Matthew Karpenko, DO
NPI 1912118647 · Hematology & Oncology Physician · Salisbury, MD
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Karpenko, DO is a Hematology & Oncology Physician provider in Salisbury, MD (NPI 1912118647).
Provider details
- NPI number
- 1912118647
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 254036 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
181 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 121 | $96 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 33 | $100 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 27 | $66 |
Typical Medicare-allowed amounts for these services range $66–$100 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 40 | 13 |
| Letrozole | 39 | 14 |
| Apixabanbrand: Eliquis | 33 | — |
| Enzalutamidebrand: Xtandi | 29 | — |
| Ondansetronbrand: Ondansetron Odt | 26 | 14 |
| Oxycodone Hcl | 24 | 16 |
| Dexamethasone | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$269 across 14 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 134 Homer AveCortland, NY 13045-1206Phone: (607) 756-3500
- 5008 Brittonfield Pkwy Ste 700East Syracuse, NY 13057Phone: (315) 472-7504Fax: (315) 634-4677
Registry dates
- Enumerated
- 2007-05-24
- Last updated
- 2024-08-26
- Certified
- 2024-08-26
Frequently asked questions
- What is Matthew Karpenko's NPI number?
- Matthew Karpenko's National Provider Identifier (NPI) is 1912118647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Karpenko's specialty?
- Matthew Karpenko is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Karpenko located?
- Matthew Karpenko's practice location on file with NPPES is 100 E Carroll St, Salisbury, MD 21801-5422.
- What is Matthew Karpenko's phone number?
- The practice phone number listed in the NPPES registry for Matthew Karpenko is (410) 546-6400.
- Does Matthew Karpenko accept Medicare?
- Matthew Karpenko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Karpenko's NPI active?
- Yes — Matthew Karpenko's NPI (1912118647) is active in the NPPES registry as of the last update on 2024-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.