Mark Zumhagen, M.D.
NPI 1861506073 · Family Medicine Physician · Rolling Meadows, IL
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Zumhagen, M.D. is a Family Medicine Physician provider in Rolling Meadows, IL (NPI 1861506073).
Provider details
- NPI number
- 1861506073
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-073343 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 6 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 42 | — |
| Azithromycin | 34 | 22 |
| Lisinopril | 14 | — |
| Apixabanbrand: Eliquis | 12 | — |
| Levothyroxine Sodiumbrand: Synthroid | 12 | — |
| Lorazepam | 11 | — |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they include cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-18
- Last updated
- 2015-08-13
Frequently asked questions
- What is Mark Zumhagen's NPI number?
- Mark Zumhagen's National Provider Identifier (NPI) is 1861506073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Zumhagen's specialty?
- Mark Zumhagen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Zumhagen located?
- Mark Zumhagen's practice location on file with NPPES is 2000 Golf Rd, Rolling Meadows, IL 60008-4216.
- What is Mark Zumhagen's phone number?
- The practice phone number listed in the NPPES registry for Mark Zumhagen is (847) 981-1881.
- Does Mark Zumhagen accept Medicare?
- Mark Zumhagen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Zumhagen's NPI active?
- Yes — Mark Zumhagen's NPI (1861506073) is active in the NPPES registry as of the last update on 2015-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.