George Nacos, M.D.
NPI 1235159716 · Family Medicine Physician · Washington, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Nacos, M.D. is a Family Medicine Physician provider in Washington, IA (NPI 1235159716).
Provider details
- NPI number
- 1235159716
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 29699 (IA)
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
19 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 · 196 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 839 | 148 |
| Atorvastatin Calcium | 681 | 150 |
| Amlodipine Besylate | 474 | 106 |
| Lisinopril | 407 | 89 |
| Pantoprazole Sodium | 335 | 69 |
| Furosemide | 334 | 78 |
| Tamsulosin Hcl | 322 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2014-05-06
Frequently asked questions
- What is George Nacos's NPI number?
- George Nacos's National Provider Identifier (NPI) is 1235159716, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Nacos's specialty?
- George Nacos is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is George Nacos located?
- George Nacos's practice location on file with NPPES is 1230 S Iowa Ave, Washington, IA 52353-1144.
- What is George Nacos's phone number?
- The practice phone number listed in the NPPES registry for George Nacos is (319) 653-7291.
- Does George Nacos accept Medicare?
- George Nacos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Nacos's NPI active?
- Yes — George Nacos's NPI (1235159716) is active in the NPPES registry as of the last update on 2014-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.