Mark Fisher, MD
NPI 1447229562 · Addiction Medicine (Internal Medicine) Physician · Buffalo, NY
Mark Fisher, MD is a Addiction Medicine (Internal Medicine) Physician provider in Buffalo, NY (NPI 1447229562).
Provider details
- NPI number
- 1447229562
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 207389 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Buprenorphine Hcl | 74 |
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 69 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 32 |
| Gabapentin | 29 |
| Methadone Hcl | 23 |
| Meloxicam | 21 |
| Lithium Carbonatebrand: Lithium Carbonate Er | 20 |
| Escitalopram Oxalate | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2023-11-21
- Certified
- 2023-11-21
Frequently asked questions
- What is Mark Fisher's NPI number?
- Mark Fisher's National Provider Identifier (NPI) is 1447229562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Fisher's specialty?
- Mark Fisher is listed in the NPPES registry with a primary specialty of Addiction Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Fisher located?
- Mark Fisher's practice location on file with NPPES is 1207 Delaware Ave Ste 490, Buffalo, NY 14209-1458.
- What is Mark Fisher's phone number?
- The practice phone number listed in the NPPES registry for Mark Fisher is (716) 830-1350.
- Is Mark Fisher's NPI active?
- Yes — Mark Fisher's NPI (1447229562) is active in the NPPES registry as of the last update on 2023-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.