Stuart Chipkin, M.D.
NPI 1699775585 · Endocrinology, Diabetes & Metabolism Physician · Amherst, MA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stuart Chipkin, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Amherst, MA (NPI 1699775585).
Provider details
- NPI number
- 1699775585
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 52718 (MA)
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
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,443 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 | 651 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 380 | $129 |
| Diabetes Outpatient Self-Management Training Services, Individual, Per 30 MinutesG0108 | 379 | $54 |
| Vitamin D-3 Level82306 | 339 | $29 |
| Hemoglobin A1c Level83036 | 333 | $10 |
| 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 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 253 | 69 |
| Dulaglutidebrand: Trulicity | 169 | 37 |
| Rosuvastatin Calcium | 159 | 40 |
| Empagliflozinbrand: Jardiance | 127 | 25 |
| Metformin Hclbrand: Metformin Hcl Er | 114 | 29 |
| Levothyroxine Sodiumbrand: Synthroid | 112 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$112 across 2 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
Additional practice locations (3)
- 238 Northampton StEasthampton, MA 01027-1046Phone: (413) 529-9300Fax: (866) 644-0870
- 70 Main StFlorence, MA 01062Phone: (413) 586-8400Fax: (866) 644-0872
- 329 Conway StGreenfield, MA 01301-1521Phone: (413) 774-6301Fax: (866) 644-0871
Registry dates
- Enumerated
- 2005-07-21
- Last updated
- 2024-03-13
- Certified
- 2024-03-13
Frequently asked questions
- What is Stuart Chipkin's NPI number?
- Stuart Chipkin's National Provider Identifier (NPI) is 1699775585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stuart Chipkin's specialty?
- Stuart Chipkin is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Stuart Chipkin located?
- Stuart Chipkin's practice location on file with NPPES is 31 Hall Dr, Amherst, MA 01002-2751.
- What is Stuart Chipkin's phone number?
- The practice phone number listed in the NPPES registry for Stuart Chipkin is (413) 256-8561.
- Does Stuart Chipkin accept Medicare?
- Stuart Chipkin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stuart Chipkin's NPI active?
- Yes — Stuart Chipkin's NPI (1699775585) is active in the NPPES registry as of the last update on 2024-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.