NPPES file of Aug 9, 2026

Mark Macumber, MD

Phlebology Physician · Meridian, ID

Mark Macumber, MD is a phlebology physician with a practice address in Meridian, Idaho, and NPI 1598805830, issued on Feb 7, 2007. Check the license with the Idaho board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598805830
Name
Mark Macumber
Credential
MD
Primary taxonomy
Phlebology Physician 202K00000X
License numbers
036-096467 IL
036096467 IL
Self-reported in NPPES; status is on the state search
Practice location
3277 E Louise Dr Ste 360, Meridian, ID 83642
Phone
(208) 600-1550
Enumerated
Feb 7, 2007
Record last updated
May 14, 2024
Fax
(208) 600-1551
Medicaid ID
036096467 IL
Medicare enrollment
Enrolled (PECOS I20050929000722); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Mark Macumber in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Idaho board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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83% fewer Medicare Part D claims than the average phlebology physician in 2024

32 Medicare Part D claims for 23 beneficiaries, against an average of 187 among the 80 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.

  1. Mark Macumber32
  2. Specialty average187

Most prescribed

  1. Eliquis18 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $4,868.32

4 payments; by number, the most common kind was food and beverage; the largest payer was AngioDynamics, Inc. The 81 providers of this specialty with any payment received $1,201.67 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Macumber$4,868.32
  2. Specialty average$1,201.67

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Advanced Vein Center, Inc.Orange, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Phlebology Physician providers in Idaho

There are 2 phlebology physician records in Idaho.

Other phlebology physician records in Idaho

  1. Elaine Constantinescu, RMA, PBT(ASCP)Salmon, ID1699463877

Common questions

What is Mark Macumber, MD's NPI number?

Mark Macumber, MD's National Provider Identifier (NPI) is 1598805830, issued on Feb 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark Macumber, MD located?

The NPPES record lists a practice address at 3277 E Louise Dr Ste 360, Meridian, ID, 83642. Phone: (208) 600-1550. Providers update this record themselves, so call before visiting.

How can I verify Mark Macumber, MD's license?

Search the Idaho board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Macumber, MD prescribe under Medicare Part D?

In 2024, Mark Macumber, MD had 32 Medicare Part D claims for 23 beneficiaries; the average among phlebology physician prescribers was 187. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.