Daniel F. Callahan, M.D.
Pulmonary Disease Physician · Alpharetta, GA
Daniel F. Callahan, M.D. is a pulmonary disease physician with a practice address in Alpharetta, Georgia, and NPI 1598761223, issued on Jun 27, 2005. Check the license (Georgia 033044, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Daniel F. Callahan
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 033044 GA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Old Milton Pkwy # C, Alpharetta, GA 30005
- Phone
- (770) 343-8760
- Enumerated
- Jun 27, 2005
- Record last updated
- Apr 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (770) 664-2101
- Medicaid ID
- 00449391C GA
- Medicare enrollment
- Enrolled (PECOS I20090921000330); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 399 in Georgia → Look up another NPI →
Also registered at 3400 Old Milton Pkwy # C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eduardo Egea, M.D.Pulmonary Disease Physician1346567914
- Iqbal Garcha, M.D.Surgery Physician1942269923
- Megan Keller, PA-CMedical Physician Assistant1063751212
- Andrea Klopman, M.D.Pediatrics Physician1386829752
- Malathi Kolipaka, MDFamily Medicine Physician1467628164
- Regan Kudlata, RN FNPFamily Nurse Practitioner1023148293
Verify Daniel F. Callahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 033044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average pulmonary disease physician in 2024
2,037 Medicare Part D claims for 337 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Trelegy Ellipta173 claims
- Albuterol Sulfate Hfa144 claims
- Prednisone130 claims
- Montelukast Sodium126 claims
- Azithromycin85 claims
- Trazodone Hcl67 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.
The MIPS final score for 2023 (Medicare payment program): 65.4 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).
Industry payments in 2024: $1,841.93
83 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 8,806 providers of this specialty with any payment received $5,159.88 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
- Northside Primary Care Professional Services,llcAlpharetta, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Daniel F. Callahan among 399 pulmonary disease physician records in Georgia
Daniel F. Callahan, M.D. is one of 399 pulmonary disease physician records with a practice address in Georgia. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1985 · median 2003 among the 320 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Georgia
There are 399 pulmonary disease physician records in Georgia.
All 399 in Georgia → Every provider in Alpharetta → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Eduardo Egea, M.D.Alpharetta, GA 300051346567914
- Simha Jagadeesh, MDAlpharetta, GA 300051639337272
- Ji Yeon Lee, MDAlpharetta, GA 300051316235435
- Syed Mahmood, M.DAlpharetta, GA 300051467809541
- Gayle Mason, M.D.Alpharetta, GA 300051699771303
- Chuansheng Wu, MDAlpharetta, GA 300051275578361
- Geraldo Holguin Terrero, MDConyers, GA 300121528360765
- Christin-Lauren Tanksley, M.D.Conyers, GA 300121093177354
Common questions
What is Daniel F. Callahan, M.D.'s NPI number?
Daniel F. Callahan, M.D.'s National Provider Identifier (NPI) is 1598761223, issued on Jun 27, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Daniel F. Callahan, M.D. located?
The NPPES record lists a practice address at 3400 Old Milton Pkwy # C, Alpharetta, GA, 30005. Phone: (770) 343-8760. Providers update this record themselves, so call before visiting.
How can I verify Daniel F. Callahan, M.D.'s license?
NPPES lists Georgia license number 033044, 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 Daniel F. Callahan, M.D. prescribe under Medicare Part D?
In 2024, Daniel F. Callahan, M.D. had 2,037 Medicare Part D claims for 337 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Daniel F. Callahan, M.D.'s MIPS final score?
The 2023 MIPS final score is 65.4 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.