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JOHN D BLACKMAN MD
NPI 1174694749
Internal Medicine - Endocrinology, Diabetes & Metabolism in Columbus, OH

Active since November 13, 2006PECOS Enrolled
81.3/100
CMS Quality Rating
500 E MAIN ST, STE 100, COLUMBUS, OH 43215(614) 566-9922(614) 566-8610 Get Directions Write a Review

NPPES record last updated: March 4, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 4, 2025, Dec 22, 2021, Jun 7, 2019 (3 updates tracked since 2019).

About John D Blackman Md NPPES

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

JOHN D BLACKMAN MD (NPI 1174694749) is an individual endocrinology, diabetes & metabolism provider in Columbus, Ohio, licensed in Ohio (35054974) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1174694749
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameJOHN D BLACKMANCredential: MD
Location Address500 E MAIN ST, STE 100Columbus, OH 43215-5369
Mailing Address5450 Frantz Rd Ste 360Dublin, OH 43016-4141
Phone(614) 566-9922
Fax(614) 566-8610
Sole ProprietorNo
Enumeration DateNovember 13, 2006
Last NPPES UpdateMarch 4, 20253 updates tracked since enumeration
NPPES CertifiedMarch 4, 2025
✔ NPI 1174694749 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 OH · 35054974
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.

500 E MAIN ST, Columbus, OH 43215
Open in Google Maps ↗

Other Identifiers 1

Medicaid0935573OH

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, MedMutual.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John D Blackman Md 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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
432 services192 patients
Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 95251
This procedure involves placing a small sensor under your skin to continuously monitor your blood sugar levels in tissue fluid. The data is interpreted and a report is generated to help manage your diabetes more effectively.
194 services90 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
158 services95 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
78 services69 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43215 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
$126.12 typical visit price
range $54.34 – $166.65
Typical copayment $31.53 (range $13.58 – $41.66)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.3/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.58
Promoting Interoperability98
Improvement Activities40
Cost65.77

Referred Medical Equipment & Supplies CMS DME claims 9

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
9 suppliers43 claims535 services$17.43 avg. paid by Medicare
Supplies for external insulin infusion pump, syringe type cartridge, sterile, each A4225
DME-Other DME · category DE017N
10 suppliers42 claims1,357 services$2.19 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
45 suppliers129 claims502 services$6.08 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
5 suppliers11 claims11 services$2.94 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
23 suppliers44 claims98 services$1.03 avg. paid by Medicare
External ambulatory infusion pump, insulin E0784
DME-Other DME · category DE017N
4 suppliers43 claims43 services$292.37 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 20

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

MILES EDWARD DRAKE JR., M.D.
Neuromusculoskeletal Medicine, Sports Medicine
500 E MAIN ST, SUITE 110
COLUMBUS, OH 43215
Franklin County (614) 265-8809
MRS. JANA NICOLE SHAFFER PA-C
Physician Assistant
500 E MAIN ST, SUITE 310
COLUMBUS, OH 43215
Franklin County (614) 224-4566
JENNIFER BARRETT BCBA/COBA
Behavior Analyst
500 E MAIN ST
COLUMBUS, OH 43215
Franklin County (614) 355-7570
KATHLEEN CRUSE-GRASSER LPCC-S
Counselor (Professional)
500 E MAIN ST
COLUMBUS, OH 43215
Franklin County (614) 355-6340
MALLORY HORD
Counselor (Mental Health)
500 E MAIN ST
COLUMBUS, OH 43215
Franklin County (614) 355-6300
RACHAEL GARDNER PURDY LPC, LICDC
Counselor (Addiction (Substance Use Disorder))
500 E MAIN ST
COLUMBUS, OH 43215
Franklin County (740) 438-4495
ASSOCIATES IN NEPHROLOGY AND HYPERTENSION
Internal Medicine (Nephrology)
500 E MAIN ST, SUITE 110
COLUMBUS, OH 43215
Franklin County (614) 745-8280
ALIYAH MCCONAHAY LISW
Social Worker (Clinical)
500 E MAIN ST
COLUMBUS, OH 43215
Franklin County (614) 355-6300

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 John Blackman's NPI number?

The NPI number for John Blackman is 1174694749. It was assigned to this individual provider in the NPPES registry on November 13, 2006.

Where is John Blackman located?

John Blackman practices at 500 E Main St Ste 100, Columbus, OH 43215. The listed phone number is (614) 566-9922.

What is John Blackman's specialty?

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

Is John Blackman enrolled in Medicare?

Yes. John Blackman is registered in the Medicare PECOS enrollment system.

What insurance does John Blackman accept?

Health plans from CareSource and MedMutual list John Blackman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Blackman was last updated on March 4, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.