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ALYSSA KATHERINE KOBERSTEIN PA-C
NPI 1780326850
Physician Assistant in Baltimore, MD

Active since April 10, 2022PECOS EnrolledAccepts Medicare Assignment
97.12/100
CMS Quality Rating
22 S GREENE ST, BALTIMORE, MD 21201(410) 328-6110 Get Directions Write a Review

NPPES record last updated: September 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 8, 2023, Jul 15, 2022, Apr 10, 2022 (3 updates tracked since 2022).

About Alyssa Katherine Koberstein Pa-c NPPES

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

ALYSSA KATHERINE KOBERSTEIN PA-C (NPI 1780326850) is an individual physician assistant in Baltimore, Maryland, licensed in Maryland (C0009905) and active in the NPI registry since April 2022. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Other (2022).

NPPES Registry Identity

NPI1780326850
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameALYSSA KATHERINE KOBERSTEINCredential: PA-C
Location Address22 S GREENE STBaltimore, MD 21201-1544
Mailing Address22 S Greene StBaltimore, MD 21201-1544
Phone(410) 328-6110
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateApril 10, 2022
Last NPPES UpdateSeptember 24, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2025
✔ NPI 1780326850 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MD · C0009905
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
22 S GREENE ST, Baltimore, MD 21201
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

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

Alyssa Katherine Koberstein Pa-c 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 ID5698156438
PECOS Enrollment IDI20220725003295
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 2

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 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.
25 services25 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.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

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

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.

97.12/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.64
Promoting Interoperability100
Improvement Activities40

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.

DR. LEONARD ANANG SOWAH M.D.
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 706-4619
VISHAL BHATNAGAR MD
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-6110
NANCE J FOX P.A.-C
Physician Assistant (Medical)
22 S GREENE ST, G2K36
BALTIMORE, MD 21201
Baltimore City (410) 328-1170
HILARY TAMARA WOLF MD
Pediatrics (Adolescent Medicine)
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (410) 328-7373
MS. LINDSAY BREAM O'MEARA CRNP
Nurse Practitioner (Acute Care)
22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201
Baltimore City (410) 328-3365
NORA T OLIVER M.D., M.P.H.
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756
SHOSHANA JO WEINER
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Baltimore City (617) 214-1332
JENNA VANLIERE CANZONIERO M.D.
Internal Medicine
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Baltimore City (410) 328-5756

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 Alyssa Koberstein's NPI number?

The NPI number for Alyssa Koberstein is 1780326850. It was assigned to this individual provider in the NPPES registry on April 10, 2022.

Where is Alyssa Koberstein located?

Alyssa Koberstein practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-6110.

What is Alyssa Koberstein's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Alyssa Koberstein enrolled in Medicare?

Yes. Alyssa Koberstein 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.

What insurance does Alyssa Koberstein accept?

Health plans from UnitedHealthcare list Alyssa Koberstein 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 Alyssa Koberstein affiliated with any hospitals?

According to CMS data, Alyssa Koberstein is affiliated with University Of Maryland Medical Center.

When was this NPI record last updated?

The NPPES record for Alyssa Koberstein was last updated on September 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.