Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. GERALD ANTHONY MASTAW JR. MD
Complete NPI Record 1316993454
Anesthesiology - Pain Medicine in Land O Lakes, FL

Active since May 26, 2006PECOS EnrolledAccepts Medicare Assignment
91.77/100
CMS Quality Rating
16703 EARLY RISER AVE, LAND O LAKES, FL 34638(844) 387-2476(844) 387-2476 Get Directions

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 30, 2026, Jan 28, 2026, Feb 22, 2025 and 2 more (5 updates tracked since 2019).

Complete NPI Dataset

This page contains the complete raw NPPES record for Dr. Gerald Anthony Mastaw Jr., MD (NPI 1316993454), an individual anesthesiology provider in Land O Lakes, FL. All 47 fields on file are listed with their current values and official NPPES definitions, exactly as recorded in the National Plan and Provider Enumeration System. Only fields that contain data are included, so the number of fields shown varies from one NPI record to another.

Use the tools below to filter fields by category, search within the record, or jump straight to a specific field. You can download the full record as a CSV, JSON, Markdown or text file, or filter first and export only the fields you need. The Print Clean Summary button produces a printer-friendly copy of the record.

Registry File Document Utilities
NPI: 1316993454
Field 1/47
The 10-position all-numeric identification number assigned by the NPS to uniquely identify a health care provider. The NPI number includes an ISO standard check-digit in the 10th position. There is no intelligence about the health care provider in the number.
Entity Type Code: 1
Field 2/47
Code describing the type of health care provider that is being assigned an NPI. Codes are 1 = (Person): individual human being who furnishes health care; 2 = (Non-person): entity other than an individual human being that furnishes health care (for example, hospital, SNF, hospital subunit, pharmacy, or HMO).
Provider Last Name Legal Name: MASTAW
Field 3/47
The last name of the provider. If the provider is an individual, this is the legal name.
Provider First Name: GERALD
Field 4/47
The first name of the provider, if the provider is an individual.
Provider Middle Name: ANTHONY
Field 5/47
The middle name of the provider, if the provider is an individual.
Provider Name Prefix Text: DR.
Field 6/47
The name prefix or salutation of the provider if the provider is an individual; for example, Mr., Mrs., or Corporal.
Provider Name Suffix Text: JR.
Field 7/47
The name suffix of the provider if the provider is an individual. The name suffix is a "generation-related" suffix, such as Jr., Sr., II, III, IV, or V.
Provider Credential Text: MD
Field 8/47
The abbreviations for professional degrees or credentials used or held by the provider, if the provider is an individual. Examples are MD, DDS, CSW, CNA, AA, NP, RNA, or PSY. These credential designations will not be verified by NPS.
Provider Other Last Name: MASTAW
Field 9/47
Other last name by which the provider being identified is or has been known.
Provider Other First Name: JERRY
Field 10/47
Other first name by which the provider being identified is or has been known (if an individual). This may be the same as the "Provider first name" if the provider is or has been known by a different last name only.
Provider Other Credential Text: MD
Field 11/47
The other abbreviations for professional degrees or credentials used or held by the provider, if the provider is an individual. Examples are MD, DDS, CSW, CNA, AA, NP, RNA, or PSY. These credential designations will not be verified by NPS.
Provider Other Last Name Type Code: 5
Field 12/47
Code identifying the type of other name. Codes are: 1 = former name; 2 = professional name; 3 = doing business as (d/b/ a) name; 4 = former legal business name; 5 = other.
Provider First Line Business Mailing Address: 495 GRAND BLVD STE 206
Field 13/47
The first line mailing address of the provider being identified. This data element may contain the same information as "Provider first line location address".
Provider Business Mailing Address City Name: MIRAMAR BEACH
Field 14/47
The city name in the mailing address of the provider being identified.
Provider Business Mailing Address State Name: FL
Field 15/47
The State or Province name in the mailing address of the provider being identified. This data element may contain the same information as "Provider location address State name".
Provider Business Mailing Address Postal Code: 325501897
Field 16/47
The postal ZIP or zone code in the mailing address of the provider being identified. NOTE: ZIP code plus 4-digit extension, if available. This data element may contain the same information as "Provider location address postal code".
Provider Business Mailing Address Country Code If outside U S : US
Field 17/47
The country code in the mailing address of the provider being identified. This data element may contain the same information as "Provider location address country code".
Provider Business Mailing Address Telephone Number: 7343895832
Field 18/47
The telephone number associated with mailing address of the provider being identified. This data element may contain the same information as "Provider location address telephone number".
Provider Business Mailing Address Fax Number: 8134899562
Field 19/47
The fax number associated with the mailing address of the provider being identified. This data element may contain the same information as "Provider location address fax number".
Provider First Line Business Practice Location Address: 16703 EARLY RISER AVE
Field 20/47
The first line location address of the provider being identified. For providers with more than one physical location, this is the primary location. This address cannot include a Post Office box.
Provider Business Practice Location Address City Name: LAND O LAKES
Field 21/47
The city name in the location address of the provider being identified.
Provider Business Practice Location Address State Name: FL
Field 22/47
The State code in the location of the provider being identified.
Provider Business Practice Location Address Postal Code: 346380192
Field 23/47
The postal ZIP or zone code in the location address of the provider being identified. NOTE: ZIP code plus 4-digit extension, if available.
Provider Business Practice Location Address Country Code If outside U S : US
Field 24/47
The country code in the location address of the provider being identified.
Provider Business Practice Location Address Telephone Number: 8443872476
Field 25/47
The telephone number associated with the location address of the provider being identified.
Provider Business Practice Location Address Fax Number: 8443872476
Field 26/47
The fax number associated with the location address of the provider being identified.
Provider Gender Code: M
Field 29/47
The code designating the provider's gender if the provider is a person.
Healthcare Provider Taxonomy Code 1: 207L00000X
Field 30/47
This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 1: 4301076665
Field 31/47
The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 1: MI
Field 32/47
The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 1: N
Field 33/47
This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 2: 207LP2900X
Field 34/47
This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 2: MD38433
Field 35/47
The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 2: AL
Field 36/47
The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 2: N
Field 37/47
This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 3: 207L00000X
Field 38/47
This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 3: 200400382
Field 39/47
The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 3: NC
Field 40/47
The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 3: N
Field 41/47
This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Healthcare Provider Taxonomy Code 4: 207LP2900X
Field 42/47
This field represents the provider's taxonomy code, which classifies their type, classification, and area of specialization. This code comes from the Healthcare Provider Taxonomy Code Set maintained by the National Uniform Claim Committee (NUCC). The NPS will associate these data with the license data for providers with Entity type code = 1.
Provider License Number 4: ME 108549
Field 43/47
The license number issued to the provider being identified. The NPS can accommodate multiple license numbers for multiple specialties and for multiple States. The NPS will associate this data element with "provider taxonomy code".
Provider License Number State Code 4: FL
Field 44/47
The two-letter state code representing the U.S. state or territory that issued the provider's license. This field is linked to the Provider License Number field and identifies the jurisdiction where that license is valid. A provider may have multiple state codes if they hold licenses in more than one state.
Healthcare Provider Primary Taxonomy Switch 4: Y
Field 45/47
This field shows whether the related taxonomy code is the provider's primary specialty. It is a single-character value: "Y" indicates the taxonomy is the primary one, while "N" indicates it is not. Each provider record can have only one taxonomy code marked as primary.
Is Sole Proprietor: N
Field 46/47
Indicates whether the provider is registered as a sole proprietor. This is a single-character code: "Y" means the provider operates as a sole proprietor, and "N" means they do not.

Secondary Practice Locations 36

The first line of the secondary practice location address of the provider being identified. For providers with more than one physical location, this is a secondary practice location address. This address cannot include a Post Office box.

5547 Veterans Pkwy Fl 12
Location 1/36
Columbus, GA 31904-4484 · Phone (844) 387-2476 · Fax (844) 387-2476
3999 Commons Dr W Ste B
Location 2/36
Destin, FL 32541-8446 · Phone (844) 387-2476 · Fax (844) 387-2476
2911 TURTLE CREEK BLVD STE 925
Location 3/36
DALLAS, TX 75219-6292 · Phone (844) 387-2476 · Fax (844) 387-2476
9001 Estate Thomas Suite 102
Location 4/36
Charlotte Amalie VI, VI 00802 · Phone (844) 387-2476 · Fax (844) 387-2476
400 Renaissance Ctr
Location 5/36
Detroit, MI 48243-1502 · Phone (844) 387-2476 · Fax (844) 387-2476
3030 N Rocky Point Dr W Ste 665
Location 6/36
Tampa, FL 33607-5906 · Phone (844) 387-2476 · Fax (844) 387-2476
312 S 4th St Ste 700
Location 7/36
Louisville, KY 40202-3046 · Phone (844) 387-2476 · Fax (844) 387-2476
2411 N Oak St Ste 200
Location 8/36
Myrtle Beach, SC 29577-3164 · Phone (844) 387-2476 · Fax (844) 387-2476
424 Church St Ste 2000
Location 9/36
Nashville, TN 37219-3304 · Phone (844) 387-2476 · Fax (844) 387-2476
1320 Main St Ste 300
Location 10/36
Columbia, SC 29201-3266 · Phone (844) 387-2476 · Fax (844) 387-2476
400 W Capitol Ave Ste 1700
Location 11/36
Little Rock, AR 72201-3438 · Phone (844) 387-2476 · Fax (844) 387-2476
654 Ave Luis Munoz Rivera Ste 600
Location 12/36
San Juan, PR 00918-4123 · Phone (844) 387-2476 · Fax (844) 387-2476
7027 Old Madison Pike NW
Location 13/36
Huntsville, AL 35806-2368 · Phone (844) 387-2476 · Fax (844) 387-2476
5011 Gate Pkwy Bldg 100
Location 14/36
Jacksonville, FL 32256-0830 · Phone (844) 387-2476 · Fax (844) 387-2476
321 S Boston Ave Ste 300
Location 15/36
Tulsa, OK 74103-3311 · Phone (844) 387-2476 · Fax (844) 387-2476
1001 SW C Ave Ste 300
Location 16/36
Lawton, OK 73501-4323 · Phone (844) 387-2476 · Fax (844) 387-2476
233 N Houston Rd Ste 140
Location 17/36
Warner Robins, GA 31093-3074 · Phone (844) 387-2476 · Fax (844) 387-2476
Metro Office Park # 2
Location 18/36
Guaynabo, PR 00968-1704 · Phone (844) 387-2476 · Fax (844) 387-2476
495 Grand Blvd Ste 206
Location 19/36
Miramar Beach, FL 32550-1897 · Phone (734) 389-5832 · Fax (813) 489-9562
8909 UNIVERSITY PKWY SUITE A
Location 20/36
Pensacola, FL 32514 · Phone (844) 387-2476 · Fax (844) 387-2476
11911 N Dale Mabry Hwy
Location 21/36
Tampa, FL 33618-3507 · Phone (844) 387-2476 · Fax (844) 387-2476
4413 US Highway 331 S
Location 22/36
Defuniak Springs, FL 32435-6307 · Phone (844) 387-2476 · Fax (844) 387-2476
3340 Peachtree Rd NE Ste 1800
Location 23/36
Atlanta, GA 30326-1064 · Phone (844) 387-2476 · Fax (844) 387-2476
995 Mar Walt Dr
Location 24/36
Fort Walton Beach, FL 32547-6758 · Phone (844) 387-2476 · Fax (844) 387-2476
2333 W Hillsborough Ave Ste 120
Location 25/36
Tampa, FL 33603-1059 · Phone (844) 387-2476 · Fax (844) 387-2476
2700 Corporate Dr
Location 26/36
Birmingham, AL 35242-2732 · Phone (844) 387-2476 · Fax (844) 387-2476
6320 Venture Dr Ste 201
Location 27/36
Lakewood Ranch, FL 34202-5132 · Phone (844) 387-2476 · Fax (844) 387-2476
604 Robin Rd Ste 1
Location 28/36
Lakeland, FL 33803-4837 · Phone (844) 387-2476 · Fax (844) 387-2476
311 SE 29th Pl
Location 29/36
Ocala, FL 34471-0487 · Phone (844) 387-2476 · Fax (844) 387-2476
3760 NW 83rd St Ste 3
Location 30/36
Gainesville, FL 32606-6020 · Phone (844) 387-2476 · Fax (844) 387-2476
12202 Cortez Blvd
Location 31/36
Brooksville, FL 34613-2630 · Phone (844) 387-2476 · Fax (844) 387-2476
125 S Congress St Ste 1325
Location 32/36
Jackson, MS 39201-3301 · Phone (844) 387-2476 · Fax (844) 387-2476
1000 Belcher Rd S Ste A6
Location 33/36
Largo, FL 33771-3321 · Phone (844) 387-2476 · Fax (844) 387-2476
2202 N West Shore Blvd Ste 200
Location 34/36
Tampa, FL 33607-5749 · Phone (844) 387-2476 · Fax (844) 387-2476
701 Brickell Ave Ste 1550
Location 35/36
Miami, FL 33131-2824 · Phone (844) 387-2476 · Fax (844) 387-2476
7408 Lake Worth Rd Ste 900
Location 36/36
Lake Worth, FL 33467-2502 · Phone (844) 387-2476 · Fax (844) 387-2476
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