MELISSA D ALVAREZ CRNA
NPI 1851536593
Nurse Anesthetist, Certified Registered in Philadelphia, PA

Active since December 10, 2008Accepts Medicare Assignment
85.48/100
CMS Quality Rating
51 N 39TH ST, PHILADELPHIA, PA 19104(215) 662-8244 Get Directions Write a Review

NPPES record last updated: November 7, 2025. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Melissa D Alvarez Crna NPPES

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

MELISSA D ALVAREZ CRNA (NPI 1851536593) is an individual nurse anesthetist, certified registered in Philadelphia, Pennsylvania, licensed in Pennsylvania (RN295003L) and active in the NPI registry since December 2008. She is affiliated with Penn Presbyterian Medical Center and is a graduate of Other (1988).

NPPES Registry Identity

NPI1851536593
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMELISSA D ALVAREZCredential: CRNA
Location Address51 N 39TH STPhiladelphia, PA 19104-2640
Mailing Address51 N 39th St, 266 Wright SaundersPhiladelphia, PA 19104-2640 · (215) 662-8244
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateDecember 10, 2008
Last NPPES UpdateNovember 7, 2025
NPPES CertifiedNovember 7, 2025
✔ NPI 1851536593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in PA · RN295003L
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
51 N 39TH ST, Philadelphia, PA 19104

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

Melissa D Alvarez Crna 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 ID4284796194
PECOS Enrollment IDI20081230000426

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
11 services11 patients
Anesthesia for procedure on heart and large blood vessels 00560
Anesthesia for heart and large blood vessel procedures involves using medications to block sensation, ensuring you don't feel pain during surgery. It can be general (you're asleep) or regional (part of your body is numbed). It helps ensure comfort and safety throughout the operation.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Penn Presbyterian Medical Center

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390223
Location51 North 39th StreetPhiladelphia, PA 19104 · Philadelphia County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19104 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
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
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.

85.48/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.6
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.

Internal Medicine
51 N 39TH ST
PHILADELPHIA, PA 19104
Urology
51 N 39TH ST, MOB SUITE 300
PHILADELPHIA, PA 19104
Surgery (Trauma Surgery)
51 N 39TH ST
PHILADELPHIA, PA 19104
Registered Nurse
51 N 39TH ST
PHILADELPHIA, PA 19104
Obstetrics & Gynecology (Gynecology)
51 N 39TH ST, MOB 340
PHILA, PA 19104
Internal Medicine (Cardiovascular Disease)
51 N 39TH ST, PHI BLDG STE 2C PENN PRESBYTERIAN MEDICAL CENTER
PHILADELPHIA, PA 19104
Internal Medicine
51 N 39TH ST
PHILADELPHIA, PA 19104
Family Medicine
51 N 39TH ST
PHILADELPHIA, PA 19104

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 Melissa Alvarez's NPI number?

The NPI number for Melissa Alvarez is 1851536593. It was assigned to this individual provider in the NPPES registry on December 10, 2008.

Where is Melissa Alvarez located?

Melissa Alvarez practices at 51 N 39th St, Philadelphia, PA 19104. The listed phone number is (215) 662-8244.

What is Melissa Alvarez's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Melissa Alvarez enrolled in Medicare?

Yes. Melissa Alvarez 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.

Is Melissa Alvarez affiliated with any hospitals?

According to CMS data, Melissa Alvarez is affiliated with Penn Presbyterian Medical Center.

When was this NPI record last updated?

The NPPES record for Melissa Alvarez was last updated on November 7, 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.