NPPES file of Aug 9, 2026

Stephanie Sung Katharina Behringer-Massera, M.D.

Endocrinology, Diabetes & Metabolism Physician · New York, NY

Stephanie Sung Katharina Behringer-Massera, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in New York, New York, and NPI 1023391778, issued on Sep 20, 2011. Check the license (New York 293360, 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
1023391778
Name
Stephanie Sung Katharina Behringer-Massera
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
293360 NY
Self-reported in NPPES; status is on the state search
Practice location
317 E 17TH St FL Hall7, New York, NY 10003
Phone
(212) 420-2226
Enumerated
Sep 20, 2011
Record last updated
Nov 26, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(212) 420-2224
Medicare enrollment
Enrolled (PECOS I20180621000815); 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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Verify Stephanie Sung Katharina Behringer-Massera 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 293360
    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

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60% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,049 Medicare Part D claims for 138 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.

  1. Stephanie Behringer-Massera1,049
  2. Specialty average2,630

Most prescribed

  1. Ozempic106 claims
  2. Levothyroxine Sodium98 claims
  3. Metformin Hcl Er71 claims
  4. Mounjaro66 claims
  5. Synthroid55 claims
  6. Metformin Hcl51 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.

Bills Medicare through one group practice

  1. Icahn School OF Medicine AT Mount SinaiNew York, NY

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

Stephanie Sung Katharina Behringer-Massera among 970 endocrinology, diabetes & metabolism physician records in New York

Stephanie Sung Katharina Behringer-Massera, M.D. is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 65% of them.

  • NPI issued2011 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2009 · median 2004 among the 694 with a school on file
  • Record last updated2019 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in New York

There are 970 endocrinology, diabetes & metabolism physician records in New York.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Philip Bukberg, MDNew York, NY 100031164401055
  2. Agustin Busta, MDNew York, NY 100031447248786
  3. Esti Charlap, M.D.New York, NY 100031205063682
  4. Zijian Chen, MDNew York, NY 100031760617906
  5. Terry Davies, MD, FRCPNew York, NY 100031801857578
  6. Adrienne Fleckman, MDNew York, NY 100031033174263
  7. Yuriy Gurevich, D.ONew York, NY 100031336319680
  8. Lisa Newman, MDNew York, NY 100031013060508

Common questions

What is Stephanie Sung Katharina Behringer-Massera, M.D.'s NPI number?

Stephanie Sung Katharina Behringer-Massera, M.D.'s National Provider Identifier (NPI) is 1023391778, issued on Sep 20, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Sung Katharina Behringer-Massera, M.D. located?

The NPPES record lists a practice address at 317 E 17TH St FL Hall7, New York, NY, 10003. Phone: (212) 420-2226. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Sung Katharina Behringer-Massera, M.D.'s license?

NPPES lists New York license number 293360, 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.

How much does Stephanie Sung Katharina Behringer-Massera, M.D. prescribe under Medicare Part D?

In 2024, Stephanie Sung Katharina Behringer-Massera, M.D. had 1,049 Medicare Part D claims for 138 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.