Vivian Patricia Bykerk, VIVIAN BYKERK MD
Rheumatology Physician · New York, NY
Vivian Patricia Bykerk, VIVIAN BYKERK MD is a rheumatology physician with a practice address in New York, New York, and NPI 1497089502, issued on Sep 22, 2009. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Vivian Patricia Bykerk
- Credential
- VIVIAN BYKERK MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 50155 ZZ
Self-reported in NPPES; status is on the state search - Practice location
- 535 E 70TH St, New York, NY 10021
- Phone
- (212) 774-7520
- Enumerated
- Sep 22, 2009
- Record last updated
- Apr 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (212) 606-1605
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 599 in New York → Look up another NPI →
Also registered at 535 E 70TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Vivian Patricia Bykerk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average rheumatology physician in 2024
44 Medicare Part D claims, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 50% of claims.
Most prescribed
- Orencia12 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: $1,250.00
1 payment: compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was Genzyme Corporation. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Vivian Patricia Bykerk among 599 rheumatology physician records in New York
Vivian Patricia Bykerk, VIVIAN BYKERK MD is one of 599 rheumatology physician records with a practice address in New York. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 35% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2021 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in New York
There are 599 rheumatology physician records in New York.
All 599 in New York → Every provider in New York → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Thomas Argyros, MDNew York, NY 100211922190370
- Anne Bass, M.D.New York, NY 100211609872712
- Stanley Bridges, MD, PHDNew York, NY 100211205876307
- Stephen Di Martino, MD, PHDNew York, NY 100211184697518
- Allan Gibofsky, MDNew York, NY 100211467500611
- Lionel Ivashkiv, M.D.New York, NY 100211811035033
- Robin Lipschitz, M.DNew York, NY 100211891894655
- Michael Lockshin, MDNew York, NY 100211528155603
Common questions
What is Vivian Patricia Bykerk, VIVIAN BYKERK MD's NPI number?
Vivian Patricia Bykerk, VIVIAN BYKERK MD's National Provider Identifier (NPI) is 1497089502, issued on Sep 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Vivian Patricia Bykerk, VIVIAN BYKERK MD located?
The NPPES record lists a practice address at 535 E 70TH St, New York, NY, 10021. Phone: (212) 774-7520. Providers update this record themselves, so call before visiting.
How can I verify Vivian Patricia Bykerk, VIVIAN BYKERK MD's license?
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 Vivian Patricia Bykerk, VIVIAN BYKERK MD prescribe under Medicare Part D?
In 2024, Vivian Patricia Bykerk, VIVIAN BYKERK MD had 44 Medicare Part D claims; the average among rheumatology physician prescribers was 1,978. 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.