Doctor profile · Federal record

Dr. Ruth Blash, MD

Internal Medicine Physician (CMS: Internal Medicine) · Fishkill, NY

  • NPI 1295849545
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
600 Westage Business Ctr Dr
Fishkill, NY 125242281
(845) 231-5600
fax (845) 231-5489
Additional location
375 Windsor Hwy
New Windsor, NY 125537902
(845) 565-1771
fax (845) 565-4941
Mailing address
110 S Bedford RD
Mount Kisco, NY 105493446

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 17, 2018
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #200863
Medicaid
NY #02458244

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295849545. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,988
Distinct HCPCS
10
Medicare allowed
$119,349
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 355 254 $8
80053 Blood test, comprehensive group of blood chemicals 319 244 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 318 235 $136
84443 Blood test, thyroid stimulating hormone (tsh) 281 218 $16
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 274 222 $8
80061 Blood test, lipids (cholesterol and triglycerides) 270 210 $13
82043 Urine microalbumin (protein) level 194 163 $6
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 185 185 $137
83036 Hemoglobin a1c level 123 110 $9
G0008 Administration of influenza virus vaccine 107 106 $20

In context: peer comparison

Among 6 peers in Fishkill Internal Medicine Physician, average services per provider: 107. This provider delivers 28× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,135
Patients
783
Total drug cost
$32,865
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 340 131 $5,116
Zolpidem Tartrate Generic 182 29 $1,376
Levothyroxine Sodium Generic 179 68 $4,195
Amlodipine Besylate Generic 162 67 $1,203
Alprazolam Generic 159 51 $1,199
Losartan Potassium Generic 152 58 $2,439
Omeprazole Generic 151 55 $3,404
Lisinopril Generic 131 52 $1,070
Metoprolol Succinate Generic 117 44 $3,932
Rosuvastatin Calcium Generic 111 45 $2,816

Frequently asked questions

Auto-generated from federal data
What is Dr. Ruth Blash's medical specialty?
Dr. Ruth Blash practices Internal Medicine Physician in Fishkill, NY.
Where does Dr. Ruth Blash practice?
Dr. Ruth Blash practices at 600 Westage Business Ctr Dr, Fishkill, NY 125242281. Office phone: 8452315600.
What is Dr. Ruth Blash's NPI?
Dr. Ruth Blash's National Provider Identifier (NPI) is 1295849545, issued by NPPES.
Does Dr. Ruth Blash accept Medicare assignment?
Yes. Dr. Ruth Blash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ruth Blash commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.