CLAYTON L. JR. MARTIN (MD) – Emergency Medicine Physician, NPI 1356873129

CLAYTON L. JR. MARTIN (MD) is a healthcare provider. based in Westborough, Massachusetts. specializing in Emergency Medicine Physician. They hold the professional credentials MD. They hold a License No. MD478073 (PA). The NPI Number for CLAYTON L. JR. MARTIN (MD) is 1356873129

Main info

Male
Name
CLAYTON L. JR. MARTIN (MD)
NPI
1356873129
Phone
Not provided
Address
223 TURNPIKE RD APT 1F
Enumeration Date
31 March 2017
Last Update Date
19 May 2025
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience47
Completeness75
Years active:9State licenses:1Digital endpointsOther names

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Provider Addresses for CLAYTON L. JR. MARTIN (MD)

  • 223 TURNPIKE RD APT 1F

    WESTBOROUGH, MA 015812848

    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:

    Type: Mailing

  • 3400 SPRUCE ST FL RAVDIN

    PHILADELPHIA, PA 191044238

    Phone: (661) 703-1640

    Type: Mailing

  • 700 SPRUCE ST BSMT WEST

    PHILADELPHIA, PA 191064022

    Phone: (215) 829-3358

    Fax: (215) 829-3438

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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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: 2023-03-16

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
I20230316002464IEmergency MedicinePATBD

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
99285Emergency department visit with high level of medical decision making107102$0
99284Emergency department visit with moderate level of medical decision making6968$0
View full utilization report →

Insurance plans in this area (ZIP 01581)

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Reviews

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Frequently asked questions

What is CLAYTON L. JR. MARTIN (MD)'s NPI number?
CLAYTON L. JR. MARTIN (MD)'s NPI is 1356873129 — the number used across U.S. healthcare to identify this provider.
Is there an active status for CLAYTON L. JR. MARTIN (MD)?
For scheduling context, CLAYTON L. JR. MARTIN (MD) is shown as active in the registry.
What clinical focus is listed for CLAYTON L. JR. MARTIN (MD)?
At a glance, CLAYTON L. JR. MARTIN (MD) is tied to Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for CLAYTON L. JR. MARTIN (MD)?
Travel planning: use Westborough, Massachusetts as the reference point for CLAYTON L. JR. MARTIN (MD), then confirm.
What does 5 location(s) imply?
5 practice locations appear in the available data.

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