Barbara Stumacher, M.D.
NPI 1841436458 · Internal Medicine Physician · Nesconset, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Stumacher, M.D. is a Internal Medicine Physician provider in Nesconset, NY (NPI 1841436458).
Provider details
- NPI number
- 1841436458
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 164664 (NY)
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
17 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
5,109 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 640 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 551 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 | 518 | $6 |
| Microscopic Examination for White Blood Cells With Manual Cell Count85007 | 517 | $4 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 456 | $13 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 396 | $147 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 574 | 181 |
| Atorvastatin Calcium | 558 | 158 |
| Amlodipine Besylate | 369 | 104 |
| Losartan Potassium | 310 | 89 |
| Levothyroxine Sodium | 279 | 80 |
| Metoprolol Succinate | 258 | 74 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$140 across 1 record (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
- 2009-01-02
- Last updated
- 2014-05-23
Frequently asked questions
- What is Barbara Stumacher's NPI number?
- Barbara Stumacher's National Provider Identifier (NPI) is 1841436458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Stumacher's specialty?
- Barbara Stumacher is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Stumacher located?
- Barbara Stumacher's practice location on file with NPPES is 59 Southern Blvd, Nesconset, NY 11767-1090.
- What is Barbara Stumacher's phone number?
- The practice phone number listed in the NPPES registry for Barbara Stumacher is (631) 659-1700.
- Does Barbara Stumacher accept Medicare?
- Barbara Stumacher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Stumacher's NPI active?
- Yes — Barbara Stumacher's NPI (1841436458) is active in the NPPES registry as of the last update on 2014-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.