Sanford Greenhouse, M.D.
NPI 1669451894 · Internal Medicine Physician · Gales Ferry, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sanford Greenhouse, M.D. is a Internal Medicine Physician provider in Gales Ferry, CT (NPI 1669451894).
Provider details
- NPI number
- 1669451894
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 020530 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
190 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 64 | $134 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 32 | $3 |
| Hemoglobin A1c Level83036 | 22 | $10 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 22 | $15 |
| Urinalysis, Manual Test81002 | 19 | $3 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 19 | $135 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 42 | 19 |
| Atorvastatin Calcium | 34 | 15 |
| Amlodipine Besylate | 25 | 12 |
| Losartan Potassium | 18 | — |
| Rosuvastatin Calcium | 15 | — |
| Escitalopram Oxalate | 14 | — |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-16
- Last updated
- 2012-11-30
Frequently asked questions
- What is Sanford Greenhouse's NPI number?
- Sanford Greenhouse's National Provider Identifier (NPI) is 1669451894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sanford Greenhouse's specialty?
- Sanford Greenhouse is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sanford Greenhouse located?
- Sanford Greenhouse's practice location on file with NPPES is 1527 Route 12, Gales Ferry, CT 06335-1800.
- What is Sanford Greenhouse's phone number?
- The practice phone number listed in the NPPES registry for Sanford Greenhouse is (860) 464-7253.
- Does Sanford Greenhouse accept Medicare?
- Sanford Greenhouse is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sanford Greenhouse's NPI active?
- Yes — Sanford Greenhouse's NPI (1669451894) is active in the NPPES registry as of the last update on 2012-11-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.