DR. MARK STEPHEN MCTAMMANY (M.D.) – Gynecology Physician, NPI 1265434211

DR. MARK STEPHEN MCTAMMANY (M.D.) is a healthcare provider. based in Melbourne, Florida. specializing in Gynecology Physician. They hold the professional credentials M.D.. They hold a License No. ME0072191 (FL). The NPI Number for DR. MARK STEPHEN MCTAMMANY (M.D.) is 1265434211

Main info

Male
35 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARK STEPHEN MCTAMMANY (M.D.)
NPI
1265434211
Phone
(321) 344-7677
Address
1315 VALENTINE ST
Enumeration Date
2 June 2005
Last Update Date
18 May 2021

Doctor Profile

Medical School Name
GEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
3216315677
Graduation Year
1991 (35 years ago)
PAC ID
0244225589
Group Practice PAC ID
2860688728
Professional Enrollment ID
I20040416000977
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness75
Years active:21State licenses:2Digital endpointsOther names

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Provider Addresses for DR. MARK STEPHEN MCTAMMANY (M.D.)

  • 1315, Valentine Street, Melbourne, Brevard County, Florida, 32901, United States

    MELBOURNE, FL 329013127

    Phone: (321) 344-7677

    Fax: (321) 344-7678

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-04-16

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040416000977IObstetrics/GynecologyFLTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 32901)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 2860688728View full group profile

Reviews

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Frequently asked questions

How do payers reference DR. MARK STEPHEN MCTAMMANY (M.D.)?
For DR. MARK STEPHEN MCTAMMANY (M.D.), use NPI 1265434211 as the unique 10-digit identifier.
Would DR. MARK STEPHEN MCTAMMANY (M.D.) appear as active to a payer?
You can treat DR. MARK STEPHEN MCTAMMANY (M.D.) as active for directory purposes; confirm clinical privileges separately.
What clinical focus is listed for DR. MARK STEPHEN MCTAMMANY (M.D.)?
At a glance, DR. MARK STEPHEN MCTAMMANY (M.D.) is tied to Gynecology Physician. Clinical services aligned with this taxonomy classification.
Is DR. MARK STEPHEN MCTAMMANY (M.D.) located near Melbourne?
DR. MARK STEPHEN MCTAMMANY (M.D.) currently maps to Melbourne, Florida in this extract.
Does DR. MARK STEPHEN MCTAMMANY (M.D.) accept insurance?
Insurance participation is not part of the core NPI extract — call the plan or office to confirm.

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