Quick answers
- Does Lanny S. Schwartzfarb accept Medicare assignment?
- Yes. Medicare's clinician data says Lanny S. Schwartzfarb accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Lanny S. Schwartzfarb see?
- In 2024, CMS data shows 119 Original Medicare patients and 52,070 services for Lanny S. Schwartzfarb. This counts Original Medicare only and measures volume, not quality.
- What is Lanny S. Schwartzfarb's NPI number?
- 1770625626. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Lanny S. Schwartzfarb, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 119 |
|---|---|
| Services billed to Medicare | 52,070 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0717)50,000 services
- Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle (96401)249 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)249 services
- Insertion of needle into vein for collection of blood sample (36415)207 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)50 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Arthritis75%
- High blood pressure67%
- Ischemic heart disease38%
- Osteoporosis37%
- Diabetes26%
Practice locations
Addresses where Lanny S. Schwartzfarb is enrolled with Medicare (CMS data updated October 2, 2026).
- 315 E 69th StNew York, NY 10021 (212) 734‑5670
Specialties
- Rheumatologyprimary
- Internal Medicinealso
Other rheumatologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 1972 (54 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1770625626 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians