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)
Endpoints
- production@direct.buffalomedicalgroup.com
Direct Messaging Address | Buffalo, NY 14203
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Medicare Part B Activity
Reported 710 Medicare fee-for-service service lines in 2023.
Peer comparison
Compared to Internal Medicine providers in the Buffalo, NY metro area.
This provider is in the 76th percentile for Medicare service volume.
Higher volume than most peers.
Performs 96% more Medicare services than the peer median.
Higher than 506 of 665 peers.
- Activity Percentile
- 76.1%
- Rank by Services
- 159 of 665
- Total Services
- 710
- Est. Allowed Value
- $56,874.41
- Dataset Year
- 2023
- 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 91,321 total Medicare services.
Top Clinical Services
- 99214: Established patient office or other outpatient visit, 30-39 minutes
349 services | $42,223.17
- 80053: Blood test, comprehensive group of blood chemicals
65 services | $672.75
- 84443: Blood test, thyroid stimulating hormone (tsh)
51 services | $839.46
- 99204: New patient office or other outpatient visit, 45-59 minutes
49 services | $7,952.02
- 83036: Hemoglobin a1c level
45 services | $428.40
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
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- 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)