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SANDRA AHN
NPI 1164993937
Psychiatry & Neurology - Psychiatry in Baltimore, MD

Active since December 05, 2018PECOS EnrolledAccepts Medicare Assignment
600 N WOLFE ST, BALTIMORE, MD 21287(410) 955-5000 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Sandra Ahn NPPES

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

SANDRA AHN (NPI 1164993937) is an individual psychiatry provider in Baltimore, Maryland, licensed in Maryland (D0107331) and active in the NPI registry since December 2018. She is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2022).

NPPES Registry Identity

NPI1164993937
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameSANDRA AHN
Location Address600 N WOLFE STBaltimore, MD 21287-0005
Mailing Address733 N Broadway Ste 147Baltimore, MD 21205-1832
Phone(410) 955-5000
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2022
Enumeration DateDecember 5, 2018
Last NPPES UpdateJune 19, 2026
NPPES CertifiedJune 19, 2026
✔ NPI 1164993937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MD · D0107331
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
600 N WOLFE ST, Baltimore, MD 21287
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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

Sandra Ahn 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 ID9032683743
PECOS Enrollment IDI20260702004585
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 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
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
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.

Other Providers at the Same Location NPPES 20

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

PAMELA KIMZEY DONOHUE SCD, PA-C
Physician Assistant (Medical)
600 N WOLFE ST, NELSON 2-133
BALTIMORE, MD 21287
Baltimore City (410) 955-5232
MR. CHRISTOPHER DAVID SCHRIEBER M.S., PA-C
Physician Assistant
600 N WOLFE ST, MARBURG B-186
BALTIMORE, MD 21287
Baltimore City (410) 955-8708
DR. SABRINA CHRISTINE SOPHA M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-3580
SANDRA KING D.H.
Dental Hygienist
600 N WOLFE ST, BLALOCK 266
BALTIMORE, MD 21287
Baltimore City (410) 955-6662
THERESA J RUDDY C.P.N.P., CRNP
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5260
DR. SUMAN PAUL M.B.B.S, PHD
Internal Medicine (Medical Oncology)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
MS. SARAH CATHERINE COLLICA
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (443) 287-4701
JEFF S EHRESMAN
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000

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 Sandra Ahn's NPI number?

The NPI number for Sandra Ahn is 1164993937. It was assigned to this individual provider in the NPPES registry on December 5, 2018.

Where is Sandra Ahn located?

Sandra Ahn practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.

What is Sandra Ahn's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Sandra Ahn enrolled in Medicare?

Yes. Sandra Ahn 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.

When was this NPI record last updated?

The NPPES record for Sandra Ahn was last updated on June 19, 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.