Roberto Manllo-Karim, MD
Nephrology Physician · McAllen, TX
Roberto Manllo-Karim, MD is a nephrology physician with a practice address in McAllen, Texas, and NPI 1891794616, issued on Jul 14, 2005. Check the license (Texas J2181, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Roberto Manllo-Karim
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- J2181 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1901 S 1St St, McAllen, TX 78503
- Phone
- (956) 631-6136
- Enumerated
- Jul 14, 2005
- Record last updated
- Nov 1, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (956) 631-1848
- Medicaid ID
- 131918803 TX
- Medicare enrollment
- Enrolled (PECOS I20100914000628); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,159 in Texas → Look up another NPI →
Also registered at 1901 S 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ricardo Baltodano, M.D.Nephrology Physician1376705244
- Kotthegal Eshwar, MDNephrology Physician1831198654
- Edwardo GaitanProsthetist1467860015
- Juan Guardia, MDNephrology Physician1407855224
- Salil Mangi, MDNephrology Physician1881693695
- Daniela Pagani, RD, LDRegistered Dietitian1447426754
Verify Roberto Manllo-Karim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J2181Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average nephrology physician in 2024
1,882 Medicare Part D claims for 294 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Farxiga264 claims
- Amlodipine Besylate130 claims
- Losartan Potassium91 claims
- Auryxia90 claims
- Clonidine Hcl77 claims
- Furosemide71 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $177.25
8 payments; by number, the most common kind was food and beverage; the largest payer was Fresenius USA Marketing, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- South Texas Kidney Specialists, P.A.McAllen, TX
- Southern Texas Nephrology PLLCBrownsville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roberto Manllo-Karim among 1,159 nephrology physician records in Texas
Roberto Manllo-Karim, MD is one of 1,159 nephrology physician records with a practice address in Texas. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1986 · median 2001 among the 954 with a school on file
- Record last updated2018 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Texas
There are 1,159 nephrology physician records in Texas.
All 1,159 in Texas → Every provider in McAllen → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Ricardo Baltodano, M.D.McAllen, TX 785031376705244
- Angelito De Dios, M.D.McAllen, TX 785031902823974
- Kotthegal Eshwar, MDMcAllen, TX 785031831198654
- Juan Guardia, MDMcAllen, TX 785031407855224
- Andrew Levine, M.D.McAllen, TX 785031972574010
- Mark Liong, M.D.McAllen, TX 785031346422078
- Salil Mangi, MDMcAllen, TX 785031881693695
- Yanilda Nunez Germosen, M.D.McAllen, TX 785031356611859
Common questions
What is Roberto Manllo-Karim, MD's NPI number?
Roberto Manllo-Karim, MD's National Provider Identifier (NPI) is 1891794616, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Roberto Manllo-Karim, MD located?
The NPPES record lists a practice address at 1901 S 1St St, McAllen, TX, 78503. Phone: (956) 631-6136. Providers update this record themselves, so call before visiting.
How can I verify Roberto Manllo-Karim, MD's license?
NPPES lists Texas license number J2181, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Roberto Manllo-Karim, MD prescribe under Medicare Part D?
In 2024, Roberto Manllo-Karim, MD had 1,882 Medicare Part D claims for 294 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.