Active NPI
Morris Spierer, MD
- Critical Care Medicine (Internal Medicine) Physician
- Worcester, MA
National Provider Identifier
1285685883
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Medicine (Internal Medicine) Physician
- License
- 36568
- Practice address
- 123 Summer Street
Worcester, MA 01608 - Phone
- (508) 368-3120
- Fax
- (508) 368-3121
- NPI assigned
- May 16, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Critical Care Medicine (Internal Medicine) Physician | 207RC0200X | 36568 | MA | Primary |
| Pulmonary Disease Physician | 207RP1001X | 36568 | MA |
Addresses
Primary practice location
123 Summer Street
Worcester, MA 01608
Mailing address
630 Plantation St
Wot 12TH Floor Attn Physician Services
Worcester, MA 01605
Phone (508) 368-5529
Other identifiers 13
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 7336195 | Other | AETNA US HEALTHCARE | |
| 7924337 | Other | CIGNA HEALTH PLAN | |
| 27095 | Other | CHILDRENS MEDICAL SECURIT | |
| 784088 | Other | MVP HEALTH CARE | |
| AA7079 | Other | HARVARD PILGRIM HEALTHCAR | |
| 934645 | Other | FIRST HEALTH | |
| 27095 | Other | HEALTHY START | |
| 3099920 | Medicaid | MA | |
| 4800064 | Other | EVERCARE | |
| N01620 | Other | BLUE SHIELD HMO BLUE | |
| 9900050 | Other | FALLON COMMUNITY HEALTH P | |
| N01620 | Other | BLUE CARE ELECT | |
| N01620 | Other | BLUE SHIELD INDEMNITY |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- HHS exclusion list flag
- Flagged The directory lists this NPI on an HHS exclusion list.
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Saint Vincent Physician Services, Inc. | Past | Accepting new patients | |
| Reliant Medical Group, Inc | Critical Care Medicine | Past | Accepting new patients |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Family Medicine Physician
- Worcester, MA
- NPI 1720017528
Critical Care Medicine
-
- Family Medicine Physician
- Worcester, MA
- NPI 1013997329
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147737600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1285685883",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "630 PLANTATION ST",
"address_2": "WOT 12TH FLOOR ATTN PHYSICIAN SERVICES",
"city": "WORCESTER",
"state": "MA",
"postal_code": "01605",
"telephone_number": "508-368-5529",
"fax_number": "508-368-5530"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "123 SUMMER STREET",
"city": "WORCESTER",
"state": "MA",
"postal_code": "01608",
"telephone_number": "508-368-3120",
"fax_number": "508-368-3121"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SPIERER",
"first_name": "MORRIS",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-16",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207RC0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Critical Care Medicine",
"state": "MA",
"license": "36568",
"primary": true
},
{
"code": "207RP1001X",
"taxonomy_group": "",
"desc": "Internal Medicine, Pulmonary Disease",
"state": "MA",
"license": "36568",
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "AETNA US HEALTHCARE",
"identifier": "7336195",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CIGNA HEALTH PLAN",
"identifier": "7924337",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CHILDRENS MEDICAL SECURIT",
"identifier": "27095",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MVP HEALTH CARE",
"identifier": "784088",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HARVARD PILGRIM HEALTHCAR",
"identifier": "AA7079",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "FIRST HEALTH",
"identifier": "934645",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "HEALTHY START",
"identifier": "27095",
"state": null
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "3099920",
"state": "MA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "EVERCARE",
"identifier": "4800064",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD HMO BLUE",
"identifier": "N01620",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "FALLON COMMUNITY HEALTH P",
"identifier": "9900050",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CARE ELECT",
"identifier": "N01620",
"state": null
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE SHIELD INDEMNITY",
"identifier": "N01620",
"state": null
}
],
"endpoints": [],
"other_names": []
}Other providers in Worcester, MA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.