JOHN HERBERT REES M.D.
NPI 1033199344
Radiology - Diagnostic Radiology in Baltimore, MD

Q: What is John Rees's NPI number?

The NPI number for John Rees is 1033199344. It was assigned to this individual provider in the NPPES registry on January 20, 2006.

Q: What is John Rees's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Q: When was this NPI record last updated?

The NPPES record for John Rees was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since January 20, 2006PECOS EnrolledAccepts Medicare Assignment

78.18/100

CMS Quality Rating

22 S GREENE ST RM S2A19, BALTIMORE, MD 21201(410) 328-3477(410) 328-0641 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 23, 2026, Aug 21, 2017 (2 updates tracked since 2017).

On this page

About John Herbert Rees M.d. NPPES

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

JOHN HERBERT REES M.D. (NPI 1033199344) is an individual diagnostic radiology provider in Baltimore, Maryland, licensed in Maryland (D0047894) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Uf Health Shands Hospital, and is a graduate of Georgetown University School Of Medicine (1981).

NPPES Registry Identity

NPI1033199344

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameJOHN HERBERT REESCredential: M.D.

Location Address22 S GREENE ST RM S2A19Baltimore, MD 21201-1544

Mailing Address22 S Greene St, Rms2a19Baltimore, MD 21201-1544 · (410) 328-3477 · Fax (410) 328-0641

Phone(410) 328-3477

Fax(410) 328-0641

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 1981

Enumeration DateJanuary 20, 2006

Last NPPES UpdateJuly 23, 20262 updates tracked since enumeration

NPPES CertifiedJuly 23, 2026

✔ NPI 1033199344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

Licenses✔ Licensed in MD · D0047894✔ Licensed in FL · ME73861

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X · License D0047894 (MD)

22 S GREENE ST RM S2A19, Baltimore, MD 21201

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Other Identifiers 4

Medicaid965401100MD

Medicaid021574800FL

Other42226TMedicare Ptan

Medicaid104520401MI

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

John Herbert Rees 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 ID3274517446

PECOS Enrollment IDI20080116000352, I20080124000338, I20110823000992

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

Medicare enrollment records show John Rees reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Maryland Diagnostic Imaging Specialists P A

Same address

Diagnostic Radiology

22 S GREENE ST, DEPARTMENT OF RADIOLOGY
Baltimore, MD 21201

Reassigned Medicare billing, District of Columbia, Florida and Maryland enrollments
140 clinicians in this Medicare group

NPI 1154335487 (410) 328-3477

University Imaging Center, LLC

0.1 mi

Diagnostic Radiology

419 W REDWOOD ST, SUITE 110
Baltimore, MD 21201

Reassigned Medicare billing, Maryland enrollment
122 clinicians in this Medicare group

NPI 1245245307 (410) 328-9130

University Of Maryland Diagnostic Radiology, LLC

10 mi

Diagnostic Radiology

301 HOSPITAL DR
Glen Burnie, MD 21061

Reassigned Medicare billing, Maryland enrollment
123 clinicians in this Medicare group

NPI 1548803257 (410) 787-4633

Florida Clinical Practice Association Inc

740 mi

Surgery

1600 SW ARCHER RD
Gainesville, FL 32610

Reassigned Medicare billing, Florida enrollment
3,324 clinicians in this Medicare group

NPI 1063463768 (352) 265-7922

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 36

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.

Ct scan head or brain without contrast 70450

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

603 services570 patients

Ct scan of upper spine without contrast 72125

A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.

221 services215 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

197 services187 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

177 services171 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

177 services173 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

104 services100 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

89 services85 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

63 services63 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

46 services44 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

42 services42 patients

Mri scan of upper spinal canal before and after contrast 72156

An MRI scan of the upper spinal canal before and after contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. Contrast dye is injected to enhance these images, providing clearer visuals for accurate diagnosis.

37 services37 patients

Mri scan of middle spinal canal before and after contrast 72157

An MRI scan of the middle spinal canal with contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your spine, both before and after a contrast dye is injected. The dye helps to highlight certain structures, providing a clearer picture for diagnosis.

33 services33 patients

Mri scan of brain before and after contrast 70553

32 services32 patients

Ct scan of middle spine without contrast 72128

A CT scan of the middle spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your mid-spine area. This scan helps doctors identify issues like fractures, tumors, or infections. No dye is used in this procedure.

32 services32 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

30 services30 patients

X-ray lower and sacral spine, 2-3 views bending views 72120

This procedure involves taking X-ray images of your lower and sacral spine in 2-3 different angles while you bend. It helps in assessing spinal flexibility and identifying any abnormalities or injuries. It's safe, quick, and usually painless.

28 services28 patients

Mri scan of lower spinal canal without contrast 72148

28 services28 patients

Ct scan of face with contrast 70487

A CT scan of the face with contrast is a non-invasive imaging test that uses X-rays and a contrast dye to create detailed images of your facial structures. The contrast dye helps to highlight specific areas, providing clearer images for more accurate diagnosis.

27 services27 patients

X-ray of skull, 1-3 views 70250

An X-ray of the skull involves capturing images of the bones and tissues in your head. This test helps identify issues like fractures, infections, or tumors. The '1-3 views' means pictures will be taken from one to three different angles for a comprehensive assessment.

25 services24 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

25 services25 patients

Mri scan of lower spinal canal before and after contrast 72158

An MRI scan of the lower spinal canal with contrast is a non-invasive imaging procedure. It uses magnetic fields to generate detailed images of your lower spine. A contrast agent is injected to enhance these images, helping doctors see issues more clearly.

25 services25 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

22 services22 patients

Mri scan of brain without contrast 70551

19 services19 patients

X-ray of middle spine, 2 views 72070

An X-ray of the middle spine, or thoracic spine, involves capturing two different images of the area. This non-invasive procedure uses small amounts of radiation to visualize the bones and tissues in your back, helping to identify any abnormalities or injuries.

18 services18 patients

Mri scan of middle spinal canal without contrast 72146

An MRI scan of the middle spinal canal without contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. This helps doctors identify any abnormalities or issues in your spinal canal. No dye is used in this procedure.

17 services17 patients

X-ray of chest, 1 view 71045

A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.

15 services15 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

15 services15 patients

Ct scan of face without contrast 70486

14 services14 patients

Ct scan head or brain without contrast 70450

13 services13 patients

Mri scan of bone of eye socket, face, and/or neck before and after contrast 70543

An MRI scan of the eye socket, face, and/or neck uses magnetic fields to create detailed images of these areas. Contrast dye helps highlight specific tissues for clearer pictures. It's non-invasive, aids in detecting abnormalities, and guides treatment plans.

13 services13 patients

Ct scan of cranial cavity without contrast 70480

A CT scan of the cranial cavity without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed images of your head, specifically the brain area. This can help detect conditions like tumors, infections, or injuries. No dye (contrast) is used in this procedure.

12 services12 patients

Mri scan of brain with contrast 70552

An MRI scan of the brain with contrast is a non-invasive imaging test. A dye is injected into a vein to enhance the images. The scan uses magnetic fields and radio waves to create detailed pictures of your brain, helping to identify abnormalities or diseases.

12 services12 patients

X-ray of middle and lower spine, 2 views 72080

An X-ray of the middle and lower spine, or 2-view lumbar spine X-ray, involves capturing images of your back. This helps detect issues like fractures, infections, or other abnormalities. It's painless and quick, taking only a few minutes.

12 services11 patients

X-ray of lower and sacral spine, 2-3 views 72100

12 services12 patients

Ct scan of head or brain before and after contrast 70470

A CT scan of the head or brain uses special X-ray equipment to create detailed images of your brain's structure. Before and after contrast means two scans are done. Initially, images are taken without a contrast dye. Then, a dye is given to highlight certain areas, providing a clearer picture.

11 services11 patients

X-ray of entire middle and lower spine, 4-5 views 72083

This procedure involves taking multiple images of your middle and lower spine using X-rays. These X-rays help to visualize the bones and surrounding tissues, aiding in the diagnosis of conditions such as arthritis, fractures, or disc problems. It's a quick and painless process.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Uf Health Shands Hospital

Acute Care Hospitals · Gainesville, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100113

Location1600 SW Archer RdGainesville, FL 32610 · Alachua County

Emergency services Birthing friendly

University Of Maryland Medical Center

Acute Care Hospitals · Baltimore, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210002

Location22 South Greene StreetBaltimore, MD 21201 · Baltimore City County

Emergency services Birthing friendly

University Of MD Capital Region Medical Center

Acute Care Hospitals · Upper Marlboro, MD

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number210003

Location901 North Harry S Truman DriveUpper Marlboro, MD 20774 · Prince Georges County

Emergency services Birthing friendly

University Of MD Shore Medical Ctr At Chestertown

Acute Care Hospitals · Chestertown, MD

OwnershipVoluntary non-profit - Private

CMS Certification Number210030

Location100 Brown StreetChestertown, MD 21620 · Kent County

Emergency services

University Of MD Medical Center Midtown Campus

Acute Care Hospitals · Baltimore, MD

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number210038

Location827 Linden AvenueBaltimore, MD 21201 · Baltimore City County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21201 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

$94.08 typical visit price

range $60.73 – $183.44

Typical copayment $23.52 (range $15.18 – $45.86)

Most-billed visit code 99203

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.

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.

78.18/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

72.54

Promoting Interoperability

100

Improvement Activities

Cost

54.74

Other Providers at the Same Location NPPES 11

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

DAVID E OSAYANDE MD

Radiology (Vascular & Interventional Radiology)