DR. MARK HARLOW MONTGOMERY (M.D.) – Otolaryngic Allergy Physician, NPI 1528012655

DR. MARK HARLOW MONTGOMERY (M.D.) is a healthcare provider. based in Bonita springs, Florida. specializing in Otolaryngic Allergy Physician. They hold the professional credentials M.D.. They hold a License No. ME 84347 (FL). The NPI Number for DR. MARK HARLOW MONTGOMERY (M.D.) is 1528012655

Main info

Male
Sole Proprietor
52 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARK HARLOW MONTGOMERY (M.D.)
NPI
1528012655
Phone
(239) 495-6200
Address
9240 BONITA BEACH RD
Enumeration Date
22 May 2006
Last Update Date
25 October 2023

Doctor Profile

Medical School Name
JS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY
Secondary Phone
2394956200
Graduation Year
1974 (52 years ago)
PAC ID
2567643802
Group Practice PAC ID
7618975111
Professional Enrollment ID
I20110221000396
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. MARK HARLOW MONTGOMERY (M.D.)

  • Bonita Beach Road, Bonita Landing, Bonita Springs, Lee County, Florida, United States

    SUITE 1106

    BONITA SPRINGS, FL 341354249

    Phone: (239) 495-6200

    Fax: (239) 495-6247

    Type: Mailing

  • 9240 BONITA BEACH RD SE STE 1106

    BONITA SPRINGS, FL 341354250

    Phone: (239) 495-6200

    Fax: (239) 495-6247

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 6 Open Payments records for all available years, with a total value of $2,733.

Total Amount is formed as General ($2,733) + Research ($0) + Ownership ($0) = $2,733.

Last reported payment date: 2024-12-31 • Largest payer in this snapshot: Medtronic, Inc. ($2,613).

Total Amount

$2,733

General + Research + Ownership

Payments

6

Total payment records

General Amount

$2,733

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-31

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2011-02-21

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
I20110221000396IOtolaryngologyFLTBD

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

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes527439$0
69210Removal of impacted ear wax268250$0
95117Professional service for multiple injections of allergen24141$0
95165Professional service for preparation and provision of 1 or more antigens21819$0
99203New patient office or other outpatient visit, 30-44 minutes196196$0
View full utilization report →

Insurance plans in this area (ZIP 34135)

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Provider's Procedures

DR. MARK HARLOW MONTGOMERY (M.D.) performs procedures in Otolaryngic Allergy Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OTOLARYNGOLOGYFL95117Injection of incremental dosages of allergen, 2 or more injections97268

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: 7618975111View full group profile
NameSpecialtyState
-OH
O T O L A R Y N G O L O G YFL
-FL
Qualified AudiologistFL

Reviews

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Frequently asked questions

What is the registry number for DR. MARK HARLOW MONTGOMERY (M.D.)?
The registry entry for DR. MARK HARLOW MONTGOMERY (M.D.) shows NPI 1528012655.
Quick check: is DR. MARK HARLOW MONTGOMERY (M.D.) active?
Public NPPES data shows DR. MARK HARLOW MONTGOMERY (M.D.) with an active NPI status right now.
Which specialty label fits DR. MARK HARLOW MONTGOMERY (M.D.)?
NPPES ties DR. MARK HARLOW MONTGOMERY (M.D.) to Otolaryngic Allergy Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
Is DR. MARK HARLOW MONTGOMERY (M.D.) tied to Bonita Springs, Florida?
If you are local to Bonita Springs, Florida, DR. MARK HARLOW MONTGOMERY (M.D.) may be relevant to your search.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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