Physician Profile
Unclaimed ProfileAbout BLASH
Based in Fishkill, NY, Ruth Blash, MD is listed in the NPI registry under internal medicine. Medicare claims data shows Ruth provided 2,646 services to 2,215 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (845) 231-5600
- Email not available
Practice Locations
600 WESTAGE BUSINESS CTR DR
Fishkill, NY 12524
Procedures Most Often Billed to Medicare
2,646 services · 2,215 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
347 |
| Influenza vaccine, inactivated | Treatment | 90653 |
75 |
| Sarscv2 vac 30mcg trs-suc im | Treatment | 91320 |
46 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
46 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
12 |
| Pneumococcal vaccine, 23-valent | Treatment | 90732 |
11 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
307 |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
238 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
225 |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
218 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 29 related providers in 4 groups
Other internal medicines in Fishkill 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Dr. Blash specialize in?
Dr. Blash is an internal medicine in Fishkill, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Blash located?
Dr. Blash is listed at 600 WESTAGE BUSINESS CTR DR, Fishkill, NY 12524. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Blash's phone number?
The number on file is (845) 231-5600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Blash?
Dr. Blash's National Provider Identifier is 1295849545. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Blash go to medical school?
Dr. Blash attended Other, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Blash have?
Dr. Blash has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Blash do most often?
According to Medicare billing data, Dr. Blash performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine, inactivated and sarscv2 vac 30mcg trs-suc im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Blash's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Blash. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.