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DR. RONALD LEE DIENER M.D.
NPI 1265739668
Obstetrics & Gynecology in Pikesville, MD

Active since February 21, 2011PECOS Enrolled
10 GLENCLIFFE CIR, PIKESVILLE, MD 21208(410) 296-7090(410) 296-7090 Get Directions Write a Review

NPPES record last updated: February 21, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Ronald Lee Diener M.d. NPPES

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

DR. RONALD LEE DIENER M.D. (NPI 1265739668) is an individual obstetrics & gynecology provider in Pikesville, Maryland, licensed in Maryland (D0001906) and active in the NPI registry since February 2011. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1265739668
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. RONALD LEE DIENERCredential: M.D.
Location Address10 GLENCLIFFE CIRPikesville, MD 21208-3401
Mailing Address10 Glencliffe CirPikesville, MD 21208-3401 · (410) 296-7090 · Fax (410) 296-7090
Phone(410) 296-7090
Fax(410) 296-7090
Sole ProprietorYes
Enumeration DateFebruary 21, 2011
✔ NPI 1265739668 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MD · D0001906
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
10 GLENCLIFFE CIR, Pikesville, MD 21208
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Other Identifiers 1

Medicare UPINB69989MD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ronald Lee Diener 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 21208 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Ronald Diener's NPI number?

The NPI number for Ronald Diener is 1265739668. It was assigned to this individual provider in the NPPES registry on February 21, 2011.

Where is Ronald Diener located?

Ronald Diener practices at 10 Glencliffe Cir, Pikesville, MD 21208. The listed phone number is (410) 296-7090.

What is Ronald Diener's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Ronald Diener enrolled in Medicare?

Yes. Ronald Diener is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ronald Diener was last updated on February 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.