Joan Gereg, APRN
NPI 1184685521 · Gerontology Nurse Practitioner · Danbury, CT
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Gereg, APRN is a Gerontology Nurse Practitioner provider in Danbury, CT (NPI 1184685521).
Provider details
- NPI number
- 1184685521
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- License
- 000470 (CT)
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
20 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
1,220 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 Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 534 | $98 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 284 | $98 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 227 | $140 |
| Nursing Facility Discharge Management, More Than 30 Minutes99316 | 94 | $119 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 49 | $139 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 79 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Escitalopram Oxalate | 716 | 17 |
| Pantoprazole Sodium | 495 | 41 |
| Atorvastatin Calcium | 473 | 35 |
| Apixabanbrand: Eliquis | 271 | 24 |
| Amlodipine Besylate | 262 | 27 |
| Lisinopril | 257 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joan Gereg's NPI number?
- Joan Gereg's National Provider Identifier (NPI) is 1184685521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Gereg's specialty?
- Joan Gereg is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joan Gereg located?
- Joan Gereg's practice location on file with NPPES is 69 Sand Pit Rd, Danbury, CT 06810-4004.
- What is Joan Gereg's phone number?
- The practice phone number listed in the NPPES registry for Joan Gereg is (203) 748-2551.
- Does Joan Gereg accept Medicare?
- Joan Gereg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Gereg's NPI active?
- Yes — Joan Gereg's NPI (1184685521) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.