What is Roberto Manllo-Karim's NPI number?

Roberto Manllo-Karim's National Provider Identifier (NPI) is 1891794616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Roberto Manllo-Karim's specialty?

Roberto Manllo-Karim is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).

Where is Roberto Manllo-Karim located?

Roberto Manllo-Karim's practice location on file with NPPES is 1901 S 1st St, Mcallen, TX 78503-1228.

What is Roberto Manllo-Karim's phone number?

The practice phone number listed in the NPPES registry for Roberto Manllo-Karim is (956) 631-6136.

Does Roberto Manllo-Karim accept Medicare?

Roberto Manllo-Karim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Roberto Manllo-Karim's NPI active?

Yes — Roberto Manllo-Karim's NPI (1891794616) is active in the NPPES registry as of the last update on 2018-11-01.

IndividualActiveAccepts Medicare

Roberto Manllo-Karim, MD

NPI 1891794616 · Nephrology Physician · Mcallen, TX

Roberto Manllo-Karim, MD is a Nephrology Physician provider in Mcallen, TX (NPI 1891794616).

Provider details

NPI number: 1891794616
Entity type: Individual
Primary specialty: Nephrology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: J2181 (TX)

Practice location

1901 S 1st St

Ste 600

Mcallen, TX 78503-1228

Phone: (956) 631-6136

Fax: (956) 631-1848

Street-level locationGet directions

More TX providers

Mailing address

1901 S 1st St

Mcallen, TX 78503-1228

Specialties & taxonomies

Nephrology PhysicianPrimary207RN0300XLicense J2181 (TX)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(77/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
21 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
965 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Dialysis Services, Per Day, Less Than Full Month Service (20 Years Or Older)90970	189	$10
Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960	186	$349
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	133	$79
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	100	$17
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	81	$127
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Dapagliflozin Propanediolbrand: Farxiga	264	56
Amlodipine Besylate	130	33
Losartan Potassium	91	21
Ferric Citratebrand: Auryxia	90	26
Clonidine Hcl	77	15
Furosemide	71	26
Lisinopril	62

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$177 across 8 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2005-07-14
Last updated: 2018-11-01

Frequently asked questions

What is Roberto Manllo-Karim's NPI number?: Roberto Manllo-Karim's National Provider Identifier (NPI) is 1891794616, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Roberto Manllo-Karim's specialty?: Roberto Manllo-Karim is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
Where is Roberto Manllo-Karim located?: Roberto Manllo-Karim's practice location on file with NPPES is 1901 S 1st St, Mcallen, TX 78503-1228.
What is Roberto Manllo-Karim's phone number?: The practice phone number listed in the NPPES registry for Roberto Manllo-Karim is (956) 631-6136.
Does Roberto Manllo-Karim accept Medicare?: Roberto Manllo-Karim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Roberto Manllo-Karim's NPI active?: Yes — Roberto Manllo-Karim's NPI (1891794616) is active in the NPPES registry as of the last update on 2018-11-01.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Dialysis Services, Per Day, Less Than Full Month Service (20 Years Or Older)90970	189	$10
Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960	186	$349
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	133	$79
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	100	$17
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	81	$127
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes

Drug

Part D claims (2024)

Beneficiaries

Dapagliflozin Propanediolbrand: Farxiga

264

Amlodipine Besylate

130

Losartan Potassium

Ferric Citratebrand: Auryxia

Clonidine Hcl

Furosemide

Lisinopril

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$177 across 8 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments