MARK JORDAN WEISBERG (M.D.) – Internal Medicine Physician, NPI 1568690279

MARK JORDAN WEISBERG (M.D.) is a healthcare provider. based in Harlingen, Texas. specializing in INTERNAL MEDICINE, FAMILY PRACTICE, HOSPITALIST. They hold the professional credentials M.D.. They hold a License No. P1947 (TX). The NPI Number for MARK JORDAN WEISBERG (M.D.) is 1568690279

Main info

Male
Sole Proprietor
18 Years Of Experience
Accepts Medicare Assignment
Name
MARK JORDAN WEISBERG (M.D.)
NPI
1568690279
Phone
(956) 545-5351
Address
2121 Pease St Ste 1G
Enumeration Date
1 July 2009
Last Update Date
8 May 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9564650626
Graduation Year
2008 (18 years ago)
PAC ID
4082861307
Group Practice PAC ID
9436471836
Professional Enrollment ID
I20120821001014
Address ID
TX785261375BR4002XRDXX401
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience61
Completeness75
Years active:16State licenses:1Digital endpointsOther names

13,323 INTERNAL MEDICINE in TX

Provider Addresses for MARK JORDAN WEISBERG (M.D.)

  • 2121 Pease St Ste 1G

    Harlingen, TX 785508348

    Phone: (956) 545-5351

    Type: Location

  • 3302 Boca Chica Blvd

    Brownsville, TX 785215193

    Phone: (956) 982-1001

    Fax: (956) 982-1938

    Type: Location

  • 49, Cortez Avenue, Rancho Viejo, Texas, 78575, United States

    RANCHO VIEJO, TX 785759629

    Phone: (956) 518-1016

    Type: Mailing

  • Valley Regional Medical Center, 100-A, East Alton Gloor Boulevard, Hacienda Gardens Colonia, Brownsville, Cameron County, Texas, 78526, United States

    BROWNSVILLE, TX 785263328

    Phone: (956) 518-1016

    Fax: (956) 372-1717

    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: 2012-08-21

PECOS data refreshed: 2026-06-15

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
I20120821001014IInternal 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
99310Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes1,309123$0
99309Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes1,09474$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes469156$0
99349Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes387102$0
99350Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes24487$0
View full utilization report →

Insurance plans in this area (ZIP 78550)

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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: 9436471836View full group profile
NameSpecialtyState
Internal MedicineTX
Family PracticeTX
Internal MedicineTX
H O S P I T A L I S TTX
Family PracticeTX

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Frequently asked questions

Where can patients find MARK JORDAN WEISBERG (M.D.)'s NPI?
You can confirm MARK JORDAN WEISBERG (M.D.) with NPI 1568690279; it appears in the national provider directory.
Is MARK JORDAN WEISBERG (M.D.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What does MARK JORDAN WEISBERG (M.D.) treat or focus on?
Patients typically see MARK JORDAN WEISBERG (M.D.) under the specialty Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
What location shows for MARK JORDAN WEISBERG (M.D.)?
We surface Harlingen, Texas for MARK JORDAN WEISBERG (M.D.) based on available NPPES addresses.
Is this NPI for an individual or an organization?
This listing corresponds to an Individual Provider.

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