Joan Cain, MD
NPI 1043495732 · Hematology & Oncology Physician · Atlanta, GA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Cain, MD is a Hematology & Oncology Physician provider in Atlanta, GA (NPI 1043495732).
Provider details
- NPI number
- 1043495732
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 054598 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
253 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 148 | $68 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 36 | $81 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 34 | $39 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 19 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 16 | $96 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 38 | 15 |
| Letrozole | 28 | — |
| Dexamethasone | 17 | — |
| Ibandronate Sodium | 16 | — |
| Raloxifene Hcl | 16 | — |
| Lenalidomidebrand: Revlimid | 15 | — |
| Palbociclibbrand: Ibrance | 11 | — |
| Imatinib Mesylate | 11 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$741 across 34 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-01
- Last updated
- 2008-01-01
Frequently asked questions
- What is Joan Cain's NPI number?
- Joan Cain's National Provider Identifier (NPI) is 1043495732, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Cain's specialty?
- Joan Cain is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Joan Cain located?
- Joan Cain's practice location on file with NPPES is 1364 Clifton Rd Ne, Atlanta, GA 30322-1059.
- What is Joan Cain's phone number?
- The practice phone number listed in the NPPES registry for Joan Cain is (404) 686-1000.
- Does Joan Cain accept Medicare?
- Joan Cain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Cain's NPI active?
- Yes — Joan Cain's NPI (1043495732) is active in the NPPES registry as of the last update on 2008-01-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.