RICHARD A HAAS (M.D.) – Endocrinology, Diabetes & Metabolism Physician, NPI 1023017373

RICHARD A HAAS (M.D.) is a healthcare provider. based in Gardner, Massachusetts. specializing in ENDOCRINOLOGY. They hold the professional credentials M.D.. They hold a License No. 49080 (MA). The NPI Number for RICHARD A HAAS (M.D.) is 1023017373

Main info

Male
49 Years Of Experience
Accepts Medicare Assignment
Name
RICHARD A HAAS (M.D.)
NPI
1023017373
Phone
(978) 630-2770
Address
242 Green St
Enumeration Date
19 July 2005
Last Update Date
26 October 2020

Doctor Profile

Medical School Name
UNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Secondary Phone
5083341000
Graduation Year
1977 (49 years ago)
PAC ID
9032129572
Group Practice PAC ID
4284539891
Professional Enrollment ID
I20060428000228
Address ID
MA016550002WO55XXXNXXX400
Telehealth
Yes

Contacts

FHIR Endpoint
https://epicproxy.et0978.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
Secure Messaging
rhaas22817@UmassMemorial.direct-ci.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

549 ENDOCRINOLOGY in MA

Provider Addresses for RICHARD A HAAS (M.D.)

  • 242 Green St

    Gardner, MA 014401336

    Phone: (978) 630-2770

    Fax: (978) 630-2962

    Type: Location

  • PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States

    BOSTON, MA 022415348

    Phone:

    Type: Mailing

  • UMASS Memorial Medical Center University Campus Hospital, 55, Lake Avenue North, Worcester, Worcester County, Massachusetts, 01653, United States

    WORCESTER, MA 016550002

    Phone: (508) 856-3206

    Fax: (774) 442-4668

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-04-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060428000228IEndocrinologyMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes277189$0
95251Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report11677$0
99213Established patient office or other outpatient visit, 20-29 minutes5950$0
99204New patient office or other outpatient visit, 45-59 minutes1717$0
99215Established patient office or other outpatient visit, 40-54 minutes1313$0
View full utilization report →

Insurance plans in this area (ZIP 01440)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4284539891View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)MA
-MA
-MA
Family PracticeMA
Physician AssistantMA
Pulmonary Disease, Critical Care (Intensivists), Allergy/ImmunologyMA
-MA
-MA
Internal MedicineMA
Nurse PractitionerMA

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

Can I verify RICHARD A HAAS (M.D.) with an NPI only?
You can start verification with NPI 1023017373 for RICHARD A HAAS (M.D.), then check state licensing separately.
Is RICHARD A HAAS (M.D.) listed as active for patients and plans?
The listing shows RICHARD A HAAS (M.D.) as active in the NPI system.
What is RICHARD A HAAS (M.D.)'s specialty?
The listing groups RICHARD A HAAS (M.D.) with Endocrinology, Diabetes & Metabolism Physician. Clinical services aligned with this taxonomy classification.
Where should I expect RICHARD A HAAS (M.D.) on a map?
Expect Gardner, Massachusetts as a primary anchor for RICHARD A HAAS (M.D.) unless the record lists multiple sites.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

Similar Providers

DR. NIKHEEL SHRINIVAS KOLATKAR (M.D.)

Endocrinology, Diabetes & Metabolism Physician
121, Commonwealth Avenue, Back Bay, Boston, Suffolk County, Massachusetts, 02116, United States of America
NPI: 1396748463

DR. JOHN A POREMBA (M.D.)

Endocrinology, Diabetes & Metabolism Physician
PO BOX 3677
NPI: 1104829506

DR. HAYWARD KEITH ZWERLING (M.D.)

Endocrinology, Diabetes & Metabolism Physician
9 LOON HILL RD STE 300
NPI: 1447252770

ALDONA FINKLE (M.D.)

Endocrinology, Diabetes & Metabolism Physician
54 BAKER AVENUE EXT
NPI: 1154325090

SETH M. ARUM (M.D.)

Endocrinology, Diabetes & Metabolism Physician
PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States
NPI: 1679578793

PENTUCKET MEDICAL ASSOCIATES, LLC

Internal Medicine Physician
Haverhill, Essex County, Massachusetts, United States
NPI: 1609872886

HELEN KAULBACH (MD)

Endocrinology, Diabetes & Metabolism Physician
PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States
NPI: 1497751374