Marc Spencer, M.D.
NPI 1811980733 · Family Medicine Physician · Englewood, CO
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc Spencer, M.D. is a Family Medicine Physician provider in Englewood, CO (NPI 1811980733).
Provider details
- NPI number
- 1811980733
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 37390 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,057 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 373 | $128 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 169 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 144 | $91 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 83 | $14 |
| Urinalysis, Manual Test81002 | 77 | $3 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 344 | 106 |
| Atorvastatin Calcium | 135 | 40 |
| Lisinopril | 133 | 41 |
| Levothyroxine Sodium | 128 | 42 |
| Pantoprazole Sodium | 116 | 32 |
| Metoprolol Succinate | 114 | 31 |
| Tamsulosin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,550 across 111 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-25
- Last updated
- 2007-07-09
Frequently asked questions
- What is Marc Spencer's NPI number?
- Marc Spencer's National Provider Identifier (NPI) is 1811980733, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Spencer's specialty?
- Marc Spencer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Spencer located?
- Marc Spencer's practice location on file with NPPES is 701 E Hampden Ave, Englewood, CO 80113-3879.
- What is Marc Spencer's phone number?
- The practice phone number listed in the NPPES registry for Marc Spencer is (303) 788-6490.
- Does Marc Spencer accept Medicare?
- Marc Spencer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marc Spencer's NPI active?
- Yes — Marc Spencer's NPI (1811980733) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.