Seymour Rosenbloom, MD
NPI 1265422505 · Endocrinology, Diabetes & Metabolism Physician · Marietta, GA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Seymour Rosenbloom, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Marietta, GA (NPI 1265422505).
Provider details
- NPI number
- 1265422505
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 015849 (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
563 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 418 | $129 |
| 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 | 112 | $17 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 17 | $169 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 16 | $183 |
Typical Medicare-allowed amounts for these services range $17–$183 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,063 | 301 |
| Levothyroxine Sodiumbrand: Synthroid | 137 | 36 |
| Empagliflozinbrand: Jardiance | 106 | 27 |
| Metformin Hcl | 100 | 33 |
| Dulaglutidebrand: Trulicity | 99 | 15 |
| Rosuvastatin Calcium | 68 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$626 across 27 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
- 2005-10-27
- Last updated
- 2014-05-05
Frequently asked questions
- What is Seymour Rosenbloom's NPI number?
- Seymour Rosenbloom's National Provider Identifier (NPI) is 1265422505, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seymour Rosenbloom's specialty?
- Seymour Rosenbloom is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Seymour Rosenbloom located?
- Seymour Rosenbloom's practice location on file with NPPES is 625 Church Street Nw, Marietta, GA 30060-1155.
- What is Seymour Rosenbloom's phone number?
- The practice phone number listed in the NPPES registry for Seymour Rosenbloom is (770) 422-2004.
- Does Seymour Rosenbloom accept Medicare?
- Seymour Rosenbloom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Seymour Rosenbloom's NPI active?
- Yes — Seymour Rosenbloom's NPI (1265422505) is active in the NPPES registry as of the last update on 2014-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.