ABIGAIL NISAN MD
NPI 1336445956
Internal Medicine in San Angelo, TX

Active since January 28, 2011PECOS EnrolledAccepts Medicare Assignment
95.75/100
CMS Quality Rating
120 E HARRIS AVE, SAN ANGELO, TX 76903(325) 653-6741(325) 481-2166 Get Directions Write a Review

NPPES record last updated: January 22, 2015. Verified against the NPPES registry weekly; last sync: September 20, 2026.

About Abigail Nisan Md NPPES

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

ABIGAIL NISAN MD (NPI 1336445956) is an individual internal medicine provider in San Angelo, Texas, licensed in Texas (P1676) and active in the NPI registry since January 2011. She is enrolled in Medicare PECOS, is affiliated with Shannon Medical Center, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1336445956
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameABIGAIL NISANCredential: MD
Location Address120 E HARRIS AVESan Angelo, TX 76903-5904
Mailing AddressPo Box 22000San Angelo, TX 76902-7200 · (325) 658-1511 · Fax (325) 481-2166
Fax(325) 481-2166
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJanuary 28, 2011
Last NPPES UpdateJanuary 22, 2015
NPI 1336445956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · P1676
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
120 E HARRIS AVE, San Angelo, TX 76903

Other Identifiers 1

Other8EW479TX · Bcbs

Accepted 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

Abigail Nisan 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 ID9234301698
PECOS Enrollment IDI20120322000241
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 4

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.

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.
198 services190 patients
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.
125 services73 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.
63 services30 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
51 services48 patients

Hospital Affiliations CMS Care Compare 5

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

Shannon Medical Center

Acute Care Hospitals · San Angelo, TX
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450571
Location120 E Harris Ave.San Angelo, TX 76903 · Tom Green County
Emergency services Birthing friendly

Ballinger Memorial Hospital

Critical Access Hospitals · Ballinger, TX
OwnershipGovernment - Hospital District or Authority
CMS Certification Number451310
Location608 Avenue BBallinger, TX 76821 · Runnels County
Emergency services

Lillian M Hudspeth Memorial Hospital

Critical Access Hospitals · Sonora, TX
OwnershipGovernment - Hospital District or Authority
CMS Certification Number451324
Location308 HudspethSonora, TX 76950 · Sutton County
Emergency services

Concho County Hospital

Critical Access Hospitals · Eden, TX
OwnershipGovernment - Local
CMS Certification Number451325
Location614 Eaker StreetEden, TX 76837 · Concho County
Emergency services

Heart Of Texas Memorial Hospital

Critical Access Hospitals · Brady, TX
OwnershipVoluntary non-profit - Private
CMS Certification Number451348
Location2008 Nine RoadBrady, TX 76825 · Mc Culloch County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 76903 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
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.

95.75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability95
Improvement Activities40

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%112 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Pharmacist
120 E HARRIS AVE
SAN ANGELO, TX 76903
Emergency Medicine
120 E HARRIS AVE
SAN ANGELO, TX 76903
Psychiatric Hospital
120 E HARRIS AVE
SAN ANGELO, TX 76903
Emergency Medicine
120 E HARRIS AVE
SAN ANGELO, TX 76903
Internal Medicine
120 E HARRIS AVE
SAN ANGELO, TX 76903
Hospitalist
120 E HARRIS AVE
SAN ANGELO, TX 76903
Internal Medicine
120 E HARRIS AVE
SAN ANGELO, TX 76903
Physical Therapist
120 E HARRIS AVE
SAN ANGELO, TX 76903

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 Abigail Nisan's NPI number?

The NPI number for Abigail Nisan is 1336445956. It was assigned to this individual provider in the NPPES registry on January 28, 2011.

Where is Abigail Nisan located?

Abigail Nisan practices at 120 E Harris Ave, San Angelo, TX 76903. The listed phone number is (325) 653-6741.

What is Abigail Nisan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Abigail Nisan enrolled in Medicare?

Yes. Abigail Nisan 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 Abigail Nisan accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Abigail Nisan 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 Abigail Nisan affiliated with any hospitals?

According to CMS data, Abigail Nisan is affiliated with Shannon Medical Center, Ballinger Memorial Hospital, Lillian M Hudspeth Memorial Hospital, Concho County Hospital and Heart Of Texas Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Abigail Nisan was last updated on January 22, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.