Elliott Greenspan, D.O.
NPI 1003803966 · Internal Medicine Physician · Bloomfield Hills, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elliott Greenspan, D.O. is a Internal Medicine Physician provider in Bloomfield Hills, MI (NPI 1003803966).
Provider details
- NPI number
- 1003803966
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 5101005633 (MI)
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
460 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 340 | $119 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 44 | $129 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 40 | $174 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 36 | $114 |
Typical Medicare-allowed amounts for these services range $114–$174 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alprazolam | 64 | 11 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 64 | 12 |
| Zolpidem Tartrate | 50 | — |
| Atorvastatin Calcium | 47 | 18 |
| Amlodipine Besylate | 46 | 18 |
| Pregabalin | 38 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-05
- Last updated
- 2022-06-28
- Certified
- 2022-06-28
Frequently asked questions
- What is Elliott Greenspan's NPI number?
- Elliott Greenspan's National Provider Identifier (NPI) is 1003803966, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elliott Greenspan's specialty?
- Elliott Greenspan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elliott Greenspan located?
- Elliott Greenspan's practice location on file with NPPES is 6962 Spruce Hill Ct, Bloomfield Hills, MI 48301-3704.
- What is Elliott Greenspan's phone number?
- The practice phone number listed in the NPPES registry for Elliott Greenspan is (248) 245-4833.
- Does Elliott Greenspan accept Medicare?
- Elliott Greenspan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elliott Greenspan's NPI active?
- Yes — Elliott Greenspan's NPI (1003803966) is active in the NPPES registry as of the last update on 2022-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.