NPPES file of Aug 9, 2026

Alexander Ferdows Baten-Tschan

Glaucoma Specialist (Ophthalmology) Physician · Bethesda, MD

Alexander Ferdows Baten-Tschan is a glaucoma specialist (ophthalmology) physician with a practice address in Bethesda, Maryland, and NPI 1205333457, issued on Apr 12, 2018. Check the license (Maryland D0098483, 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
1205333457
Name
Alexander Ferdows Baten-Tschan
Primary taxonomy
Glaucoma Specialist (Ophthalmology) Physician 207WX0009X
License numbers
D0098483 MD
MT219196 PA
Self-reported in NPPES; status is on the state search
Practice location
6720A Rockledge Dr Ste 200, Bethesda, MD 20817
Phone
(301) 493-9600
Enumerated
Apr 12, 2018
Record last updated
Mar 27, 2025
Medicare enrollment
Enrolled (PECOS I20231006001010); accepts Medicare assignment
Medical or professional school
Virginia Commonwealth University, School Of Medicine, 2018
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 6720A Rockledge Dr Ste 200

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

  1. Aspen Chun, ODOptometrist1508436759
  2. Jordan Heffez, M.D.Retina Specialist (Ophthalmology) Physician1669617866
  3. Fadi Nasrallah, M.D.Retina Specialist (Ophthalmology) Physician1427055144
  4. David Parver, M.D.Retina Specialist (Ophthalmology) Physician1346248887
  5. Robert Stephens, M.D.Retina Specialist (Ophthalmology) Physician1568469286

Verify Alexander Ferdows Baten-Tschan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0098483
    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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32% fewer Medicare Part D claims than the average glaucoma specialist (ophthalmology) physician in 2024

2,095 Medicare Part D claims for 669 beneficiaries, against an average of 3,060 among the 430 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Alexander Baten-Tschan2,095
  2. Specialty average3,060

Most prescribed

  1. Latanoprost387 claims
  2. Dorzolamide-Timolol289 claims
  3. Timolol Maleate237 claims
  4. Brimonidine Tartrate202 claims
  5. Prednisolone Acetate166 claims
  6. Dorzolamide Hcl108 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): 85.5 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. Qualityout of 100 · 30% of the final score73.6
  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).

Industry payments in 2024: $77.69

3 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, Inc. The 391 providers of this specialty with any payment received $5,284.60 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alexander Baten-Tschan$77.69
  2. Specialty average$5,284.60

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. Capital Eye Care LLCBethesda, MD

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

Glaucoma Specialist (Ophthalmology) Physician providers in Maryland

There are 16 glaucoma specialist (ophthalmology) physician records in Maryland.

Other glaucoma specialist (ophthalmology) physician records in Maryland

  1. Karun AroraBaltimore, MD1891183273
  2. Lindsay Dawson, MDChevy Chase, MD1194110478
  3. Eva Devience, M.D.Baltimore, MD1346689437
  4. Katherine Fallano, M.D.Baltimore, MD1225398241
  5. Teresa Horan, MDBaltimore, MD1629539788
  6. Russell Huang, MDBethesda, MD1437540119
  7. Jonathan Katz, MDLutherville, MD1447678487
  8. Elyse McGlumphy, M.D.Baltimore, MD1609261460
  9. Heather Nesti, MDAnnapolis, MD1790733954
  10. Tyler Ogden, MDBethesda, MD1407359565

Common questions

What is Alexander Ferdows Baten-Tschan's NPI number?

Alexander Ferdows Baten-Tschan's National Provider Identifier (NPI) is 1205333457, issued on Apr 12, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Ferdows Baten-Tschan located?

The NPPES record lists a practice address at 6720A Rockledge Dr Ste 200, Bethesda, MD, 20817. Phone: (301) 493-9600. Providers update this record themselves, so call before visiting.

How can I verify Alexander Ferdows Baten-Tschan's license?

NPPES lists Maryland license number D0098483, 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 Alexander Ferdows Baten-Tschan prescribe under Medicare Part D?

In 2024, Alexander Ferdows Baten-Tschan had 2,095 Medicare Part D claims for 669 beneficiaries; the average among glaucoma specialist (ophthalmology) physician prescribers was 3,060. Part D covers Medicare prescriptions only.

What is Alexander Ferdows Baten-Tschan's MIPS final score?

The 2023 MIPS final score is 85.5 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.