NPPES file of Aug 9, 2026

Maximilian Joseph Klein, M.D.

Reproductive Endocrinology Physician · Rochester, NY

Maximilian Joseph Klein, M.D. is a reproductive endocrinology physician with a practice address in Rochester, New York, and NPI 1104244888, issued on Mar 31, 2014. Check the license (New York 308826, as entered in NPPES) on the NYS Education Department, Office of the Professions; 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
1104244888
Name
Maximilian Joseph Klein
Credential
M.D.
Primary taxonomy
Reproductive Endocrinology Physician 207VE0102X
License number
308826 NY
Self-reported in NPPES; status is on the state search
Practice location
2244 East Ave, Rochester, NY 14610
Phone
(585) 244-1280
Enumerated
Mar 31, 2014
Record last updated
Mar 5, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2244 East Ave

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

  1. Jennifer Sieber, NPGerontology Nurse Practitioner1760188452

Verify Maximilian Joseph Klein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 308826
    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 New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $18.55

1 payment: food and beverage; the largest payer was Ferring Pharmaceuticals Inc. The 1,066 providers of this specialty with any payment received $1,086.52 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Maximilian Klein$18.55
  2. Specialty average$1,086.52

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

Maximilian Joseph Klein among 206 reproductive endocrinology physician records in New York

Maximilian Joseph Klein, M.D. is one of 206 reproductive endocrinology physician records with a practice address in New York. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.

  • NPI issued2014 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 13% of these records are
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VE0102X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Reproductive Endocrinology Physician providers in New York

There are 206 reproductive endocrinology physician records in New York.

The 8 reproductive endocrinology physician records with the nearest ZIP codes

  1. Erin Masaba, MDRochester, NY 146231043447659
  2. Mohamad-Jamil Mroueh, MDRochester, NY 146261730148073
  3. David Guzick, M.D.Rochester, NY 146421932136397
  4. Kathleen Hoeger, MDRochester, NY 146421376577478
  5. Vivian Lewis, MDRochester, NY 146421194755967
  6. John Queenan, M.D.Rochester, NY 146421720012826
  7. Krystene Dipaola, M.D.Buffalo, NY 142281538215371
  8. Kent Crickard, M.D.Snyder, NY 142261659377018

Common questions

What is Maximilian Joseph Klein, M.D.'s NPI number?

Maximilian Joseph Klein, M.D.'s National Provider Identifier (NPI) is 1104244888, issued on Mar 31, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Maximilian Joseph Klein, M.D. located?

The NPPES record lists a practice address at 2244 East Ave, Rochester, NY, 14610. Phone: (585) 244-1280. Providers update this record themselves, so call before visiting.

How can I verify Maximilian Joseph Klein, M.D.'s license?

NPPES lists New York license number 308826, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

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.