National Provider Identifier
Ravi Nandan Sinha, MD
Ravi Nandan Sinha, MD is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician in Williamsville, NY and a listed phone number of (716) 857-8770.
Source: public NPPES record, last updated February 11, 2026. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1134184328
- Provider Type
- Individual
- Primary Specialty
- Endocrinology, Diabetes & Metabolism Physician
- Enumeration Date
- April 19, 2006
- Last Updated
- February 11, 2026
Practice Location
- 325 Essjay RD
- Williamsville, NY 14221-8243
Phone: (716) 857-8770
Mailing Address
- 425 Essjay RD Ste 170
- Williamsville, NY 14221-8235
Specialties
- Endocrinology, Diabetes & Metabolism Physician (207RE0101X)
- Internal Medicine Physician (207R00000X)
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Medicare Part B Activity
Reported 981 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 83rd percentile for Medicare service volume.
Higher volume than most peers.
Performs 167% more Medicare services than the peer median.
Higher than 552 of 665 peers.
- Activity Percentile
- 83.0%
- Rank by Services
- 113 of 665
- Total Services
- 981
- Est. Allowed Value
- $57,414.24
- Dataset Year
- 2024
- Drug Code Share
- 0.0%
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.
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
316 services | $4,923.73
- 99214: Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
310 services | $37,575.80
- 80053: Blood test, comprehensive group of blood chemicals
58 services | $600.30
- 84443: Blood test, thyroid stimulating hormone (tsh)
57 services | $938.22
- 83036: Hemoglobin a1c level
40 services | $380.80
Full Record
- NPI
- 1134184328
- Entity Type
- Individual
- Last Name
- Sinha
- First Name
- Ravi
- Middle Name
- Nandan
- Name Prefix
- Dr.
- Credential
- MD
- Mailing Street Address
- 425 Essjay RD Ste 170
- Mailing City
- Williamsville
- Mailing State
- NY
- Mailing ZIP Code
- 14221-8235
- Mailing Country
- US
- Mailing Phone
- (716) 630-1219
- Mailing Fax
- (716) 817-1726
- Practice Street Address
- 325 Essjay RD
- Practice City
- Williamsville
- Practice State
- NY
- Practice ZIP Code
- 14221-8243
- Practice Country
- US
- Practice Phone
- (716) 857-8770
- Practice Fax
- (716) 250-5976
- Enumeration Date
- April 19, 2006
- Last Updated
- February 11, 2026
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- February 11, 2026
- Taxonomies
- Endocrinology, Diabetes & Metabolism Physician (207RE0101X), Internal Medicine Physician (207R00000X)
- Other Identifiers
- 161000580 (NY, Empire), 000526081005 (NY, Health Now), 02067816 (NY), 00025087505 (NY, Univera), 2589275 (NY, Ghi), 0491510 (NY, Iha), 199136-3W (NY, Workers Compensation), 161000580 (NY, North American Preferred), 2591224 (NY, Nova)