DR. MARCUS DARNELL SR. SMITH (MD) – Hospitalist Physician, NPI 1265438519

DR. MARCUS DARNELL SR. SMITH (MD) is a healthcare provider. based in Shenandoah, Texas. specializing in INTERNAL MEDICINE. They hold the professional credentials MD. They hold a License No. M0278 (TX). The NPI Number for DR. MARCUS DARNELL SR. SMITH (MD) is 1265438519

Main info

Male
Sole Proprietor
27 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARCUS DARNELL SR. SMITH (MD)
NPI
1265438519
Phone
(936) 270-2099
Address
17201 I H 45 S
Enumeration Date
22 June 2005
Last Update Date
16 August 2018

Doctor Profile

Medical School Name
HOWARD UNIVERSITY COLLEGE OF MEDICINE
Secondary Phone
2812740148
Graduation Year
1999 (27 years ago)
PAC ID
5294724381
Group Practice PAC ID
4486711744
Professional Enrollment ID
I20041229000806
Address ID
TX774793500SU16605410X401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience59
Completeness75
Years active:20State licenses:1Digital endpointsOther names

13,290 INTERNAL MEDICINE in TX

Provider Addresses for DR. MARCUS DARNELL SR. SMITH (MD)

  • 17201 I H 45 S

    SHENANDOAH, TX 773853311

    Phone: (936) 270-2099

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 21 Open Payments records for all available years, with a total value of $438.

Total Amount is formed as General ($438) + Research ($0) + Ownership ($0) = $438.

Last reported payment date: 2024-10-23 • Largest payer in this snapshot: PFIZER INC. ($225).

Total Amount

$438

General + Research + Ownership

Payments

21

Total payment records

General Amount

$438

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-10-23

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2004-12-29

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
I20041229000806IInternal MedicineTXTBD

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
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes412205$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes232122$0
99239Hospital discharge day management, more than 30 minutes149148$0
99238Hospital discharge day management, 30 minutes or less1313$0
View full utilization report →

Insurance plans in this area (ZIP 77385)

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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: 4486711744View full group profile
NameSpecialtyState
-TX
-TX
Nurse PractitionerTX
Physician AssistantTX
Thoracic Surgery, Vascular SurgeryTX
Medical Oncology, HematologyTX
Internal MedicineTX
General SurgeryNY
G A S T R O E N T E R O L O G YLA
Internal MedicineTX

Reviews

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Frequently asked questions

What number should I use to identify DR. MARCUS DARNELL SR. SMITH (MD) for billing?
Administrative and clinical systems typically use NPI 1265438519 for DR. MARCUS DARNELL SR. SMITH (MD).
Quick check: is DR. MARCUS DARNELL SR. SMITH (MD) active?
Public NPPES data shows DR. MARCUS DARNELL SR. SMITH (MD) with an active NPI status right now.
Which specialty label fits DR. MARCUS DARNELL SR. SMITH (MD)?
NPPES ties DR. MARCUS DARNELL SR. SMITH (MD) to Hospitalist Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
What geographic area is tied to DR. MARCUS DARNELL SR. SMITH (MD)?
DR. MARCUS DARNELL SR. SMITH (MD) is associated with Shenandoah, Texas in the same public data insurers reference.
Why is information missing for DR. MARCUS DARNELL SR. SMITH (MD)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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