Howard B. Blumstein, M.D.
Rheumatology Physician · Smithtown, NY
Howard B. Blumstein, M.D. is a rheumatology physician with a practice address in Smithtown, New York, and NPI 1598751471, issued on Sep 26, 2005. Check the license (New York 227807, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Howard B. Blumstein
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 227807 NY
Self-reported in NPPES; status is on the state search - Practice location
- 315 Middle Country RD, Smithtown, NY 11787
- Phone
- (631) 360-7778
- Enumerated
- Sep 26, 2005
- Record last updated
- May 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (631) 979-1609
- Medicaid ID
- 02670088 NY
- Medicare enrollment
- Enrolled (PECOS I20050407000331); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 2000
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 599 in New York → Look up another NPI →
Also registered at 315 Middle Country RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alan Kaell, M.D.Specialist1962498907
- Luiziana Marinescu, M.D.Rheumatology Physician1790978096
- Peter Rumore, M.D.Rheumatology Physician1245226109
- Paul Schulman, M.D.Rheumatology Physician1639165541
- Hong Xu, M.D.Rheumatology Physician1922064625
Verify Howard B. Blumstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 227807Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average rheumatology physician in 2024
2,240 Medicare Part D claims for 449 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 127 claims were for opioids.
Most prescribed
- Hydroxychloroquine Sulfate311 claims
- Prednisone297 claims
- Methotrexate272 claims
- Allopurinol88 claims
- Methylprednisolone84 claims
- Alendronate Sodium80 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,751.94
37 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. 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.
Bills Medicare through one group practice
- Rheumatology Associates OF LI LLPSmithtown, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Howard B. Blumstein among 599 rheumatology physician records in New York
Howard B. Blumstein, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2000 · median 2003 among the 425 with a school on file
- Record last updated2014 · 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 Smithtown → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Sara Johnson, M.D.Smithtown, NY 117871043206964
- Kristin Macdougall, MDSmithtown, NY 117871093000325
- Luiziana Marinescu, M.D.Smithtown, NY 117871790978096
- Peter Rumore, M.D.Smithtown, NY 117871245226109
- Ashmia Saif, D.O.Smithtown, NY 117871821594581
- Paul Schulman, M.D.Smithtown, NY 117871639165541
- Mark Tan, M.D.Smithtown, NY 117871083770580
- Daniel Torres Leyva, M.DSmithtown, NY 117871619388667
Common questions
What is Howard B. Blumstein, M.D.'s NPI number?
Howard B. Blumstein, M.D.'s National Provider Identifier (NPI) is 1598751471, issued on Sep 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Howard B. Blumstein, M.D. located?
The NPPES record lists a practice address at 315 Middle Country RD, Smithtown, NY, 11787. Phone: (631) 360-7778. Providers update this record themselves, so call before visiting.
How can I verify Howard B. Blumstein, M.D.'s license?
NPPES lists New York license number 227807, 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 Howard B. Blumstein, M.D. prescribe under Medicare Part D?
In 2024, Howard B. Blumstein, M.D. had 2,240 Medicare Part D claims for 449 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Howard B. Blumstein, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.