DR. SIDDHARTH HARIHARAN MD
NPI 1558998294
Student in an Organized Health Care Education/Training Program in Baltimore, MD

Active since March 24, 2020PECOS EnrolledAccepts Medicare Assignment
22 S GREENE ST, BALTIMORE, MD 21201(410) 328-5959 Get Directions Write a Review

NPPES record last updated: March 24, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Siddharth Hariharan Md NPPES

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

DR. SIDDHARTH HARIHARAN MD (NPI 1558998294) is an individual student in an organized health care education/training program in Baltimore, Maryland and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Strong Memorial Hospital, and is a graduate of Virginia Commonwealth University, School Of Medicine (2020).

NPPES Registry Identity

NPI1558998294
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameDR. SIDDHARTH HARIHARANCredential: MD
Location Address22 S GREENE STBaltimore, MD 21201-1544
Mailing Address22 S Greene StBaltimore, MD 21201-1544 · (410) 328-5959
Sole ProprietorNo
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2020
Enumeration DateMarch 24, 2020
NPPES CertifiedMarch 24, 2020
✔ NPI 1558998294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
22 S GREENE ST, Baltimore, MD 21201

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. Siddharth Hariharan Md 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 ID42639502
PECOS Enrollment IDI20240611003276
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

3

Medicare enrollment records show Siddharth Hariharan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Obstetrics & Gynecology
601 ELMWOOD AVE, BOX 668
Rochester, NY 14642
  • Reassigned Medicare billing, New York enrollment
  • 182 clinicians in this Medicare group
General Acute Care Hospital
601 ELMWOOD AVE, BOX 684
Rochester, NY 14642
  • Reassigned Medicare billing, New York enrollment
  • 1,624 clinicians in this Medicare group
Obstetrics & Gynecology
990 SOUTH AVE, SUITE 103
Rochester, NY 14620
  • Reassigned Medicare billing, New York enrollment
  • 107 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.

Hospital Affiliations CMS Care Compare

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

Strong Memorial Hospital

Acute Care Hospitals · Rochester, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330285
Location601 Elmwood AveRochester, NY 14642 · Monroe County
Emergency services Birthing friendly

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.

Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201
Physician Assistant (Medical)
22 S GREENE ST, G2K36
BALTIMORE, MD 21201
Pediatrics (Adolescent Medicine)
22 S GREENE ST
BALTIMORE, MD 21201
Nurse Practitioner (Acute Care)
22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST, N3E09
BALTIMORE, MD 21201

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 Siddharth Hariharan's NPI number?

The NPI number for Siddharth Hariharan is 1558998294. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Siddharth Hariharan located?

Siddharth Hariharan practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-5959.

What is Siddharth Hariharan's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Siddharth Hariharan enrolled in Medicare?

Yes. Siddharth Hariharan 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 Siddharth Hariharan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Siddharth Hariharan reassigns Medicare benefits to 3 organizations: Strong Obstetrics-Gynecology Group (Rochester, NY), University Of Rochester (Rochester, NY) and Highlands Womens Health (Rochester, NY). 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 Siddharth Hariharan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Siddharth Hariharan affiliated with any hospitals?

According to CMS data, Siddharth Hariharan is affiliated with Strong Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Siddharth Hariharan was last updated on March 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.