National Provider Identifier
Robert M Zielinski, MD
Robert M Zielinski, MD is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician in Williamsville, NY and a listed phone number of (716) 630-1059.
Source: public NPPES record, last updated December 20, 2021. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1043260664
- Provider Type
- Individual
- Primary Specialty
- Hematology & Oncology Physician
- Enumeration Date
- May 12, 2006
- Last Updated
- December 20, 2021
Practice Location
- 295 Essjay RD
- Williamsville, NY 14221-8216
Phone: (716) 630-1059
Mailing Address
- 425 Essjay RD Ste 170
- Williamsville, NY 14221-5782
Specialties
- Hematology & Oncology Physician (207RH0003X)
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Medicare Part B Activity
Reported 64,124 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Internal Medicine providers in the Buffalo, NY metro area.
This provider is in the 100th percentile for Medicare service volume.
Among the highest-volume peers.
Performs about 175x the peer median number of Medicare services.
Higher than 662 of 665 peers.
- Activity Percentile
- 99.5%
- Rank by Services
- 3 of 665
- Total Services
- 64,124
- Est. Allowed Value
- $315,206.96
- Dataset Year
- 2024
- Drug Code Share
- 95.8%
Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.
Peers are grouped by the broader Internal Medicine classification rather than the exact subspecialty label shown elsewhere on the page.
Drug-related HCPCS codes make up 95.8% of reported Medicare services, so the claim mix is dominated by administered-drug billing lines.
Percentile distribution
Each bar represents a 10-point percentile band of peers by total Medicare services for Internal Medicine across the Buffalo, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 11 to 94,260 total Medicare services.
Top Clinical Services
- G2211: Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
343 services | $5,419.39
- 99213: Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
326 services | $28,502.93
- 85025: Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
299 services | $2,275.39
- 36415: Insertion of needle into vein for collection of blood sample
247 services | $1,754.05
- 96365: Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less
205 services | $12,169.14
Common Drug-Related Codes
- J1439: Injection, ferric carboxymaltose, 1 mg
54,000 services | $59,040.44
- J0897: Injection, denosumab, 1 mg
5,160 services | $130,915.52
- J1100: Injection, dexamethasone sodium phosphate, 1 mg
894 services | $101.54
Full Record
- NPI
- 1043260664
- Entity Type
- Individual
- Last Name
- Zielinski
- First Name
- Robert
- Middle Name
- M
- Name Prefix
- Dr.
- Credential
- MD
- Mailing Street Address
- 425 Essjay RD Ste 170
- Mailing City
- Williamsville
- Mailing State
- NY
- Mailing ZIP Code
- 14221-5782
- Mailing Country
- US
- Mailing Phone
- (716) 630-1219
- Practice Street Address
- 295 Essjay RD
- Practice City
- Williamsville
- Practice State
- NY
- Practice ZIP Code
- 14221-8216
- Practice Country
- US
- Practice Phone
- (716) 630-1059
- Practice Fax
- (716) 630-1028
- Enumeration Date
- May 12, 2006
- Last Updated
- December 20, 2021
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- December 20, 2021
- Taxonomies
- Hematology & Oncology Physician (207RH0003X)
- Other Identifiers
- 040426001784 (NY, Fidelis), 0021748 (NY, Ghi), 01209778 (NY), 161000580 (NY, Empire), 00010194201 (NY, Univera), 110114167 (NY, Rr Medicare), 168200-4W (NY, Workers Compensation), 2403614 (NY, Iha), 000510922007 (NY, Health Now), 161000580 (NY, Nova), 161000580 (NY, North American Preferred)