LEONARD R ZEMEL M.D.
NPI 1447256045
Internal Medicine - Endocrinology, Diabetes & Metabolism in Denver, CO

Active since June 28, 2005PECOS Enrolled
3464 S WILLOW ST, # 280, DENVER, CO 80231(303) 755-2900(303) 755-0404 Get Directions Write a Review

NPPES record last updated: November 13, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Leonard R Zemel M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEONARD R ZEMEL M.D. (NPI 1447256045) is an individual endocrinology, diabetes & metabolism provider in Denver, Colorado, licensed in Colorado (27647) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447256045
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameLEONARD R ZEMELCredential: M.D.
Location Address3464 S WILLOW ST, # 280Denver, CO 80231-4531
Mailing Address3865 Cherrycreek Dr N, #322Denver, CO 80209 · (303) 388-6410 · Fax (303) 388-1069
Fax(303) 755-0404
Sole ProprietorNo
Enumeration DateJune 28, 2005
Last NPPES UpdateNovember 13, 2007
NPI 1447256045 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in CO · 27647
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
3464 S WILLOW ST, Denver, CO 80231

Other Identifiers 4

Medicaid01276476CO
Medicare UPIND24978CO
Medicare PINC498468CO
OtherP00050258CO · Rr Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Leonard R Zemel M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80231 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 11

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of insulin infusion catheter, per week A4224
DME-Other DME · category DE017N
7 suppliers79 claims1,006 services$17.77 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
7 suppliers73 claims2,221 services$2.24 avg. paid by Medicare
Supply allowance for adjunctive continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service A4238
DME-Medical/Surgical Supplies · category DA000N
2 suppliers43 claims43 services$172.52 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
34 suppliers72 claims387 services$6.00 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier12 claims12 services$3.06 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
6 suppliers69 claims69 services$296.32 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dermatology
3464 S WILLOW ST, SUITE 194
DENVER, CO 80231
Internal Medicine (Cardiovascular Disease)
3464 S WILLOW ST
DENVER, CO 80231
Physical Therapist
3464 S WILLOW ST, SUITE 511
DENVER, CO 80231
Physical Therapist
3464 S WILLOW ST, SUITE 511
DENVER, CO 80231
Family Medicine
3464 S WILLOW ST, SUITE 853
DENVER, CO 80231
Internal Medicine (Infectious Disease)
3464 S WILLOW ST
DENVER, CO 80231
Occupational Therapist
3464 S WILLOW ST, SUITE 511
DENVER, CO 80231

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leonard Zemel's NPI number?

The NPI number for Leonard Zemel is 1447256045. It was assigned to this individual provider in the NPPES registry on June 28, 2005.

Where is Leonard Zemel located?

Leonard Zemel practices at 3464 S Willow St # 280, Denver, CO 80231. The listed phone number is (303) 755-2900.

What is Leonard Zemel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Leonard Zemel enrolled in Medicare?

Yes. Leonard Zemel is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Leonard Zemel was last updated on November 13, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.