Lynn Zemsky, MD
NPI 1922086412 · Hematology & Oncology Physician · Marietta, GA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lynn Zemsky, MD is a Hematology & Oncology Physician provider in Marietta, GA (NPI 1922086412).
Provider details
- NPI number
- 1922086412
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 051281 (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
20 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
885 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 | 518 | $65 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 162 | $96 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 80 | $77 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 34 | $81 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 31 | $35 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 96 | 25 |
| Apixabanbrand: Eliquis | 58 | 15 |
| Prochlorperazine Maleate | 39 | 25 |
| Anastrozole | 34 | — |
| Oxycodone Hcl | 33 | — |
| Morphine Sulfatebrand: Morphine Sulfate Er | 32 | — |
| Lenalidomidebrand: Revlimid | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$498 across 22 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
- 2006-01-04
- Last updated
- 2020-11-23
- Certified
- 2020-11-23
Frequently asked questions
- What is Lynn Zemsky's NPI number?
- Lynn Zemsky's National Provider Identifier (NPI) is 1922086412, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynn Zemsky's specialty?
- Lynn Zemsky is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Lynn Zemsky located?
- Lynn Zemsky's practice location on file with NPPES is 790 Church St Ne, Marietta, GA 30060-7282.
- What is Lynn Zemsky's phone number?
- The practice phone number listed in the NPPES registry for Lynn Zemsky is (770) 590-8311.
- Does Lynn Zemsky accept Medicare?
- Lynn Zemsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lynn Zemsky's NPI active?
- Yes — Lynn Zemsky's NPI (1922086412) is active in the NPPES registry as of the last update on 2020-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.