NPPES file of Aug 9, 2026

Songul Onder, M.D.

Nephrology Physician · Baltimore, MD

Songul Onder, M.D. is a nephrology physician with a practice address in Baltimore, Maryland, and NPI 1588875694, issued on May 24, 2007. Check the license (Maryland D94700, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588875694
Name
Songul Onder
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
D94700 MD
53669 TN
23252 WV
Self-reported in NPPES; status is on the state search
Practice location
22 S Greene St, Baltimore, MD 21201
Phone
(410) 328-5720
Enumerated
May 24, 2007
Record last updated
Oct 25, 2022
Fax
(410) 328-6585
Medicare enrollment
Enrolled (PECOS I20221107002721); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 22 S Greene St

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

  1. Bizhan Aarabi, MDNeurological Surgery Physician1174578876
  2. Elsadig Abdalla, MDStudent in an Organized Health Care Education/Training Program1073364477
  3. Ehssan AbdolalizadehStudent in an Organized Health Care Education/Training Program1093653271
  4. Mohammad Abdulelah, MDStudent in an Organized Health Care Education/Training Program1114650108
  5. Leenah AbdulgaderStudent in an Organized Health Care Education/Training Program1386323301
  6. Ifedayo Abiola-Matthew, CRNPAcute Care Nurse Practitioner1033781117

Verify Songul Onder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D94700
    Check 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 Maryland license search

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40% fewer Medicare Part D claims than the average nephrology physician in 2024

880 Medicare Part D claims for 108 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Songul Onder880
  2. Specialty average1,465

Most prescribed

  1. Calcitriol158 claims
  2. Carvedilol92 claims
  3. Furosemide73 claims
  4. Sevelamer Carbonate53 claims
  5. Amlodipine Besylate40 claims
  6. Nifedipine Er37 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF Maryland Physicians PABaltimore, MD

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

Nephrology Physician providers in Maryland

There are 337 nephrology physician records in Maryland.

Other nephrology physician records in Maryland

  1. Hashim AbbasBaltimore, MD1396171070
  2. Kevin Abbott, MDBethesda, MD1730289133
  3. Hossam Abdalla, M.D.Glen Burnie, MD1285031765
  4. Marwa Abdalla, MBBSWaldorf, MD1851852768
  5. Jacques Abi Rached, MDBaltimore, MD1790920577
  6. Farah Abifaraj, MDBaltimore, MD1104352962
  7. Veena Acharya, MDBel Air, MD1285842211
  8. Rohini Adhikarla, M.DLutherville Timonium, MD1316146863
  9. Muzna Adil, M.D.Suitland, MD1780870618
  10. Harsha Adnani, MDAnnapolis, MD1437738838

Common questions

What is Songul Onder, M.D.'s NPI number?

Songul Onder, M.D.'s National Provider Identifier (NPI) is 1588875694, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Songul Onder, M.D. located?

The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-5720. Providers update this record themselves, so call before visiting.

How can I verify Songul Onder, M.D.'s license?

NPPES lists Maryland license number D94700, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Songul Onder, M.D. prescribe under Medicare Part D?

In 2024, Songul Onder, M.D. had 880 Medicare Part D claims for 108 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Songul Onder, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.