Gregory Spencer, MD
NPI 1194725168 · Internal Medicine Physician · Middletown, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Spencer, MD is a Internal Medicine Physician provider in Middletown, NY (NPI 1194725168).
Provider details
- NPI number
- 1194725168
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 203162 (NY)
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
1,195 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 | 249 | $137 |
| 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 | 227 | $17 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 143 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 119 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 73 | $98 |
| Blood Test, Lipids (cholesterol and Triglycerides) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 159 | 41 |
| Simvastatin | 108 | 27 |
| Lisinopril | 91 | 25 |
| Hydrochlorothiazide | 83 | 25 |
| Omeprazole | 83 | 21 |
| Atorvastatin Calcium | 78 | 24 |
| Levothyroxine Sodium | 78 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-29
- Last updated
- 2020-10-16
- Certified
- 2020-10-16
Frequently asked questions
- What is Gregory Spencer's NPI number?
- Gregory Spencer's National Provider Identifier (NPI) is 1194725168, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Spencer's specialty?
- Gregory Spencer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Spencer located?
- Gregory Spencer's practice location on file with NPPES is 155 Crystal Run Rd, Middletown, NY 10941-4028.
- What is Gregory Spencer's phone number?
- The practice phone number listed in the NPPES registry for Gregory Spencer is (845) 703-6999.
- Does Gregory Spencer accept Medicare?
- Gregory Spencer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Spencer's NPI active?
- Yes — Gregory Spencer's NPI (1194725168) is active in the NPPES registry as of the last update on 2020-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.