Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. MICHAEL STEWART HAHN M.D.
NPI 1124076914
Specialist in Kingston, NY

Q: What is the provider's specialty?

The provider's specialty is Specialist with taxonomy code 174400000X.

Active since May 04, 2006PECOS Enrolled

138 PINE ST, SUITE 150, KINGSTON, NY 12401(845) 334-9933(845) 334-8796 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

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About Dr. Michael Stewart Hahn M.d. NPPES

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

DR. MICHAEL STEWART HAHN M.D. (NPI 1124076914) is an individual specialist in Kingston, New York, licensed in New York (205656) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Vassar Brothers Medical Center, and is a graduate of Virginia Commonwealth University, School Of Medicine (1992).

NPPES Registry Identity

NPI1124076914

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. MICHAEL STEWART HAHNCredential: M.D.

Location Address138 PINE ST, SUITE 150Kingston, NY 12401-4947

Mailing AddressPo Box 1127Kingston, NY 12402-1127 · (845) 334-9933 · Fax (845) 334-8796

Phone(845) 334-9933

Fax(845) 334-8796

Sole ProprietorNo

Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 1992

Enumeration DateMay 4, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1124076914 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in NY · 205656

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

138 PINE ST, Kingston, NY 12401

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael Stewart Hahn 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 ID7810801743

PECOS Enrollment IDI20031115000018

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.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

338 services100 patients

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.

258 services81 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.

109 services108 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

85 services38 patients

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.

78 services74 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

59 services33 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.

57 services56 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.

47 services47 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.

40 services39 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.

38 services38 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.

34 services34 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.

31 services30 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.

26 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

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

22 services22 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.

19 services19 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

17 services17 patients

Hospital Affiliations CMS Care Compare 3

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

Vassar Brothers Medical Center

Acute Care Hospitals · Poughkeepsie, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330023

Location45 Reade PlacePoughkeepsie, NY 12601 · Dutchess County

Emergency services Birthing friendly

Healthalliance Hospital Marys Avenue Campus

Acute Care Hospitals · Kingston, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330224

Location105 Mary's AvenueKingston, NY 12401 · Ulster County

Emergency services Birthing friendly

Ellenville Regional Hospital

Critical Access Hospitals · Ellenville, NY

OwnershipVoluntary non-profit - Private

CMS Certification Number331310

Location10 Healthy WayEllenville, NY 12428 · Ulster County

Emergency services

Other Providers at the Same Location NPPES 13

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

PINE STREET DENTAL ASSOCIATES, P.C.

Dentist (General Practice)

138 PINE ST, SUITE 210
KINGSTON, NY 12401

Ulster County (845) 338-6900

DR. CHARLES M FLIEGLER DDS

Dentist

138 PINE ST, PINE STREET DENTAL
KINGSTON, NY 12401

Ulster County (845) 339-6900

DR. LIM-YOUNG YUEN DMD

Dentist

138 PINE ST, PINE STREET DENTAL
KINGSTON, NY 12401

Ulster County (845) 338-6900

DR. NAHLA ELASHKER DDS

Dentist (General Practice)

138 PINE ST, PINE STREET DENTAL
KINGSTON, NY 12401

Ulster County (845) 338-6900

DR. THOMAS P GREENWALD DDS

Dentist

138 PINE ST, PINE STREET DENTAL
KINGSTON, NY 12401

Ulster County (845) 339-6900

DAWN KANUCH

Licensed Practical Nurse

138 PINE ST
KINGSTON, NY 12401

Ulster County (845) 331-0114

SHAMEIKA BROWN

Licensed Practical Nurse

138 PINE ST, SUITE 250
KINGSTON, NY 12401

Ulster County (845) 331-0114

MARYANN T STOKES LPN

Licensed Practical Nurse

138 PINE ST, SUITE 250
KINGSTON, NY 12401

Ulster County (845) 331-0114

DR. MICHAEL STEWART HAHN M.D.
NPI 1124076914
Specialist in Kingston, NY

About Dr. Michael Stewart Hahn M.d. NPPES

NPPES Registry Identity

Specialties & Licenses

Medicare Participation & PECOS CMS

Medicare Enrollment Status

Areas of Expertise CMS Part B claims 17

Hospital Affiliations CMS Care Compare 3

Vassar Brothers Medical Center

Healthalliance Hospital Marys Avenue Campus

Ellenville Regional Hospital

Other Providers at the Same Location NPPES 13

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