NPPES file of Aug 9, 2026

Asar Das, MD

Family Medicine Physician · Waterloo, IA

Asar Das, MD is a family medicine physician with a practice address in Waterloo, Iowa, and NPI 1689243693, issued on Jun 23, 2021. Check the license on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689243693
Name
Asar Das
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
4351048622 MI
Self-reported in NPPES; status is on the state search
Practice location
2055 Kimball Ave Ste 101, Waterloo, IA 50702
Phone
(319) 272-2529
Enumerated
Jun 23, 2021
Record last updated
Aug 11, 2022
Fax
(319) 272-2527
Medicare enrollment
Enrolled (PECOS I20251015003820); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2055 Kimball Ave Ste 101

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Melissa Andrews, MDFamily Medicine Physician1336833540
  2. Mirela Bacevac, MDHospitalist Physician1891217105
  3. Ryan Bauermeister, DPMFoot & Ankle Surgery Podiatrist1992480164
  4. Sung Whoy Cha, MDFamily Medicine Physician1447177928
  5. Aralis Fuentes Martinez, MDFamily Medicine Physician1932843851
  6. Mohammed Ghanim, MDFamily Medicine Physician1174368229

Verify Asar Das in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of MedicineCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Iowa license search

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68% fewer Medicare Part D claims than the average family medicine physician in 2024

1,137 Medicare Part D claims for 131 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Asar Das1,137
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium126 claims
  2. Levothyroxine Sodium57 claims
  3. Lisinopril48 claims
  4. Amlodipine Besylate45 claims
  5. Furosemide34 claims
  6. Hydrochlorothiazide33 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: $48.23

1 payment: food and beverage; the largest payer was Eisai Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Asar Das$48.23
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Sentara Medical GroupNewport News, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

93 family medicine physician records list a practice address in Waterloo

They are 93 of the 1,512 NPPES records with a practice address in Waterloo, and 2,336 family medicine physician records in Iowa.

Other family medicine physician records in Iowa

  1. Jennifer Aanestad, M.D.Durant, IA1386649341
  2. Amjad Abdelhady, MDSioux City, IA1033966700
  3. Afsana Abdullah, D.O.Bettendorf, IA1760583066
  4. Raja Ali Abdullah, MDCedar Falls, IA1356101000
  5. Laura Abels, DOAnkeny, IA1427313527
  6. Matthew AbendrothDes Moines, IA1972918894
  7. Mabra Abernathy, M.D.Coralville, IA1316922545
  8. Jennifer Abler, D.O.Altoona, IA1528159068
  9. Michael Abouassaly, M.D.West Burlington, IA1184790909
  10. Safa Abukhalil, M.B.B.SWest Des Moines, IA1982084463

Common questions

What is Asar Das, MD's NPI number?

Asar Das, MD's National Provider Identifier (NPI) is 1689243693, issued on Jun 23, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Asar Das, MD located?

The NPPES record lists a practice address at 2055 Kimball Ave Ste 101, Waterloo, IA, 50702. Phone: (319) 272-2529. Providers update this record themselves, so call before visiting.

How can I verify Asar Das, MD's license?

Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Asar Das, MD prescribe under Medicare Part D?

In 2024, Asar Das, MD had 1,137 Medicare Part D claims for 131 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.