Michael Mccormack, M.D
NPI 1821018821 · Medical Oncology Physician · Hagerstown, MD
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Mccormack, M.D is a Medical Oncology Physician provider in Hagerstown, MD (NPI 1821018821).
Provider details
- NPI number
- 1821018821
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- D0041667 (MD)
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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
364 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 95 | $47 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 86 | $123 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 83 | $78 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 64 | $74 |
| Advance Care Planning, First 30 Minutes99497 | 36 | $71 |
Typical Medicare-allowed amounts for these services range $47–$123 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2015-01-23
Frequently asked questions
- What is Michael Mccormack's NPI number?
- Michael Mccormack's National Provider Identifier (NPI) is 1821018821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Mccormack's specialty?
- Michael Mccormack is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Mccormack located?
- Michael Mccormack's practice location on file with NPPES is 11110 Medical Campus Rd, Hagerstown, MD 21742-6700.
- What is Michael Mccormack's phone number?
- The practice phone number listed in the NPPES registry for Michael Mccormack is (301) 665-4731.
- Does Michael Mccormack accept Medicare?
- Michael Mccormack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Mccormack's NPI active?
- Yes — Michael Mccormack's NPI (1821018821) is active in the NPPES registry as of the last update on 2015-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.