Neil Kobrosky, MD
NPI 1558308205 · Endocrinology, Diabetes & Metabolism Physician · Gloucester, MA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neil Kobrosky, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Gloucester, MA (NPI 1558308205).
Provider details
- NPI number
- 1558308205
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 54501 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,560 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 792 | $96 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 589 | $65 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 146 | $132 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 19 | $92 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 14 | $129 |
Typical Medicare-allowed amounts for these services range $65–$132 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,477 | 407 |
| Glipizidebrand: Glipizide Er | 616 | 170 |
| Metformin Hclbrand: Metformin Hcl Er | 528 | 154 |
| Dulaglutidebrand: Trulicity | 328 | 79 |
| Semaglutidebrand: Ozempic | 308 | 77 |
| Levothyroxine Sodiumbrand: Synthroid | 241 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2009-11-17
Frequently asked questions
- What is Neil Kobrosky's NPI number?
- Neil Kobrosky's National Provider Identifier (NPI) is 1558308205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Neil Kobrosky's specialty?
- Neil Kobrosky is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Neil Kobrosky located?
- Neil Kobrosky's practice location on file with NPPES is 298 Washington St, Gloucester, MA 01930.
- What is Neil Kobrosky's phone number?
- The practice phone number listed in the NPPES registry for Neil Kobrosky is (978) 283-4000.
- Does Neil Kobrosky accept Medicare?
- Neil Kobrosky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Neil Kobrosky's NPI active?
- Yes — Neil Kobrosky's NPI (1558308205) is active in the NPPES registry as of the last update on 2009-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.