Andrea Gajos, NP
NPI 1477986966 · Nurse Practitioner · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrea Gajos, NP is a Nurse Practitioner provider in Ann Arbor, MI (NPI 1477986966).
Provider details
- NPI number
- 1477986966
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704266781 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 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
325 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) |
|---|---|---|
| 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 | 109 | $14 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 104 | $83 |
| Drainage of Fluid From Abdominal Cavity Using Imaging Guidance49083 | 40 | $90 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 39 | $123 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $56 |
Typical Medicare-allowed amounts for these services range $14–$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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rifaximinbrand: Xifaxan | 109 | 16 |
| Ursodiol | 72 | 28 |
| Spironolactone | 62 | 25 |
| Furosemide | 43 | 17 |
| Lactulose | 37 | 17 |
| Tacrolimus | 37 | — |
| Azathioprine | 31 | — |
| Entecavir | 31 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-08-20
- Last updated
- 2013-08-20
Frequently asked questions
- What is Andrea Gajos's NPI number?
- Andrea Gajos's National Provider Identifier (NPI) is 1477986966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrea Gajos's specialty?
- Andrea Gajos is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Andrea Gajos located?
- Andrea Gajos's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Andrea Gajos's phone number?
- The practice phone number listed in the NPPES registry for Andrea Gajos is (734) 647-5944.
- Does Andrea Gajos accept Medicare?
- Andrea Gajos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrea Gajos's NPI active?
- Yes — Andrea Gajos's NPI (1477986966) is active in the NPPES registry as of the last update on 2013-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.