Donald Gullickson, D.O.
NPI 1124080056 · Internal Medicine Physician · Buffalo, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Donald Gullickson, D.O. is a Internal Medicine Physician provider in Buffalo, NY (NPI 1124080056).
Provider details
- NPI number
- 1124080056
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 186403 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
653 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 | 272 | $121 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 118 | $15 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 59 | $123 |
| Administration of Influenza Virus VaccineG0008 | 54 | $31 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 34 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 103 | 45 |
| Levothyroxine Sodium | 58 | 25 |
| Olmesartan Medoxomil | 56 | 21 |
| Azithromycin | 56 | 50 |
| Gabapentin | 53 | 22 |
| Amlodipine Besylate | 51 | 24 |
| Lisinopril | 47 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$175 across 7 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
Registry dates
- Enumerated
- 2006-04-05
- Last updated
- 2011-07-21
Frequently asked questions
- What is Donald Gullickson's NPI number?
- Donald Gullickson's National Provider Identifier (NPI) is 1124080056, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Gullickson's specialty?
- Donald Gullickson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Gullickson located?
- Donald Gullickson's practice location on file with NPPES is 1783 Colvin Blvd, Buffalo, NY 14223-1107.
- What is Donald Gullickson's phone number?
- The practice phone number listed in the NPPES registry for Donald Gullickson is (716) 874-2150.
- Does Donald Gullickson accept Medicare?
- Donald Gullickson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Donald Gullickson's NPI active?
- Yes — Donald Gullickson's NPI (1124080056) is active in the NPPES registry as of the last update on 2011-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.