlanta, GA 303221861437345
- Stacey Hertz, PAAAAtlanta, GA 303221376578229
- Darlene Mashman, MDAtlanta, GA 303221891747598
- Bruce Miller, MDAtlanta, GA 303221619928736
- Erin Rosenberg, MDAtlanta, GA 303221508894478
Common questions
What is Nadine Marie Callahan, M.D.'s NPI number?
Nadine Marie Callahan, M.D.'s National Provider Identifier (NPI) is 1194015511, issued on Apr 19, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Nadine Marie Callahan, M.D. located?
The NPPES record lists a practice address at 1364 Clifton RD NE, Atlanta, GA, 30322. Phone: (404) 778-3903. Providers update this record themselves, so call before visiting.
How can I verify Nadine Marie Callahan, M.D.'s license?
NPPES lists Georgia license number 73246, 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.
What is Nadine Marie Callahan, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.3 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.