DR. DOUGLAS ALAN HOLLERN M.D.
NPI 1710332499
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Miami, FL

Active since April 29, 2016PECOS EnrolledAccepts Medicare Assignment
3641 S MIAMI AVE STE 353B, MIAMI, FL 33133(305) 783-4833 Get Directions Write a Review

NPPES record last updated: January 22, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 22, 2026, Mar 3, 2023, May 3, 2022 (3 updates tracked since 2022).

About Dr. Douglas Alan Hollern M.d. NPPES

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

DR. DOUGLAS ALAN HOLLERN M.D. (NPI 1710332499) is an individual orthopaedic surgery of the spine provider in Miami, Florida, licensed in California (A170931) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Mercy Hospital, and is a graduate of University Of Cincinnati College Of Medicine (2015).

NPPES Registry Identity

NPI1710332499
Entity TypeIndividualMale
Primary Taxonomy207XS0117X
Provider Legal NameDR. DOUGLAS ALAN HOLLERNCredential: M.D.
Location Address3641 S MIAMI AVE STE 353BMiami, FL 33133-4204
Mailing Address3641 S Miami Ave Ste 353bMiami, FL 33133-4204
Sole ProprietorYes
Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 2015
Enumeration DateApril 29, 2016
Last NPPES UpdateJanuary 22, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2026
✔ NPI 1710332499 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians
Taxonomy Code207XS0117X
Licenses✔ Licensed in CA · A170931✔ Licensed in FL · ME157588
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.
3641 S MIAMI AVE STE 353B, Miami, FL 33133

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Douglas Alan Hollern M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2365781192
PECOS Enrollment IDI20220915003031
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Douglas Hollern reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orthopaedic Surgery of the Spine
88 SW 7TH ST APT 2405
Miami, FL 33130
  • Reassigned Medicare billing, Florida enrollment
General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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.
81 services53 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
14 services14 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.
13 services11 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
12 services12 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hca Florida Mercy Hospital

Acute Care Hospitals · Miami, FL
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100167
Location3663 S Miami AveMiami, FL 33133 · Miami-Dade County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES

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

Neurological Surgery
3641 S MIAMI AVE STE 353B
MIAMI, FL 33133

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 Douglas Hollern's NPI number?

The NPI number for Douglas Hollern is 1710332499. It was assigned to this individual provider in the NPPES registry on April 29, 2016.

Where is Douglas Hollern located?

Douglas Hollern practices at 3641 S Miami Ave Ste 353B, Miami, FL 33133. The listed phone number is (305) 783-4833.

What is Douglas Hollern's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Is Douglas Hollern enrolled in Medicare?

Yes. Douglas Hollern is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Douglas Hollern's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Hollern reassigns Medicare benefits to 2 organizations: Douglas A. Hollern MD P.A (Miami, FL) and Usc Care Medical Group, Inc (Los Angeles, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Douglas Hollern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Douglas Hollern accept?

Health plans from Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Douglas Hollern 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.

Is Douglas Hollern affiliated with any hospitals?

According to CMS data, Douglas Hollern is affiliated with Hca Florida Mercy Hospital.

When was this NPI record last updated?

The NPPES record for Douglas Hollern was last updated on January 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.