Richard Haas, M.D.
NPI 1023017373 · Endocrinology, Diabetes & Metabolism Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Haas, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Worcester, MA (NPI 1023017373).
Provider details
- NPI number
- 1023017373
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 49080 (MA)
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 tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
465 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 | 265 | $95 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 109 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 51 | $65 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 23 | $132 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $143 |
Typical Medicare-allowed amounts for these services range $34–$143 (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 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Semaglutidebrand: Ozempic | 599 | 114 |
| Empagliflozinbrand: Jardiance | 393 | 100 |
| Dulaglutidebrand: Trulicity | 304 | 59 |
| Metformin Hclbrand: Metformin Hcl Er | 242 | 84 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 195 | 66 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle |
Practice location
Mailing address
Additional practice locations (1)
- 242 Green StGardner, MA 01440-1336Phone: (978) 630-2770Fax: (978) 630-2962
Registry dates
- Enumerated
- 2005-07-19
- Last updated
- 2020-10-26
- Certified
- 2020-10-26
Frequently asked questions
- What is Richard Haas's NPI number?
- Richard Haas's National Provider Identifier (NPI) is 1023017373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Haas's specialty?
- Richard Haas is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Haas located?
- Richard Haas's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Richard Haas's phone number?
- The practice phone number listed in the NPPES registry for Richard Haas is (508) 856-3206.
- Does Richard Haas accept Medicare?
- Richard Haas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Haas's NPI active?
- Yes — Richard Haas's NPI (1023017373) is active in the NPPES registry as of the last update on 2020-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.