Dianne Grunes, M.D.
NPI 1912221946 · Anatomic Pathology & Clinical Pathology Physician · Springfield, MA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dianne Grunes, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Springfield, MA (NPI 1912221946).
Provider details
- NPI number
- 1912221946
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 69279 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
1,623 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 620 | $36 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 233 | $27 |
| Protein Measurement, Serum84165 | 149 | $17 |
| Cell Examination of Urine, Manual88120 | 128 | $56 |
| Immunologic Analysis Technique on Serum (immunofixation)86334 | 108 | $17 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 90 | $36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$24 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
- 2010-03-19
- Last updated
- 2024-09-26
- Certified
- 2024-09-26
Frequently asked questions
- What is Dianne Grunes's NPI number?
- Dianne Grunes's National Provider Identifier (NPI) is 1912221946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dianne Grunes's specialty?
- Dianne Grunes is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Dianne Grunes located?
- Dianne Grunes's practice location on file with NPPES is 271 Carew St, Springfield, MA 01104-2377.
- What is Dianne Grunes's phone number?
- The practice phone number listed in the NPPES registry for Dianne Grunes is (413) 748-9513.
- Does Dianne Grunes accept Medicare?
- Dianne Grunes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dianne Grunes's NPI active?
- Yes — Dianne Grunes's NPI (1912221946) is active in the NPPES registry as of the last update on 2024-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.