Doctor profile · Federal record

Dr. Katherine Markelz, DO

Internal Medicine Physician (CMS: Internal Medicine) · Florence, MA

  • NPI 1013370279
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
70 Main St
Florence, MA 010621466
(413) 586-8400
Additional location
759 Chestnut St
Springfield, MA 011071619
(413) 794-6297
fax (413) 794-1767

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
March 2, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #281432

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013370279. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
559
Distinct HCPCS
10
Medicare allowed
$39,820
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 127 87 $126
G0008 Administration of influenza virus vaccine 55 55 $34
36415 Insertion of needle into vein for collection of blood sample 47 37 $8
90662 Influenza vaccine split virus, preservative free 46 46 $59
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 43 30 $64
98929 Osteopathic manipulative treatment, 9-10 body regions 39 18 $86
99215 Established patient office or other outpatient visit, 40-54 minutes 31 22 $183
80061 Blood test, lipids (cholesterol and triglycerides) 24 23 $13
80053 Blood test, comprehensive group of blood chemicals 21 18 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 18 16 $8

In context: peer comparison

Among 1 peers in Florence Internal Medicine Physician, average services per provider: 31. This provider delivers 18× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
53
Patients
11
Total drug cost
$11,057
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 14 0 $10,724
Trazodone Hcl Generic 14 0 $120
Levothyroxine Sodium Generic 13 0 $50
Lisinopril Generic 12 11 $164

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Markelz's medical specialty?
Dr. Katherine Markelz practices Internal Medicine Physician in Florence, MA.
Where does Dr. Katherine Markelz practice?
Dr. Katherine Markelz practices at 70 Main St, Florence, MA 010621466. Office phone: 4135868400.
What is Dr. Katherine Markelz's NPI?
Dr. Katherine Markelz's National Provider Identifier (NPI) is 1013370279, issued by NPPES.
Does Dr. Katherine Markelz accept Medicare assignment?
Yes. Dr. Katherine Markelz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Markelz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Administration of influenza virus vaccine (HCPCS G0008); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.