Douglas Caldwell Collins, M.D.
Hematology & Oncology Physician · Atlanta, GA
Douglas Caldwell Collins, M.D. is a hematology & oncology physician with a practice address in Atlanta, Georgia, and NPI 1306937461, issued on Sep 27, 2006. Check the license (Georgia 020092, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Douglas Caldwell Collins
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 020092 GA
Self-reported in NPPES; status is on the state search - Practice location
- 320 Parkway Dr NE, Atlanta, GA 30312
- Phone
- (404) 522-0917
- Enumerated
- Sep 27, 2006
- Record last updated
- Jun 27, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (404) 522-0953
- Medicaid IDs
- 000230095F GA
00230095C GA - Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 396 in Georgia → Look up another NPI →
Also registered at 320 Parkway Dr NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Debra Beckum, AGNP-CGerontology Nurse Practitioner1700496981
- Cara Clouse, PA-CPhysician Assistant1750491767
- Roberta Dorsey, L.M.T.Massage Therapist1225200355
Verify Douglas Caldwell Collins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 020092Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average hematology & oncology physician in 2024
3,070 Medicare Part D claims for 181 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 1,560 claims were for opioids.
Most prescribed
- Oxycodone Hcl660 claims
- Morphine Sulfate Er222 claims
- Methadone Hcl196 claims
- Oxycontin149 claims
- Oxycodone-Acetaminophen139 claims
- Alprazolam132 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.
Douglas Caldwell Collins among 396 hematology & oncology physician records in Georgia
Douglas Caldwell Collins, M.D. is one of 396 hematology & oncology physician records with a practice address in Georgia. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 49% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2013 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Georgia
There are 396 hematology & oncology physician records in Georgia.
All 396 in Georgia → Every provider in Atlanta → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Donald Filip, M.D.Atlanta, GA 303091518908748
- Shahid Ahmed, MBBSAtlanta, GA 303081841555083
- Gideon Dosunmu, M.D., MPHAtlanta, GA 303081497216758
- Danielle Jayaram, PA-CAtlanta, GA 303081689366601
- Jose Monteiro De Oliveira Novaes, MDAtlanta, GA 303081487145033
- Jennifer Mulijawan, PA-CAtlanta, GA 303081730969601
- Sheetal Patel, MDAtlanta, GA 303081538322623
- Ethan Tolbert, M.D.Atlanta, GA 303081255537239
Common questions
What is Douglas Caldwell Collins, M.D.'s NPI number?
Douglas Caldwell Collins, M.D.'s National Provider Identifier (NPI) is 1306937461, issued on Sep 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Caldwell Collins, M.D. located?
The NPPES record lists a practice address at 320 Parkway Dr NE, Atlanta, GA, 30312. Phone: (404) 522-0917. Providers update this record themselves, so call before visiting.
How can I verify Douglas Caldwell Collins, M.D.'s license?
NPPES lists Georgia license number 020092, 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 Douglas Caldwell Collins, M.D. prescribe under Medicare Part D?
In 2024, Douglas Caldwell Collins, M.D. had 3,070 Medicare Part D claims for 181 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.